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https://github.com/catchorg/Catch2.git
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Fix ulp distance calculation for numbers with different signs
This is a simplification of the fix proposed in #2152, with the critical function split out so that it can be tested directly, without having to go through the ULP matcher. Closes #2152
This commit is contained in:
Martin Hořeňovský
@@ -24,6 +24,8 @@ Nor would this
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:test-result: PASS #1954 - 7 arg template test case sig compiles - 1, 1, 1, 1, 1, 0, 0
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:test-result: PASS #1954 - 7 arg template test case sig compiles - 5, 1, 1, 1, 1, 0, 0
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:test-result: PASS #1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0
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:test-result: PASS #2152 - ULP checks between differently signed values were wrong - double
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:test-result: PASS #2152 - ULP checks between differently signed values were wrong - float
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:test-result: XFAIL #748 - captures with unexpected exceptions
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:test-result: PASS #809
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:test-result: PASS #833
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@@ -282,6 +284,7 @@ Message from section two
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:test-result: PASS classify_outliers
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:test-result: PASS comparisons between const int variables
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:test-result: PASS comparisons between int variables
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:test-result: PASS convertToBits
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:test-result: PASS empty tags are not allowed
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:test-result: PASS erfc_inv
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:test-result: PASS estimate_clock_resolution
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@@ -80,6 +80,10 @@ PartTracker.tests.cpp:<line number>: passed: n for: 3
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Misc.tests.cpp:<line number>: passed:
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Misc.tests.cpp:<line number>: passed:
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Misc.tests.cpp:<line number>: passed:
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Matchers.tests.cpp:<line number>: passed: smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) for: 0.0 is within 2 ULPs of -4.9406564584124654e-324 ([-1.4821969375237396e-323, 4.9406564584124654e-324])
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Matchers.tests.cpp:<line number>: passed: smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) for: 0.0 not is within 1 ULPs of -4.9406564584124654e-324 ([-9.8813129168249309e-324, -0.0000000000000000e+00])
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Matchers.tests.cpp:<line number>: passed: smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) for: 0.0f is within 2 ULPs of -1.40129846e-45f ([-4.20389539e-45, 1.40129846e-45])
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Matchers.tests.cpp:<line number>: passed: smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) for: 0.0f not is within 1 ULPs of -1.40129846e-45f ([-2.80259693e-45, -0.00000000e+00])
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Exception.tests.cpp:<line number>: failed: unexpected exception with message: 'answer := 42' with 1 message: 'expected exception'
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Exception.tests.cpp:<line number>: failed: unexpected exception with message: 'answer := 42'; expression was: thisThrows() with 1 message: 'expected exception'
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Exception.tests.cpp:<line number>: passed: thisThrows() with 1 message: 'answer := 42'
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@@ -586,6 +590,7 @@ Matchers.tests.cpp:<line number>: passed: 10.f, !WithinAbs( 11.f, 0.5f ) for: 10
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Matchers.tests.cpp:<line number>: passed: -10.f, WithinAbs( -10.f, 0.5f ) for: -10.0f is within 0.5 of -10.0
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Matchers.tests.cpp:<line number>: passed: -10.f, WithinAbs( -9.6f, 0.5f ) for: -10.0f is within 0.5 of -9.6000003815
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Matchers.tests.cpp:<line number>: passed: 1.f, WithinULP( 1.f, 0 ) for: 1.0f is within 0 ULPs of 1.00000000e+00f ([1.00000000e+00, 1.00000000e+00])
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Matchers.tests.cpp:<line number>: passed: -1.f, WithinULP( -1.f, 0 ) for: -1.0f is within 0 ULPs of -1.00000000e+00f ([-1.00000000e+00, -1.00000000e+00])
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Matchers.tests.cpp:<line number>: passed: nextafter( 1.f, 2.f ), WithinULP( 1.f, 1 ) for: 1.0f is within 1 ULPs of 1.00000000e+00f ([9.99999940e-01, 1.00000012e+00])
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Matchers.tests.cpp:<line number>: passed: 0.f, WithinULP( nextafter( 0.f, 1.f ), 1 ) for: 0.0f is within 1 ULPs of 1.40129846e-45f ([0.00000000e+00, 2.80259693e-45])
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Matchers.tests.cpp:<line number>: passed: 1.f, WithinULP( nextafter( 1.f, 0.f ), 1 ) for: 1.0f is within 1 ULPs of 9.99999940e-01f ([9.99999881e-01, 1.00000000e+00])
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@@ -2065,6 +2070,16 @@ Condition.tests.cpp:<line number>: passed: long_var == unsigned_char_var for: 1
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Condition.tests.cpp:<line number>: passed: long_var == unsigned_short_var for: 1 == 1
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Condition.tests.cpp:<line number>: passed: long_var == unsigned_int_var for: 1 == 1
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Condition.tests.cpp:<line number>: passed: long_var == unsigned_long_var for: 1 == 1
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( 0.f ) == 0 for: 0 == 0
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( -0.f ) == ( 1ULL << 31 ) for: 2147483648 (0x<hex digits>)
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==
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2147483648 (0x<hex digits>)
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( 0. ) == 0 for: 0 == 0
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( -0. ) == ( 1ULL << 63 ) for: 9223372036854775808 (0x<hex digits>)
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==
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9223372036854775808 (0x<hex digits>)
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( std::numeric_limits<float>::denorm_min() ) == 1 for: 1 == 1
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FloatingPoint.tests.cpp:<line number>: passed: convertToBits( std::numeric_limits<double>::denorm_min() ) == 1 for: 1 == 1
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Tag.tests.cpp:<line number>: passed: Catch::TestCaseInfo("", { "test with an empty tag", "[]" }, dummySourceLineInfo)
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InternalBenchmark.tests.cpp:<line number>: passed: erfc_inv(1.103560) == Approx(-0.09203687623843015) for: -0.0920368762 == Approx( -0.0920368762 )
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InternalBenchmark.tests.cpp:<line number>: passed: erfc_inv(1.067400) == Approx(-0.05980291115763361) for: -0.0598029112 == Approx( -0.0598029112 )
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@@ -1386,6 +1386,6 @@ due to unexpected exception with message:
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Why would you throw a std::string?
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===============================================================================
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test cases: 365 | 289 passed | 70 failed | 6 failed as expected
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assertions: 2092 | 1940 passed | 129 failed | 23 failed as expected
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test cases: 368 | 292 passed | 70 failed | 6 failed as expected
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assertions: 2103 | 1951 passed | 129 failed | 23 failed as expected
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@@ -744,6 +744,41 @@ Misc.tests.cpp:<line number>
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Misc.tests.cpp:<line number>: PASSED:
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-------------------------------------------------------------------------------
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#2152 - ULP checks between differently signed values were wrong - double
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-------------------------------------------------------------------------------
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Matchers.tests.cpp:<line number>
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...............................................................................
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) )
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with expansion:
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0.0 is within 2 ULPs of -4.9406564584124654e-324 ([-1.4821969375237396e-323,
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4.9406564584124654e-324])
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) )
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with expansion:
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0.0 not is within 1 ULPs of -4.9406564584124654e-324 ([-9.8813129168249309e-
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324, -0.0000000000000000e+00])
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-------------------------------------------------------------------------------
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#2152 - ULP checks between differently signed values were wrong - float
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-------------------------------------------------------------------------------
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Matchers.tests.cpp:<line number>
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...............................................................................
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) )
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with expansion:
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0.0f is within 2 ULPs of -1.40129846e-45f ([-4.20389539e-45, 1.40129846e-45])
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) )
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with expansion:
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0.0f not is within 1 ULPs of -1.40129846e-45f ([-2.80259693e-45, -0.
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00000000e+00])
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-------------------------------------------------------------------------------
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#748 - captures with unexpected exceptions
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outside assertions
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@@ -4490,6 +4525,12 @@ Matchers.tests.cpp:<line number>: PASSED:
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with expansion:
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1.0f is within 0 ULPs of 1.00000000e+00f ([1.00000000e+00, 1.00000000e+00])
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Matchers.tests.cpp:<line number>: PASSED:
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REQUIRE_THAT( -1.f, WithinULP( -1.f, 0 ) )
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with expansion:
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-1.0f is within 0 ULPs of -1.00000000e+00f ([-1.00000000e+00, -1.00000000e+
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00])
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Matchers.tests.cpp:<line number>: PASSED:
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REQUIRE_THAT( nextafter( 1.f, 2.f ), WithinULP( 1.f, 1 ) )
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with expansion:
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@@ -14597,6 +14638,46 @@ Condition.tests.cpp:<line number>: PASSED:
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with expansion:
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1 == 1
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-------------------------------------------------------------------------------
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convertToBits
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-------------------------------------------------------------------------------
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FloatingPoint.tests.cpp:<line number>
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...............................................................................
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( 0.f ) == 0 )
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with expansion:
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0 == 0
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( -0.f ) == ( 1ULL << 31 ) )
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with expansion:
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2147483648 (0x<hex digits>)
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==
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2147483648 (0x<hex digits>)
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( 0. ) == 0 )
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with expansion:
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0 == 0
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( -0. ) == ( 1ULL << 63 ) )
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with expansion:
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9223372036854775808 (0x<hex digits>)
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==
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9223372036854775808 (0x<hex digits>)
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( std::numeric_limits<float>::denorm_min() ) == 1 )
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with expansion:
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1 == 1
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FloatingPoint.tests.cpp:<line number>: PASSED:
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CHECK( convertToBits( std::numeric_limits<double>::denorm_min() ) == 1 )
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with expansion:
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1 == 1
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-------------------------------------------------------------------------------
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empty tags are not allowed
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-------------------------------------------------------------------------------
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@@ -16852,6 +16933,6 @@ Misc.tests.cpp:<line number>
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Misc.tests.cpp:<line number>: PASSED:
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===============================================================================
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test cases: 365 | 273 passed | 86 failed | 6 failed as expected
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assertions: 2109 | 1940 passed | 146 failed | 23 failed as expected
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test cases: 368 | 276 passed | 86 failed | 6 failed as expected
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assertions: 2120 | 1951 passed | 146 failed | 23 failed as expected
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@@ -744,6 +744,41 @@ Misc.tests.cpp:<line number>
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Misc.tests.cpp:<line number>: PASSED:
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-------------------------------------------------------------------------------
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#2152 - ULP checks between differently signed values were wrong - double
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-------------------------------------------------------------------------------
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Matchers.tests.cpp:<line number>
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...............................................................................
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) )
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with expansion:
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0.0 is within 2 ULPs of -4.9406564584124654e-324 ([-1.4821969375237396e-323,
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4.9406564584124654e-324])
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) )
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with expansion:
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0.0 not is within 1 ULPs of -4.9406564584124654e-324 ([-9.8813129168249309e-
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324, -0.0000000000000000e+00])
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-------------------------------------------------------------------------------
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#2152 - ULP checks between differently signed values were wrong - float
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-------------------------------------------------------------------------------
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Matchers.tests.cpp:<line number>
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...............................................................................
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) )
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with expansion:
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0.0f is within 2 ULPs of -1.40129846e-45f ([-4.20389539e-45, 1.40129846e-45])
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Matchers.tests.cpp:<line number>: PASSED:
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CHECK_THAT( smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) )
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with expansion:
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0.0f not is within 1 ULPs of -1.40129846e-45f ([-2.80259693e-45, -0.
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00000000e+00])
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-------------------------------------------------------------------------------
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#748 - captures with unexpected exceptions
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outside assertions
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@@ -924,6 +959,6 @@ Condition.tests.cpp:<line number>: FAILED:
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CHECK( true != true )
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===============================================================================
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test cases: 31 | 26 passed | 3 failed | 2 failed as expected
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assertions: 99 | 92 passed | 4 failed | 3 failed as expected
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test cases: 33 | 28 passed | 3 failed | 2 failed as expected
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assertions: 103 | 96 passed | 4 failed | 3 failed as expected
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@@ -1,7 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<testsuitesloose text artifact
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>
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<testsuite name="<exe-name>" errors="17" failures="130" tests="2110" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
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<testsuite name="<exe-name>" errors="17" failures="130" tests="2121" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
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<properties>
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<property name="filters" value="~[!nonportable]~[!benchmark]~[approvals] *"/>
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<property name="random-seed" value="1"/>
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@@ -47,6 +47,8 @@ Nor would this
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<testcase classname="<exe-name>.global" name="#1954 - 7 arg template test case sig compiles - 1, 1, 1, 1, 1, 0, 0" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="#1954 - 7 arg template test case sig compiles - 5, 1, 1, 1, 1, 0, 0" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="#1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="#2152 - ULP checks between differently signed values were wrong - double" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="#2152 - ULP checks between differently signed values were wrong - float" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="#748 - captures with unexpected exceptions/outside assertions" time="{duration}" status="run">
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<error type="TEST_CASE">
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FAILED:
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@@ -1548,6 +1550,7 @@ Misc.tests.cpp:<line number>
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<testcase classname="<exe-name>.global" name="classify_outliers/mixed" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="comparisons between const int variables" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="comparisons between int variables" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="convertToBits" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="empty tags are not allowed" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="erfc_inv" time="{duration}" status="run"/>
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<testcase classname="<exe-name>.global" name="estimate_clock_resolution" time="{duration}" status="run"/>
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@@ -77,6 +77,9 @@
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<testCase name="Process can be configured on command line/Benchmark options/warmup-time" duration="{duration}"/>
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<testCase name="Test with special, characters "in name" duration="{duration}"/>
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</file>
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<file path="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp">
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<testCase name="convertToBits" duration="{duration}"/>
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</file>
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<file path="tests/<exe-name>/IntrospectiveTests/GeneratorsImpl.tests.cpp">
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<testCase name="Generators internals/Single value" duration="{duration}"/>
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<testCase name="Generators internals/Preset values" duration="{duration}"/>
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@@ -988,6 +991,8 @@ Exception.tests.cpp:<line number>
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<testCase name="tables" duration="{duration}"/>
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</file>
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<file path="tests/<exe-name>/UsageTests/Matchers.tests.cpp">
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<testCase name="#2152 - ULP checks between differently signed values were wrong - double" duration="{duration}"/>
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<testCase name="#2152 - ULP checks between differently signed values were wrong - float" duration="{duration}"/>
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<testCase name="Arbitrary predicate matcher/Function pointer" duration="{duration}"/>
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<testCase name="Arbitrary predicate matcher/Lambdas + different type" duration="{duration}"/>
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<testCase name="Combining MatchAllOfGeneric does not nest" duration="{duration}"/>
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@@ -158,6 +158,14 @@ ok {test-number} -
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ok {test-number} -
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# #1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0
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ok {test-number} -
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# #2152 - ULP checks between differently signed values were wrong - double
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ok {test-number} - smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) for: 0.0 is within 2 ULPs of -4.9406564584124654e-324 ([-1.4821969375237396e-323, 4.9406564584124654e-324])
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# #2152 - ULP checks between differently signed values were wrong - double
|
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ok {test-number} - smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) for: 0.0 not is within 1 ULPs of -4.9406564584124654e-324 ([-9.8813129168249309e-324, -0.0000000000000000e+00])
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# #2152 - ULP checks between differently signed values were wrong - float
|
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ok {test-number} - smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) for: 0.0f is within 2 ULPs of -1.40129846e-45f ([-4.20389539e-45, 1.40129846e-45])
|
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# #2152 - ULP checks between differently signed values were wrong - float
|
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ok {test-number} - smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) for: 0.0f not is within 1 ULPs of -1.40129846e-45f ([-2.80259693e-45, -0.00000000e+00])
|
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# #748 - captures with unexpected exceptions
|
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not ok {test-number} - unexpected exception with message: 'answer := 42' with 1 message: 'expected exception'
|
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# #748 - captures with unexpected exceptions
|
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@@ -1155,6 +1163,8 @@ ok {test-number} - -10.f, WithinAbs( -9.6f, 0.5f ) for: -10.0f is within 0.5 of
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# Floating point matchers: float
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ok {test-number} - 1.f, WithinULP( 1.f, 0 ) for: 1.0f is within 0 ULPs of 1.00000000e+00f ([1.00000000e+00, 1.00000000e+00])
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# Floating point matchers: float
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ok {test-number} - -1.f, WithinULP( -1.f, 0 ) for: -1.0f is within 0 ULPs of -1.00000000e+00f ([-1.00000000e+00, -1.00000000e+00])
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# Floating point matchers: float
|
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ok {test-number} - nextafter( 1.f, 2.f ), WithinULP( 1.f, 1 ) for: 1.0f is within 1 ULPs of 1.00000000e+00f ([9.99999940e-01, 1.00000012e+00])
|
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# Floating point matchers: float
|
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ok {test-number} - 0.f, WithinULP( nextafter( 0.f, 1.f ), 1 ) for: 0.0f is within 1 ULPs of 1.40129846e-45f ([0.00000000e+00, 2.80259693e-45])
|
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@@ -3703,6 +3713,18 @@ ok {test-number} - long_var == unsigned_short_var for: 1 == 1
|
||||
ok {test-number} - long_var == unsigned_int_var for: 1 == 1
|
||||
# comparisons between int variables
|
||||
ok {test-number} - long_var == unsigned_long_var for: 1 == 1
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( 0.f ) == 0 for: 0 == 0
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( -0.f ) == ( 1ULL << 31 ) for: 2147483648 (0x<hex digits>) == 2147483648 (0x<hex digits>)
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( 0. ) == 0 for: 0 == 0
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( -0. ) == ( 1ULL << 63 ) for: 9223372036854775808 (0x<hex digits>) == 9223372036854775808 (0x<hex digits>)
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( std::numeric_limits<float>::denorm_min() ) == 1 for: 1 == 1
|
||||
# convertToBits
|
||||
ok {test-number} - convertToBits( std::numeric_limits<double>::denorm_min() ) == 1 for: 1 == 1
|
||||
# empty tags are not allowed
|
||||
ok {test-number} - Catch::TestCaseInfo("", { "test with an empty tag", "[]" }, dummySourceLineInfo)
|
||||
# erfc_inv
|
||||
@@ -4220,5 +4242,5 @@ ok {test-number} - q3 == 23. for: 23.0 == 23.0
|
||||
ok {test-number} -
|
||||
# xmlentitycheck
|
||||
ok {test-number} -
|
||||
1..2109
|
||||
1..2120
|
||||
|
||||
|
||||
@@ -50,6 +50,10 @@ Tricky.tests.cpp:<line number>|nexplicit failure with message:|n "1514"']
|
||||
##teamcity[testFinished name='#1954 - 7 arg template test case sig compiles - 5, 1, 1, 1, 1, 0, 0' duration="{duration}"]
|
||||
##teamcity[testStarted name='#1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0']
|
||||
##teamcity[testFinished name='#1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0' duration="{duration}"]
|
||||
##teamcity[testStarted name='#2152 - ULP checks between differently signed values were wrong - double']
|
||||
##teamcity[testFinished name='#2152 - ULP checks between differently signed values were wrong - double' duration="{duration}"]
|
||||
##teamcity[testStarted name='#2152 - ULP checks between differently signed values were wrong - float']
|
||||
##teamcity[testFinished name='#2152 - ULP checks between differently signed values were wrong - float' duration="{duration}"]
|
||||
##teamcity[testStarted name='#748 - captures with unexpected exceptions']
|
||||
Exception.tests.cpp:<line number>|nunexpected exception with messages:|n "answer := 42"|n "expected exception"- failure ignore as test marked as |'ok to fail|'|n']
|
||||
Exception.tests.cpp:<line number>|nunexpected exception with messages:|n "answer := 42"|n "expected exception"|n REQUIRE_NOTHROW( thisThrows() )|nwith expansion:|n thisThrows()|n- failure ignore as test marked as |'ok to fail|'|n']
|
||||
@@ -690,6 +694,8 @@ Misc.tests.cpp:<line number>|nexpression failed|n REQUIRE( testCheckedIf( false
|
||||
##teamcity[testFinished name='comparisons between const int variables' duration="{duration}"]
|
||||
##teamcity[testStarted name='comparisons between int variables']
|
||||
##teamcity[testFinished name='comparisons between int variables' duration="{duration}"]
|
||||
##teamcity[testStarted name='convertToBits']
|
||||
##teamcity[testFinished name='convertToBits' duration="{duration}"]
|
||||
##teamcity[testStarted name='empty tags are not allowed']
|
||||
##teamcity[testFinished name='empty tags are not allowed' duration="{duration}"]
|
||||
##teamcity[testStarted name='erfc_inv']
|
||||
|
||||
@@ -650,6 +650,44 @@ Nor would this
|
||||
<TestCase name="#1954 - 7 arg template test case sig compiles - 5, 3, 1, 1, 1, 0, 0" tags="[.][compilation][regression]" filename="tests/<exe-name>/UsageTests/Misc.tests.cpp" >
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<TestCase name="#2152 - ULP checks between differently signed values were wrong - double" tags="[floating-point][matchers][ulp]" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Expression success="true" type="CHECK_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
smallest_non_zero, WithinULP( -smallest_non_zero, 2 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
0.0 is within 2 ULPs of -4.9406564584124654e-324 ([-1.4821969375237396e-323, 4.9406564584124654e-324])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
smallest_non_zero, !WithinULP( -smallest_non_zero, 1 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
0.0 not is within 1 ULPs of -4.9406564584124654e-324 ([-9.8813129168249309e-324, -0.0000000000000000e+00])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<TestCase name="#2152 - ULP checks between differently signed values were wrong - float" tags="[floating-point][matchers][ulp]" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Expression success="true" type="CHECK_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
smallest_non_zero, WithinULP( -smallest_non_zero, 2 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
0.0f is within 2 ULPs of -1.40129846e-45f ([-4.20389539e-45, 1.40129846e-45])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
smallest_non_zero, !WithinULP( -smallest_non_zero, 1 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
0.0f not is within 1 ULPs of -1.40129846e-45f ([-2.80259693e-45, -0.00000000e+00])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<TestCase name="#748 - captures with unexpected exceptions" tags="[!shouldfail][!throws][.][failing]" filename="tests/<exe-name>/UsageTests/Exception.tests.cpp" >
|
||||
<Section name="outside assertions" filename="tests/<exe-name>/UsageTests/Exception.tests.cpp" >
|
||||
<Info>
|
||||
@@ -5087,6 +5125,14 @@ Nor would this
|
||||
1.0f is within 0 ULPs of 1.00000000e+00f ([1.00000000e+00, 1.00000000e+00])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
-1.f, WithinULP( -1.f, 0 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
-1.0f is within 0 ULPs of -1.00000000e+00f ([-1.00000000e+00, -1.00000000e+00])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Original>
|
||||
nextafter( 1.f, 2.f ), WithinULP( 1.f, 1 )
|
||||
@@ -5135,7 +5181,7 @@ Nor would this
|
||||
-0.0f is within 0 ULPs of 0.00000000e+00f ([0.00000000e+00, 0.00000000e+00])
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<OverallResults successes="7" failures="0" expectedFailures="0"/>
|
||||
<OverallResults successes="8" failures="0" expectedFailures="0"/>
|
||||
</Section>
|
||||
<Section name="Composed" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/UsageTests/Matchers.tests.cpp" >
|
||||
@@ -17257,6 +17303,61 @@ There is no extra whitespace here
|
||||
</Expression>
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<TestCase name="convertToBits" tags="[conversion][floating-point]" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( 0.f ) == 0
|
||||
</Original>
|
||||
<Expanded>
|
||||
0 == 0
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( -0.f ) == ( 1ULL << 31 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
2147483648 (0x<hex digits>)
|
||||
==
|
||||
2147483648 (0x<hex digits>)
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( 0. ) == 0
|
||||
</Original>
|
||||
<Expanded>
|
||||
0 == 0
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( -0. ) == ( 1ULL << 63 )
|
||||
</Original>
|
||||
<Expanded>
|
||||
9223372036854775808 (0x<hex digits>)
|
||||
==
|
||||
9223372036854775808 (0x<hex digits>)
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( std::numeric_limits<float>::denorm_min() ) == 1
|
||||
</Original>
|
||||
<Expanded>
|
||||
1 == 1
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<Expression success="true" type="CHECK" filename="tests/<exe-name>/IntrospectiveTests/FloatingPoint.tests.cpp" >
|
||||
<Original>
|
||||
convertToBits( std::numeric_limits<double>::denorm_min() ) == 1
|
||||
</Original>
|
||||
<Expanded>
|
||||
1 == 1
|
||||
</Expanded>
|
||||
</Expression>
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<TestCase name="empty tags are not allowed" tags="[tags]" filename="tests/<exe-name>/IntrospectiveTests/Tag.tests.cpp" >
|
||||
<Expression success="true" type="REQUIRE_THROWS" filename="tests/<exe-name>/IntrospectiveTests/Tag.tests.cpp" >
|
||||
<Original>
|
||||
@@ -19826,9 +19927,9 @@ loose text artifact
|
||||
</Section>
|
||||
<OverallResult success="true"/>
|
||||
</TestCase>
|
||||
<OverallResults successes="1940" failures="147" expectedFailures="23"/>
|
||||
<OverallResultsCases successes="273" failures="86" expectedFailures="6"/>
|
||||
<OverallResults successes="1951" failures="147" expectedFailures="23"/>
|
||||
<OverallResultsCases successes="276" failures="86" expectedFailures="6"/>
|
||||
</Group>
|
||||
<OverallResults successes="1940" failures="146" expectedFailures="23"/>
|
||||
<OverallResultsCases successes="273" failures="86" expectedFailures="6"/>
|
||||
<OverallResults successes="1951" failures="146" expectedFailures="23"/>
|
||||
<OverallResultsCases successes="276" failures="86" expectedFailures="6"/>
|
||||
</Catch>
|
||||
|
||||
66
tests/SelfTest/IntrospectiveTests/FloatingPoint.tests.cpp
Normal file
66
tests/SelfTest/IntrospectiveTests/FloatingPoint.tests.cpp
Normal file
@@ -0,0 +1,66 @@
|
||||
#include <catch2/catch_test_macros.hpp>
|
||||
#include <catch2/catch_template_test_macros.hpp>
|
||||
#include <catch2/internal/catch_floating_point_helpers.hpp>
|
||||
|
||||
|
||||
TEST_CASE("convertToBits", "[floating-point][conversion]") {
|
||||
using Catch::Detail::convertToBits;
|
||||
|
||||
CHECK( convertToBits( 0.f ) == 0 );
|
||||
CHECK( convertToBits( -0.f ) == ( 1ULL << 31 ) );
|
||||
CHECK( convertToBits( 0. ) == 0 );
|
||||
CHECK( convertToBits( -0. ) == ( 1ULL << 63 ) );
|
||||
CHECK( convertToBits( std::numeric_limits<float>::denorm_min() ) == 1 );
|
||||
CHECK( convertToBits( std::numeric_limits<double>::denorm_min() ) == 1 );
|
||||
}
|
||||
|
||||
TEMPLATE_TEST_CASE("type-shared ulpDistance tests", "[floating-point][ulp][approvals]", float, double) {
|
||||
using FP = TestType;
|
||||
using Catch::ulpDistance;
|
||||
|
||||
// Distance between zeros is zero
|
||||
CHECK( ulpDistance( FP{}, FP{} ) == 0 );
|
||||
CHECK( ulpDistance( FP{}, -FP{} ) == 0 );
|
||||
CHECK( ulpDistance( -FP{}, -FP{} ) == 0 );
|
||||
|
||||
// Distance between same-sign infinities is zero
|
||||
static constexpr FP infinity = std::numeric_limits<FP>::infinity();
|
||||
CHECK( ulpDistance( infinity, infinity ) == 0 );
|
||||
CHECK( ulpDistance( -infinity, -infinity ) == 0 );
|
||||
|
||||
// Distance between max-finite-val and same sign infinity is 1
|
||||
static constexpr FP max_finite = std::numeric_limits<FP>::max();
|
||||
CHECK( ulpDistance( max_finite, infinity ) == 1 );
|
||||
CHECK( ulpDistance( -max_finite, -infinity ) == 1 );
|
||||
|
||||
// Distance between X and 0 is half of distance between X and -X
|
||||
CHECK( ulpDistance( -infinity, infinity ) ==
|
||||
2 * ulpDistance( infinity, FP{} ) );
|
||||
CHECK( 2 * ulpDistance( FP{ -2. }, FP{} ) ==
|
||||
ulpDistance( FP{ -2. }, FP{ 2. } ) );
|
||||
CHECK( 2 * ulpDistance( FP{ 2. }, FP{} ) ==
|
||||
ulpDistance( FP{ -2. }, FP{ 2. } ) );
|
||||
|
||||
// Denorms are supported
|
||||
CHECK( ulpDistance( std::numeric_limits<FP>::denorm_min(), FP{} ) == 1 );
|
||||
CHECK( ulpDistance( std::numeric_limits<FP>::denorm_min(), -FP{} ) == 1 );
|
||||
CHECK( ulpDistance( -std::numeric_limits<FP>::denorm_min(), FP{} ) == 1 );
|
||||
CHECK( ulpDistance( -std::numeric_limits<FP>::denorm_min(), -FP{} ) == 1 );
|
||||
CHECK( ulpDistance( std::numeric_limits<FP>::denorm_min(),
|
||||
-std::numeric_limits<FP>::denorm_min() ) == 2 );
|
||||
|
||||
// Machine epsilon
|
||||
CHECK( ulpDistance( FP{ 1. },
|
||||
FP{ 1. } + std::numeric_limits<FP>::epsilon() ) == 1 );
|
||||
CHECK( ulpDistance( -FP{ 1. },
|
||||
-FP{ 1. } - std::numeric_limits<FP>::epsilon() ) == 1 );
|
||||
}
|
||||
|
||||
TEST_CASE("UlpDistance", "[floating-point][ulp][approvals]") {
|
||||
using Catch::ulpDistance;
|
||||
|
||||
CHECK( ulpDistance( 1., 2. ) == 0x10'00'00'00'00'00'00 );
|
||||
CHECK( ulpDistance( -2., 2. ) == 0x80'00'00'00'00'00'00'00 );
|
||||
CHECK( ulpDistance( 1.f, 2.f ) == 0x80'00'00 );
|
||||
CHECK( ulpDistance( -2.f, 2.f ) == 0x80'00'00'00 );
|
||||
}
|
||||
@@ -4,6 +4,7 @@
|
||||
*/
|
||||
|
||||
#include <catch2/catch_test_macros.hpp>
|
||||
#include <catch2/catch_template_test_macros.hpp>
|
||||
#include <catch2/matchers/catch_matchers_exception.hpp>
|
||||
#include <catch2/matchers/catch_matchers_floating_point.hpp>
|
||||
#include <catch2/matchers/catch_matchers_predicate.hpp>
|
||||
@@ -465,6 +466,7 @@ TEST_CASE( "Floating point matchers: float", "[matchers][floating-point]" ) {
|
||||
}
|
||||
SECTION( "ULPs" ) {
|
||||
REQUIRE_THAT( 1.f, WithinULP( 1.f, 0 ) );
|
||||
REQUIRE_THAT(-1.f, WithinULP( -1.f, 0 ) );
|
||||
|
||||
REQUIRE_THAT( nextafter( 1.f, 2.f ), WithinULP( 1.f, 1 ) );
|
||||
REQUIRE_THAT( 0.f, WithinULP( nextafter( 0.f, 1.f ), 1 ) );
|
||||
@@ -1081,3 +1083,17 @@ TEST_CASE( "Matchers can take references",
|
||||
#ifdef __clang__
|
||||
# pragma clang diagnostic pop
|
||||
#endif
|
||||
|
||||
TEMPLATE_TEST_CASE(
|
||||
"#2152 - ULP checks between differently signed values were wrong",
|
||||
"[matchers][floating-point][ulp]",
|
||||
float,
|
||||
double ) {
|
||||
using Catch::Matchers::WithinULP;
|
||||
|
||||
static constexpr TestType smallest_non_zero =
|
||||
std::numeric_limits<TestType>::denorm_min();
|
||||
|
||||
CHECK_THAT( smallest_non_zero, WithinULP( -smallest_non_zero, 2 ) );
|
||||
CHECK_THAT( smallest_non_zero, !WithinULP( -smallest_non_zero, 1 ) );
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user