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Add constructor arg checking to WithinAbsMatcher

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Also tests :-)
This commit is contained in:
Martin Hořeňovský 2017-12-06 15:37:13 +01:00
parent d19b7292b3
commit 0c122c135d
6 changed files with 143 additions and 7 deletions
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8
include/internal/catch_matchers_floating.cpp
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@ -79,7 +79,11 @@ namespace Catch {
namespace Matchers {
namespace Floating {
WithinAbsMatcher::WithinAbsMatcher(double target, double margin)
:m_target{ target }, m_margin{ margin } {}
:m_target{ target }, m_margin{ margin } {
if (m_margin < 0) {
throw std::domain_error("Allowed margin difference has to be >= 0");
}
}
// Performs equivalent check of std::fabs(lhs - rhs) <= margin
// But without the subtraction to allow for INFINITY in comparison
@ -95,7 +99,7 @@ namespace Floating {
WithinUlpsMatcher::WithinUlpsMatcher(double target, int ulps, FloatingPointKind baseType)
:m_target{ target }, m_ulps{ ulps }, m_type{ baseType } {
if (m_ulps < 0) {
throw std::domain_error("Expected ulp difference has to be >0");
throw std::domain_error("Allowed ulp difference has to be >= 0");
}
}

2
projects/SelfTest/Baselines/console.std.approved.txt
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@ -1054,5 +1054,5 @@ with expansion:
===============================================================================
test cases: 191 | 139 passed | 48 failed | 4 failed as expected
assertions: 955 | 831 passed | 103 failed | 21 failed as expected
assertions: 963 | 839 passed | 103 failed | 21 failed as expected

48
projects/SelfTest/Baselines/console.sw.approved.txt
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@ -1872,6 +1872,29 @@ PASSED:
with expansion:
nanf not ( is within 100.0 of nan or is within 123 ULPs of nanf )
-------------------------------------------------------------------------------
Floating point matchers: double
Constructor validation
-------------------------------------------------------------------------------
Matchers.tests.cpp:<line number>
...............................................................................
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_NOTHROW( WithinAbs(1., 0.) )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_THROWS_AS( WithinAbs(1., -1.), std::domain_error )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_NOTHROW( WithinULP(1., 0) )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_THROWS_AS( WithinULP(1., -1), std::domain_error )
-------------------------------------------------------------------------------
Floating point matchers: float
Margin
@ -1989,6 +2012,29 @@ PASSED:
with expansion:
nanf not ( is within 100.0 of nan or is within 123 ULPs of nanf )
-------------------------------------------------------------------------------
Floating point matchers: float
Constructor validation
-------------------------------------------------------------------------------
Matchers.tests.cpp:<line number>
...............................................................................
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_NOTHROW( WithinAbs(1.f, 0.f) )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_THROWS_AS( WithinAbs(1.f, -1.f), std::domain_error )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_NOTHROW( WithinULP(1.f, 0) )
Matchers.tests.cpp:<line number>:
PASSED:
REQUIRE_THROWS_AS( WithinULP(1.f, -1), std::domain_error )
-------------------------------------------------------------------------------
Greater-than inequalities with different epsilons
-------------------------------------------------------------------------------
@ -8011,5 +8057,5 @@ PASSED:
===============================================================================
test cases: 191 | 137 passed | 50 failed | 4 failed as expected
assertions: 954 | 827 passed | 106 failed | 21 failed as expected
assertions: 962 | 835 passed | 106 failed | 21 failed as expected

4
projects/SelfTest/Baselines/junit.sw.approved.txt
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@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<testsuitesloose text artifact
>
<testsuite name="<exe-name>" errors="15" failures="92" tests="955" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testsuite name="<exe-name>" errors="15" failures="92" tests="963" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testcase classname="<exe-name>.global" name="# A test name that starts with a #" time="{duration}"/>
<testcase classname="<exe-name>.global" name="#1005: Comparing pointer to int and long (NULL can be either on various systems)" time="{duration}"/>
<testcase classname="<exe-name>.global" name="#1027" time="{duration}"/>
@ -276,9 +276,11 @@ Message.tests.cpp:<line number>
<testcase classname="<exe-name>.global" name="Floating point matchers: double/Margin" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: double/ULPs" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: double/Composed" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: double/Constructor validation" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/Margin" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/ULPs" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/Composed" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Floating point matchers: float/Constructor validation" time="{duration}"/>
<testcase classname="<exe-name>.global" name="Greater-than inequalities with different epsilons" time="{duration}"/>
<testcase classname="<exe-name>.global" name="INFO and WARN do not abort tests" time="{duration}"/>
<testcase classname="<exe-name>.global" name="INFO gets logged on failure" time="{duration}">

74
projects/SelfTest/Baselines/xml.sw.approved.txt
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@ -2142,6 +2142,41 @@
</Expression>
<OverallResults successes="3" failures="0" expectedFailures="0"/>
</Section>
<Section name="Constructor validation" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Expression success="true" type="REQUIRE_NOTHROW" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinAbs(1., 0.)
</Original>
<Expanded>
WithinAbs(1., 0.)
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinAbs(1., -1.), std::domain_error
</Original>
<Expanded>
WithinAbs(1., -1.), std::domain_error
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_NOTHROW" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinULP(1., 0)
</Original>
<Expanded>
WithinULP(1., 0)
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinULP(1., -1), std::domain_error
</Original>
<Expanded>
WithinULP(1., -1), std::domain_error
</Expanded>
</Expression>
<OverallResults successes="4" failures="0" expectedFailures="0"/>
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Floating point matchers: float" tags="[floating-point][matchers]" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
@ -2282,6 +2317,41 @@
</Expression>
<OverallResults successes="3" failures="0" expectedFailures="0"/>
</Section>
<Section name="Constructor validation" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Expression success="true" type="REQUIRE_NOTHROW" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinAbs(1.f, 0.f)
</Original>
<Expanded>
WithinAbs(1.f, 0.f)
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinAbs(1.f, -1.f), std::domain_error
</Original>
<Expanded>
WithinAbs(1.f, -1.f), std::domain_error
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_NOTHROW" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinULP(1.f, 0)
</Original>
<Expanded>
WithinULP(1.f, 0)
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE_THROWS_AS" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
WithinULP(1.f, -1), std::domain_error
</Original>
<Expanded>
WithinULP(1.f, -1), std::domain_error
</Expanded>
</Expression>
<OverallResults successes="4" failures="0" expectedFailures="0"/>
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Greater-than inequalities with different epsilons" tags="[Approx]" filename="projects/<exe-name>/UsageTests/Approx.tests.cpp" >
@ -8898,7 +8968,7 @@ loose text artifact
</Section>
<OverallResult success="true"/>
</TestCase>
<OverallResults successes="827" failures="107" expectedFailures="21"/>
<OverallResults successes="835" failures="107" expectedFailures="21"/>
</Group>
<OverallResults successes="827" failures="106" expectedFailures="21"/>
<OverallResults successes="835" failures="106" expectedFailures="21"/>
</Catch>

14
projects/SelfTest/UsageTests/Matchers.tests.cpp
View File

@ -298,6 +298,13 @@ namespace { namespace MatchersTests {
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
}
SECTION("Constructor validation") {
REQUIRE_NOTHROW(WithinAbs(1.f, 0.f));
REQUIRE_THROWS_AS(WithinAbs(1.f, -1.f), std::domain_error);
REQUIRE_NOTHROW(WithinULP(1.f, 0));
REQUIRE_THROWS_AS(WithinULP(1.f, -1), std::domain_error);
}
}
TEST_CASE("Floating point matchers: double", "[matchers][floating-point]") {
@ -328,6 +335,13 @@ namespace { namespace MatchersTests {
REQUIRE_THAT(NAN, !(WithinAbs(NAN, 100) || WithinULP(NAN, 123)));
}
SECTION("Constructor validation") {
REQUIRE_NOTHROW(WithinAbs(1., 0.));
REQUIRE_THROWS_AS(WithinAbs(1., -1.), std::domain_error);
REQUIRE_NOTHROW(WithinULP(1., 0));
REQUIRE_THROWS_AS(WithinULP(1., -1), std::domain_error);
}
}
} } // namespace MatchersTests