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Add explicit test for shortcircuiting behaviour of combined matchers

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Martin Hořeňovský 2020-06-14 21:48:08 +02:00
parent 288416f501
commit 1806b21545
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7 changed files with 159 additions and 7 deletions
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6
projects/SelfTest/Baselines/compact.sw.approved.txt
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@ -335,6 +335,12 @@ Condition.tests.cpp:<line number>: passed: 6 == uc for: 6 == 6
Condition.tests.cpp:<line number>: passed: (std::numeric_limits<uint32_t>::max)() > ul for: 4294967295 (0x<hex digits>) > 4
Matchers.tests.cpp:<line number>: passed: testStringForMatching2(), !composed1 for: "some completely different text that contains one common word" not ( contains: "string" or contains: "random" )
Matchers.tests.cpp:<line number>: passed: testStringForMatching2(), composed2 for: "some completely different text that contains one common word" ( contains: "string" or contains: "random" or contains: "different" )
Matchers.tests.cpp:<line number>: passed: 1, !(first && second) for: 1 not ( CheckedTestingMatcher set to fail and CheckedTestingMatcher set to fail )
Matchers.tests.cpp:<line number>: passed: first.matchCalled for: true
Matchers.tests.cpp:<line number>: passed: !second.matchCalled for: true
Matchers.tests.cpp:<line number>: passed: 1, first || second for: 1 ( CheckedTestingMatcher set to succeed or CheckedTestingMatcher set to fail )
Matchers.tests.cpp:<line number>: passed: first.matchCalled for: true
Matchers.tests.cpp:<line number>: passed: !second.matchCalled for: true
Matchers.tests.cpp:<line number>: failed: testStringForMatching(), Contains("not there", Catch::CaseSensitive::No) for: "this string contains 'abc' as a substring" contains: "not there" (case insensitive)
Matchers.tests.cpp:<line number>: failed: testStringForMatching(), Contains("STRING") for: "this string contains 'abc' as a substring" contains: "STRING"
Generators.tests.cpp:<line number>: passed: elem % 2 == 1 for: 1 == 1

4
projects/SelfTest/Baselines/console.std.approved.txt
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@ -1380,6 +1380,6 @@ due to unexpected exception with message:
Why would you throw a std::string?
===============================================================================
test cases: 315 | 241 passed | 70 failed | 4 failed as expected
assertions: 1710 | 1558 passed | 131 failed | 21 failed as expected
test cases: 316 | 242 passed | 70 failed | 4 failed as expected
assertions: 1716 | 1564 passed | 131 failed | 21 failed as expected

50
projects/SelfTest/Baselines/console.sw.approved.txt
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@ -2584,6 +2584,52 @@ with expansion:
"some completely different text that contains one common word" ( contains:
"string" or contains: "random" or contains: "different" )
-------------------------------------------------------------------------------
Composed matchers shortcircuit
&&
-------------------------------------------------------------------------------
Matchers.tests.cpp:<line number>
...............................................................................
Matchers.tests.cpp:<line number>: PASSED:
CHECK_THAT( 1, !(first && second) )
with expansion:
1 not ( CheckedTestingMatcher set to fail and CheckedTestingMatcher set to
fail )
Matchers.tests.cpp:<line number>: PASSED:
REQUIRE( first.matchCalled )
with expansion:
true
Matchers.tests.cpp:<line number>: PASSED:
REQUIRE( !second.matchCalled )
with expansion:
true
-------------------------------------------------------------------------------
Composed matchers shortcircuit
||
-------------------------------------------------------------------------------
Matchers.tests.cpp:<line number>
...............................................................................
Matchers.tests.cpp:<line number>: PASSED:
CHECK_THAT( 1, first || second )
with expansion:
1 ( CheckedTestingMatcher set to succeed or CheckedTestingMatcher set to fail
)
Matchers.tests.cpp:<line number>: PASSED:
REQUIRE( first.matchCalled )
with expansion:
true
Matchers.tests.cpp:<line number>: PASSED:
REQUIRE( !second.matchCalled )
with expansion:
true
-------------------------------------------------------------------------------
Contains string matcher
-------------------------------------------------------------------------------
@ -13663,6 +13709,6 @@ Misc.tests.cpp:<line number>
Misc.tests.cpp:<line number>: PASSED:
===============================================================================
test cases: 315 | 225 passed | 86 failed | 4 failed as expected
assertions: 1727 | 1558 passed | 148 failed | 21 failed as expected
test cases: 316 | 226 passed | 86 failed | 4 failed as expected
assertions: 1733 | 1564 passed | 148 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="17" failures="132" tests="1728" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<testsuite name="<exe-name>" errors="17" failures="132" tests="1734" hostname="tbd" time="{duration}" timestamp="{iso8601-timestamp}">
<properties>
<property name="filters" value="~[!nonportable]~[!benchmark]~[approvals]"/>
<property name="random-seed" value="1"/>
@ -366,6 +366,8 @@ Exception.tests.cpp:<line number>
<testcase classname="<exe-name>.global" name="Comparisons between unsigned ints and negative signed ints match c++ standard behaviour" time="{duration}" status="run"/>
<testcase classname="<exe-name>.global" name="Comparisons with int literals don't warn when mixing signed/ unsigned" time="{duration}" status="run"/>
<testcase classname="<exe-name>.global" name="Composed matchers are distinct" time="{duration}" status="run"/>
<testcase classname="<exe-name>.global" name="Composed matchers shortcircuit/&amp;&amp;" time="{duration}" status="run"/>
<testcase classname="<exe-name>.global" name="Composed matchers shortcircuit/||" time="{duration}" status="run"/>
<testcase classname="<exe-name>.global" name="Contains string matcher" time="{duration}" status="run">
<failure message="testStringForMatching(), Contains(&quot;not there&quot;, Catch::CaseSensitive::No)" type="CHECK_THAT">
FAILED:

2
projects/SelfTest/Baselines/sonarqube.sw.approved.txt
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@ -902,6 +902,8 @@ Exception.tests.cpp:<line number>
<testCase name="Arbitrary predicate matcher/Function pointer" duration="{duration}"/>
<testCase name="Arbitrary predicate matcher/Lambdas + different type" duration="{duration}"/>
<testCase name="Composed matchers are distinct" duration="{duration}"/>
<testCase name="Composed matchers shortcircuit/&amp;&amp;" duration="{duration}"/>
<testCase name="Composed matchers shortcircuit/||" duration="{duration}"/>
<testCase name="Contains string matcher" duration="{duration}">
<failure message="CHECK_THAT(testStringForMatching(), Contains(&quot;not there&quot;, Catch::CaseSensitive::No))">
FAILED:

61
projects/SelfTest/Baselines/xml.sw.approved.txt
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@ -3025,6 +3025,63 @@ Nor would this
</Expression>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Composed matchers shortcircuit" tags="[composed][matchers]" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Section name="&amp;&amp;" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Expression success="true" type="CHECK_THAT" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
1, !(first &amp;&amp; second)
</Original>
<Expanded>
1 not ( CheckedTestingMatcher set to fail and CheckedTestingMatcher set to fail )
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
first.matchCalled
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
!second.matchCalled
</Original>
<Expanded>
true
</Expanded>
</Expression>
<OverallResults successes="3" failures="0" expectedFailures="0"/>
</Section>
<Section name="||" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Expression success="true" type="CHECK_THAT" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
1, first || second
</Original>
<Expanded>
1 ( CheckedTestingMatcher set to succeed or CheckedTestingMatcher set to fail )
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
first.matchCalled
</Original>
<Expanded>
true
</Expanded>
</Expression>
<Expression success="true" type="REQUIRE" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
!second.matchCalled
</Original>
<Expanded>
true
</Expanded>
</Expression>
<OverallResults successes="3" failures="0" expectedFailures="0"/>
</Section>
<OverallResult success="true"/>
</TestCase>
<TestCase name="Contains string matcher" tags="[!hide][.][failing][matchers]" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Expression success="false" type="CHECK_THAT" filename="projects/<exe-name>/UsageTests/Matchers.tests.cpp" >
<Original>
@ -16318,7 +16375,7 @@ loose text artifact
</Section>
<OverallResult success="true"/>
</TestCase>
<OverallResults successes="1558" failures="149" expectedFailures="21"/>
<OverallResults successes="1564" failures="149" expectedFailures="21"/>
</Group>
<OverallResults successes="1558" failures="148" expectedFailures="21"/>
<OverallResults successes="1564" failures="148" expectedFailures="21"/>
</Catch>

39
projects/SelfTest/UsageTests/Matchers.tests.cpp
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@ -628,6 +628,45 @@ namespace { namespace MatchersTests {
REQUIRE_THAT(testStringForMatching2(), composed2);
}
struct CheckedTestingMatcher : Catch::MatcherBase<int> {
mutable bool matchCalled = false;
bool matchSucceeds = false;
bool match(int const&) const override {
matchCalled = true;
return matchSucceeds;
}
std::string describe() const override {
return "CheckedTestingMatcher set to " + (matchSucceeds ? std::string("succeed") : std::string("fail"));
}
};
TEST_CASE("Composed matchers shortcircuit", "[matchers][composed]") {
// Check that if first returns false, second is not touched
CheckedTestingMatcher first, second;
SECTION("&&") {
first.matchSucceeds = false;
// This assertion doesn't actually test anything, we just
// want the composed matcher's `match` being called.
CHECK_THAT(1, !(first && second));
// These two assertions are the important ones
REQUIRE(first.matchCalled);
REQUIRE(!second.matchCalled);
}
// Check that if first returns true, second is not touched
SECTION("||") {
first.matchSucceeds = true;
// This assertion doesn't actually test anything, we just
// want the composed matcher's `match` being called.
CHECK_THAT(1, first || second);
// These two assertions are the important ones
REQUIRE(first.matchCalled);
REQUIRE(!second.matchCalled);
}
}
} } // namespace MatchersTests
#endif // CATCH_CONFIG_DISABLE_MATCHERS