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Add stringification support to std::exception and deriving classes

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This support is based on overriden `std::exception::what` method, so
if an exception does not do so meaningfully, the message is still
pointless.

This is only used as a fallback, both `StringMaker` specialization and
`operator<<` overload have priority..
This commit is contained in:
Martin Hořeňovský
2018-05-12 17:46:25 +02:00
parent c323658483
commit 6c5c4c43a0
7 changed files with 147 additions and 26 deletions
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15
projects/SelfTest/Baselines/compact.sw.approved.txt
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@@ -211,14 +211,21 @@ Matchers.tests.cpp:<line number>: passed: testStringForMatching(), Equals("this
Matchers.tests.cpp:<line number>: passed: testStringForMatching(), Equals("this string contains 'ABC' as a substring", Catch::CaseSensitive::No) for: "this string contains 'abc' as a substring" equals: "this string contains 'abc' as a substring" (case insensitive)
Matchers.tests.cpp:<line number>: failed: testStringForMatching(), Equals("this string contains 'ABC' as a substring") for: "this string contains 'abc' as a substring" equals: "this string contains 'ABC' as a substring"
Matchers.tests.cpp:<line number>: failed: testStringForMatching(), Equals("something else", Catch::CaseSensitive::No) for: "this string contains 'abc' as a substring" equals: "something else" (case insensitive)
ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify(WhatException{}) == "This exception has overriden what() method" for: "This exception has overriden what() method"
==
"This exception has overriden what() method"
ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify(OperatorException{}) == "OperatorException" for: "OperatorException" == "OperatorException"
ToStringGeneral.tests.cpp:<line number>: passed: ::Catch::Detail::stringify(StringMakerException{}) == "StringMakerException" for: "StringMakerException"
==
"StringMakerException"
Matchers.tests.cpp:<line number>: failed: expected exception, got none; expression was: doesNotThrow(), SpecialException, ExceptionMatcher{1}
Matchers.tests.cpp:<line number>: failed: expected exception, got none; expression was: doesNotThrow(), SpecialException, ExceptionMatcher{1}
Matchers.tests.cpp:<line number>: failed: unexpected exception with message: 'Unknown exception'; expression was: throwsAsInt(1), SpecialException, ExceptionMatcher{1}
Matchers.tests.cpp:<line number>: failed: unexpected exception with message: 'Unknown exception'; expression was: throwsAsInt(1), SpecialException, ExceptionMatcher{1}
Matchers.tests.cpp:<line number>: failed: throws(3), SpecialException, ExceptionMatcher{1} for: {?} special exception has value of 1
Matchers.tests.cpp:<line number>: failed: throws(4), SpecialException, ExceptionMatcher{1} for: {?} special exception has value of 1
Matchers.tests.cpp:<line number>: passed: throws(1), SpecialException, ExceptionMatcher{1} for: {?} special exception has value of 1
Matchers.tests.cpp:<line number>: passed: throws(2), SpecialException, ExceptionMatcher{2} for: {?} special exception has value of 2
Matchers.tests.cpp:<line number>: failed: throws(3), SpecialException, ExceptionMatcher{1} for: std::exception special exception has value of 1
Matchers.tests.cpp:<line number>: failed: throws(4), SpecialException, ExceptionMatcher{1} for: std::exception special exception has value of 1
Matchers.tests.cpp:<line number>: passed: throws(1), SpecialException, ExceptionMatcher{1} for: std::exception special exception has value of 1
Matchers.tests.cpp:<line number>: passed: throws(2), SpecialException, ExceptionMatcher{2} for: std::exception special exception has value of 2
Exception.tests.cpp:<line number>: passed: thisThrows(), "expected exception" for: "expected exception" equals: "expected exception"
Exception.tests.cpp:<line number>: passed: thisThrows(), Equals( "expecteD Exception", Catch::CaseSensitive::No ) for: "expected exception" equals: "expected exception" (case insensitive)
Exception.tests.cpp:<line number>: passed: thisThrows(), StartsWith( "expected" ) for: "expected exception" starts with: "expected"