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Diffstat (limited to '')
| -rw-r--r-- | xpcom/tests/gtest/TestSubstringTuple.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestSubstringTuple.cpp b/xpcom/tests/gtest/TestSubstringTuple.cpp new file mode 100644 index 0000000000..6dfd6bc154 --- /dev/null +++ b/xpcom/tests/gtest/TestSubstringTuple.cpp @@ -0,0 +1,55 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsLiteralString.h" +#include "nsTSubstringTuple.h" +#include "gtest/gtest.h" + +namespace TestSubstringTuple { + +static const auto kFooLiteral = u"foo"_ns; + +static const auto kFoo = nsCString("foo"); +static const auto kBar = nsCString("bar"); +static const auto kBaz = nsCString("baz"); + +// The test must be done in a macro to ensure that tuple is always a temporary. +#define DO_SUBSTRING_TUPLE_TEST(tuple, dependentString, expectedLength, \ + expectedDependency) \ + const auto length = (tuple).Length(); \ + const auto isDependentOn = (tuple).IsDependentOn( \ + dependentString.BeginReading(), dependentString.EndReading()); \ + \ + EXPECT_EQ((expectedLength), length); \ + EXPECT_EQ((expectedDependency), isDependentOn); \ + \ + const auto [combinedIsDependentOn, combinedLength] = \ + (tuple).IsDependentOnWithLength(dependentString.BeginReading(), \ + dependentString.EndReading()); \ + \ + EXPECT_EQ(length, combinedLength); \ + EXPECT_EQ(isDependentOn, combinedIsDependentOn); + +TEST(SubstringTuple, IsDependentOnAndLength_NonDependent_Literal_ZeroLength) +{ DO_SUBSTRING_TUPLE_TEST(u""_ns + u""_ns, kFooLiteral, 0u, false); } + +TEST(SubstringTuple, IsDependentOnAndLength_NonDependent_Literal_NonZeroLength) +{ DO_SUBSTRING_TUPLE_TEST(u"bar"_ns + u"baz"_ns, kFooLiteral, 6u, false); } + +TEST(SubstringTuple, IsDependentOnAndLength_NonDependent_NonZeroLength) +{ DO_SUBSTRING_TUPLE_TEST(kBar + kBaz, kFoo, 6u, false); } + +TEST(SubstringTuple, + IsDependentOnAndLength_NonDependent_NonZeroLength_ThreeParts) +{ DO_SUBSTRING_TUPLE_TEST(kBar + kBaz + kBar, kFoo, 9u, false); } + +TEST(SubstringTuple, IsDependentOnAndLength_Dependent_NonZeroLength) +{ DO_SUBSTRING_TUPLE_TEST(kBar + kBaz, kBar, 6u, true); } + +TEST(SubstringTuple, IsDependentOnAndLength_Dependent_NonZeroLength_ThreeParts) +{ DO_SUBSTRING_TUPLE_TEST(kBar + kBaz + kFoo, kBar, 9u, true); } + +} // namespace TestSubstringTuple |