diff options
Diffstat (limited to 'absl/container/internal/hash_function_defaults_test.cc')
| -rw-r--r-- | absl/container/internal/hash_function_defaults_test.cc | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/absl/container/internal/hash_function_defaults_test.cc b/absl/container/internal/hash_function_defaults_test.cc index 9f0a4c72..c31af3be 100644 --- a/absl/container/internal/hash_function_defaults_test.cc +++ b/absl/container/internal/hash_function_defaults_test.cc @@ -24,6 +24,10 @@ #include "absl/strings/cord_test_helpers.h" #include "absl/strings/string_view.h" +#ifdef ABSL_HAVE_STD_STRING_VIEW +#include <string_view> +#endif + namespace absl { ABSL_NAMESPACE_BEGIN namespace container_internal { @@ -109,6 +113,168 @@ TYPED_TEST(HashString, Works) { EXPECT_NE(h, hash(std::string("b"))); } +TEST(BasicStringViewTest, WStringEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::wstring> eq; + EXPECT_TRUE(eq(L"a", L"a")); + EXPECT_TRUE(eq(L"a", std::wstring_view(L"a"))); + EXPECT_TRUE(eq(L"a", std::wstring(L"a"))); + EXPECT_FALSE(eq(L"a", L"b")); + EXPECT_FALSE(eq(L"a", std::wstring_view(L"b"))); + EXPECT_FALSE(eq(L"a", std::wstring(L"b"))); +#endif +} + +TEST(BasicStringViewTest, WStringViewEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::wstring_view> eq; + EXPECT_TRUE(eq(L"a", L"a")); + EXPECT_TRUE(eq(L"a", std::wstring_view(L"a"))); + EXPECT_TRUE(eq(L"a", std::wstring(L"a"))); + EXPECT_FALSE(eq(L"a", L"b")); + EXPECT_FALSE(eq(L"a", std::wstring_view(L"b"))); + EXPECT_FALSE(eq(L"a", std::wstring(L"b"))); +#endif +} + +TEST(BasicStringViewTest, U16StringEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::u16string> eq; + EXPECT_TRUE(eq(u"a", u"a")); + EXPECT_TRUE(eq(u"a", std::u16string_view(u"a"))); + EXPECT_TRUE(eq(u"a", std::u16string(u"a"))); + EXPECT_FALSE(eq(u"a", u"b")); + EXPECT_FALSE(eq(u"a", std::u16string_view(u"b"))); + EXPECT_FALSE(eq(u"a", std::u16string(u"b"))); +#endif +} + +TEST(BasicStringViewTest, U16StringViewEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::u16string_view> eq; + EXPECT_TRUE(eq(u"a", u"a")); + EXPECT_TRUE(eq(u"a", std::u16string_view(u"a"))); + EXPECT_TRUE(eq(u"a", std::u16string(u"a"))); + EXPECT_FALSE(eq(u"a", u"b")); + EXPECT_FALSE(eq(u"a", std::u16string_view(u"b"))); + EXPECT_FALSE(eq(u"a", std::u16string(u"b"))); +#endif +} + +TEST(BasicStringViewTest, U32StringEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::u32string> eq; + EXPECT_TRUE(eq(U"a", U"a")); + EXPECT_TRUE(eq(U"a", std::u32string_view(U"a"))); + EXPECT_TRUE(eq(U"a", std::u32string(U"a"))); + EXPECT_FALSE(eq(U"a", U"b")); + EXPECT_FALSE(eq(U"a", std::u32string_view(U"b"))); + EXPECT_FALSE(eq(U"a", std::u32string(U"b"))); +#endif +} + +TEST(BasicStringViewTest, U32StringViewEqWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_eq<std::u32string_view> eq; + EXPECT_TRUE(eq(U"a", U"a")); + EXPECT_TRUE(eq(U"a", std::u32string_view(U"a"))); + EXPECT_TRUE(eq(U"a", std::u32string(U"a"))); + EXPECT_FALSE(eq(U"a", U"b")); + EXPECT_FALSE(eq(U"a", std::u32string_view(U"b"))); + EXPECT_FALSE(eq(U"a", std::u32string(U"b"))); +#endif +} + +TEST(BasicStringViewTest, WStringHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::wstring> hash; + auto h = hash(L"a"); + EXPECT_EQ(h, hash(std::wstring_view(L"a"))); + EXPECT_EQ(h, hash(std::wstring(L"a"))); + EXPECT_NE(h, hash(std::wstring_view(L"b"))); + EXPECT_NE(h, hash(std::wstring(L"b"))); +#endif +} + +TEST(BasicStringViewTest, WStringViewHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::wstring_view> hash; + auto h = hash(L"a"); + EXPECT_EQ(h, hash(std::wstring_view(L"a"))); + EXPECT_EQ(h, hash(std::wstring(L"a"))); + EXPECT_NE(h, hash(std::wstring_view(L"b"))); + EXPECT_NE(h, hash(std::wstring(L"b"))); +#endif +} + +TEST(BasicStringViewTest, U16StringHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::u16string> hash; + auto h = hash(u"a"); + EXPECT_EQ(h, hash(std::u16string_view(u"a"))); + EXPECT_EQ(h, hash(std::u16string(u"a"))); + EXPECT_NE(h, hash(std::u16string_view(u"b"))); + EXPECT_NE(h, hash(std::u16string(u"b"))); +#endif +} + +TEST(BasicStringViewTest, U16StringViewHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::u16string_view> hash; + auto h = hash(u"a"); + EXPECT_EQ(h, hash(std::u16string_view(u"a"))); + EXPECT_EQ(h, hash(std::u16string(u"a"))); + EXPECT_NE(h, hash(std::u16string_view(u"b"))); + EXPECT_NE(h, hash(std::u16string(u"b"))); +#endif +} + +TEST(BasicStringViewTest, U32StringHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::u32string> hash; + auto h = hash(U"a"); + EXPECT_EQ(h, hash(std::u32string_view(U"a"))); + EXPECT_EQ(h, hash(std::u32string(U"a"))); + EXPECT_NE(h, hash(std::u32string_view(U"b"))); + EXPECT_NE(h, hash(std::u32string(U"b"))); +#endif +} + +TEST(BasicStringViewTest, U32StringViewHashWorks) { +#ifndef ABSL_HAVE_STD_STRING_VIEW + GTEST_SKIP(); +#else + hash_default_hash<std::u32string_view> hash; + auto h = hash(U"a"); + EXPECT_EQ(h, hash(std::u32string_view(U"a"))); + EXPECT_EQ(h, hash(std::u32string(U"a"))); + EXPECT_NE(h, hash(std::u32string_view(U"b"))); + EXPECT_NE(h, hash(std::u32string(U"b"))); +#endif +} + struct NoDeleter { template <class T> void operator()(const T* ptr) const {} |