diff options
Diffstat (limited to 'absl/strings/string_view_test.cc')
| -rw-r--r-- | absl/strings/string_view_test.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/absl/strings/string_view_test.cc b/absl/strings/string_view_test.cc index eb8b170bbbde..86f2fbcd003a 100644 --- a/absl/strings/string_view_test.cc +++ b/absl/strings/string_view_test.cc @@ -974,6 +974,29 @@ TEST(StringViewTest, ConstexprCompiles) { EXPECT_EQ(cstr_strlen.length(), 3); constexpr absl::string_view cstr_strlen2 = "bar"; EXPECT_EQ(cstr_strlen2, "bar"); + +#if ABSL_HAVE_BUILTIN(__builtin_memcmp) || \ + (defined(__GNUC__) && !defined(__clang__)) +#define ABSL_HAVE_CONSTEXPR_STRING_VIEW_COMPARISON 1 +#endif +#ifdef ABSL_HAVE_CONSTEXPR_STRING_VIEW_COMPARISON + constexpr absl::string_view foo = "foo"; + constexpr absl::string_view bar = "bar"; + constexpr bool foo_eq_bar = foo == bar; + constexpr bool foo_ne_bar = foo != bar; + constexpr bool foo_lt_bar = foo < bar; + constexpr bool foo_le_bar = foo <= bar; + constexpr bool foo_gt_bar = foo > bar; + constexpr bool foo_ge_bar = foo >= bar; + constexpr int foo_compare_bar = foo.compare(bar); + EXPECT_FALSE(foo_eq_bar); + EXPECT_TRUE(foo_ne_bar); + EXPECT_FALSE(foo_lt_bar); + EXPECT_FALSE(foo_le_bar); + EXPECT_TRUE(foo_gt_bar); + EXPECT_TRUE(foo_ge_bar); + EXPECT_GT(foo_compare_bar, 0); +#endif #endif #if !defined(__clang__) || 3 < __clang_major__ || \ |