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author | 2017-11-22 07:42:54 -0800 | |
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committer | 2017-11-22 15:25:43 -0500 | |
commit | ae0cef35ae5a7bfd873fb87babdd4900cbdb073c (patch) | |
tree | 425b9cea24813eb4f158a47a3f058d86edb8d1a8 /absl/strings/strip_test.cc | |
parent | 6a88b407715315e99b372baa82a01f26608091dc (diff) |
Changes imported from Abseil "staging" branch:
- 55c7dd8ad1570b4e6ce2103ed4d4b6becdea0d96 Remove line continuations which require CMake >= 3.0. Al... by Jon Cohen <cohenjon@google.com>
- ee66ad72a90259d6286bbfea7241ed976bb0f6fb Change absl::ParseDuration() to avoid double. This allow... by Abseil Team <absl-team@google.com>
- 89cf4cd49d8ff25cb3d29f06b2090029a2024e89 Internal change by Gennadiy Rozental <rogeeff@google.com>
- cdb5879bf6aaf6bbd2ad1fe4a2b144bbdf0389c7 Internal change by Gennadiy Rozental <rogeeff@google.com>
- e7b29d11bf24a63bf7637689ada8be7d619844fc Internal change by Gennadiy Rozental <rogeeff@google.com>
- 2d4fc08d5d64a7760ad6230eccdb5b8014c2b0c3 Update the exception-safety testing framework. by Jon Cohen <cohenjon@google.com>
GitOrigin-RevId: 55c7dd8ad1570b4e6ce2103ed4d4b6becdea0d96
Change-Id: I6b560cbc4570dfc5aa9a2f90e84d69904df7eac5
Diffstat (limited to 'absl/strings/strip_test.cc')
-rw-r--r-- | absl/strings/strip_test.cc | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/absl/strings/strip_test.cc b/absl/strings/strip_test.cc index 3c9e726e..ff0e7f1c 100644 --- a/absl/strings/strip_test.cc +++ b/absl/strings/strip_test.cc @@ -116,4 +116,66 @@ TEST(Strip, StripSuffix) { EXPECT_EQ(absl::StripSuffix("", ""), ""); } +TEST(Strip, RemoveExtraAsciiWhitespace) { + const char* inputs[] = { + "No extra space", + " Leading whitespace", + "Trailing whitespace ", + " Leading and trailing ", + " Whitespace \t in\v middle ", + "'Eeeeep! \n Newlines!\n", + "nospaces", + }; + const char* outputs[] = { + "No extra space", + "Leading whitespace", + "Trailing whitespace", + "Leading and trailing", + "Whitespace in middle", + "'Eeeeep! Newlines!", + "nospaces", + }; + int NUM_TESTS = 7; + + for (int i = 0; i < NUM_TESTS; i++) { + std::string s(inputs[i]); + absl::RemoveExtraAsciiWhitespace(&s); + EXPECT_STREQ(outputs[i], s.c_str()); + } + + // Test that absl::RemoveExtraAsciiWhitespace returns immediately for empty + // strings (It was adding the \0 character to the C++ std::string, which broke + // tests involving empty()) + std::string zero_string = ""; + assert(zero_string.empty()); + absl::RemoveExtraAsciiWhitespace(&zero_string); + EXPECT_EQ(zero_string.size(), 0); + EXPECT_TRUE(zero_string.empty()); +} + +TEST(Strip, StripTrailingAsciiWhitespace) { + std::string test = "foo "; + absl::StripTrailingAsciiWhitespace(&test); + EXPECT_EQ(test, "foo"); + + test = " "; + absl::StripTrailingAsciiWhitespace(&test); + EXPECT_EQ(test, ""); + + test = ""; + absl::StripTrailingAsciiWhitespace(&test); + EXPECT_EQ(test, ""); + + test = " abc\t"; + absl::StripTrailingAsciiWhitespace(&test); + EXPECT_EQ(test, " abc"); +} + +TEST(String, StripLeadingAsciiWhitespace) { + absl::string_view orig = "\t \n\f\r\n\vfoo"; + EXPECT_EQ("foo", absl::StripLeadingAsciiWhitespace(orig)); + orig = "\t \n\f\r\v\n\t \n\f\r\v\n"; + EXPECT_EQ(absl::string_view(), absl::StripLeadingAsciiWhitespace(orig)); +} + } // namespace |