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-rw-r--r--absl/strings/strip_test.cc62
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