str: Add ltrim and rtrim

Useful when you only want to trim one side..

1 files changed, 58 insertions, 0 deletions

diff --git a/test/str.cc b/test/str.cc
index 6d7edf2..d7d331f 100644
--- a/test/str.cc
+++ b/test/str.cc
@@ -65,3 +65,61 @@ TEST(str, trim) {
   ret = str::trim("\tfoo bar\r\n");
   EXPECT_EQ("foo bar", ret);
 }
+
+TEST(str, ltrim) {
+  auto ret = str::ltrim("");
+  EXPECT_EQ("", ret);
+
+  ret = str::ltrim(" ");
+  EXPECT_EQ("", ret);
+
+  ret = str::ltrim("  ");
+  EXPECT_EQ("", ret);
+
+  ret = str::ltrim("foo");
+  EXPECT_EQ("foo", ret);
+
+  ret = str::ltrim(" foo");
+  EXPECT_EQ("foo", ret);
+
+  ret = str::ltrim(" foo ");
+  EXPECT_EQ("foo ", ret);
+
+  ret = str::ltrim("foo ");
+  EXPECT_EQ("foo ", ret);
+
+  ret = str::ltrim("  foo bar           ");
+  EXPECT_EQ("foo bar           ", ret);
+
+  ret = str::ltrim("\tfoo bar\r\n");
+  EXPECT_EQ("foo bar\r\n", ret);
+}
+
+TEST(str, rtrim) {
+  auto ret = str::rtrim("");
+  EXPECT_EQ("", ret);
+
+  ret = str::rtrim(" ");
+  EXPECT_EQ("", ret);
+
+  ret = str::rtrim("  ");
+  EXPECT_EQ("", ret);
+
+  ret = str::rtrim("foo");
+  EXPECT_EQ("foo", ret);
+
+  ret = str::rtrim(" foo");
+  EXPECT_EQ(" foo", ret);
+
+  ret = str::rtrim(" foo ");
+  EXPECT_EQ(" foo", ret);
+
+  ret = str::rtrim("foo ");
+  EXPECT_EQ("foo", ret);
+
+  ret = str::rtrim("  foo bar           ");
+  EXPECT_EQ("  foo bar", ret);
+
+  ret = str::rtrim("\tfoo bar\r\n");
+  EXPECT_EQ("\tfoo bar", ret);
+}