commit 09c39d6df0e952620f8c1751377b559a04e023aa
author Elliott Hughes <enh@google.com> Tue Aug 19 14:30:30 2014 -0700
committer Elliott Hughes <enh@google.com> Tue Aug 19 14:30:30 2014 -0700
tree 1ca25e04d3ed7ebea1dde6f4d3baaeee9526c0e5
parent c5d6df6f2fe57fd5aadbd9ebb131023234c30a0c

Implement the GNU basename(3) in addition to the POSIX one.

Code like perf(1) needs this.

Bug: 11860789
Change-Id: I907eb448052a7b165e4012d74303330d32328cb2

tests/string_test.cpp

diff --git a/tests/string_test.cpp b/tests/string_test.cpp
index 73c94c6..a3c6abb 100644
--- a/tests/string_test.cpp
+++ b/tests/string_test.cpp
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#include <gtest/gtest.h>
+#include <string.h>
 
 #include <errno.h>
+#include <gtest/gtest.h>
 #include <malloc.h>
 #include <math.h>
-#include <string.h>
 
 #include "buffer_tests.h"
 
@@ -1287,3 +1287,22 @@
 TEST(string, strchr_overread) {
   RunSingleBufferOverreadTest(DoStrchrTest);
 }
+
+static void TestBasename(const char* in, const char* expected_out) {
+  errno = 0;
+  const char* out = basename(in);
+  ASSERT_STREQ(expected_out, out) << in;
+  ASSERT_EQ(0, errno) << in;
+}
+
+TEST(string, __gnu_basename) {
+  TestBasename("", "");
+  TestBasename("/usr/lib", "lib");
+  TestBasename("/usr/", "");
+  TestBasename("usr", "usr");
+  TestBasename("/", "");
+  TestBasename(".", ".");
+  TestBasename("..", "..");
+  TestBasename("///", "");
+  TestBasename("//usr//lib//", "");
+}