Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A
R=andrew@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/stringutils_unittest.cc

@@ -0,0 +1,109 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/stringutils.h"
+#include "webrtc/base/common.h"
+
+namespace rtc {
+
+// Tests for string_match().
+
+TEST(string_matchTest, Matches) {
+  EXPECT_TRUE( string_match("A.B.C.D", "a.b.c.d"));
+  EXPECT_TRUE( string_match("www.TEST.GOOGLE.COM", "www.*.com"));
+  EXPECT_TRUE( string_match("127.0.0.1",  "12*.0.*1"));
+  EXPECT_TRUE( string_match("127.1.0.21", "12*.0.*1"));
+  EXPECT_FALSE(string_match("127.0.0.0",  "12*.0.*1"));
+  EXPECT_FALSE(string_match("127.0.0.0",  "12*.0.*1"));
+  EXPECT_FALSE(string_match("127.1.1.21", "12*.0.*1"));
+}
+
+// It's not clear if we will ever use wchar_t strings on unix.  In theory,
+// all strings should be Utf8 all the time, except when interfacing with Win32
+// APIs that require Utf16.
+
+#if defined(WEBRTC_WIN)
+
+// Tests for ascii_string_compare().
+
+// Tests NULL input.
+TEST(ascii_string_compareTest, NullInput) {
+  // The following results in an access violation in
+  // ascii_string_compare.  Is this a bug or by design?  stringutils.h
+  // should document the expected behavior in this case.
+
+  // EXPECT_EQ(0, ascii_string_compare(NULL, NULL, 1, identity));
+}
+
+// Tests comparing two strings of different lengths.
+TEST(ascii_string_compareTest, DifferentLengths) {
+  EXPECT_EQ(-1, ascii_string_compare(L"Test", "Test1", 5, identity));
+}
+
+// Tests the case where the buffer size is smaller than the string
+// lengths.
+TEST(ascii_string_compareTest, SmallBuffer) {
+  EXPECT_EQ(0, ascii_string_compare(L"Test", "Test1", 3, identity));
+}
+
+// Tests the case where the buffer is not full.
+TEST(ascii_string_compareTest, LargeBuffer) {
+  EXPECT_EQ(0, ascii_string_compare(L"Test", "Test", 10, identity));
+}
+
+// Tests comparing two eqaul strings.
+TEST(ascii_string_compareTest, Equal) {
+  EXPECT_EQ(0, ascii_string_compare(L"Test", "Test", 5, identity));
+  EXPECT_EQ(0, ascii_string_compare(L"TeSt", "tEsT", 5, tolowercase));
+}
+
+// Tests comparing a smller string to a larger one.
+TEST(ascii_string_compareTest, LessThan) {
+  EXPECT_EQ(-1, ascii_string_compare(L"abc", "abd", 4, identity));
+  EXPECT_EQ(-1, ascii_string_compare(L"ABC", "abD", 5, tolowercase));
+}
+
+// Tests comparing a larger string to a smaller one.
+TEST(ascii_string_compareTest, GreaterThan) {
+  EXPECT_EQ(1, ascii_string_compare(L"xyz", "xy", 5, identity));
+  EXPECT_EQ(1, ascii_string_compare(L"abc", "ABB", 5, tolowercase));
+}
+#endif  // WEBRTC_WIN 
+
+TEST(string_trim_Test, Trimming) {
+  EXPECT_EQ("temp", string_trim("\n\r\t temp \n\r\t"));
+  EXPECT_EQ("temp\n\r\t temp", string_trim(" temp\n\r\t temp "));
+  EXPECT_EQ("temp temp", string_trim("temp temp"));
+  EXPECT_EQ("", string_trim(" \r\n\t"));
+  EXPECT_EQ("", string_trim(""));
+}
+
+TEST(string_startsTest, StartsWith) {
+  EXPECT_TRUE(starts_with("foobar", "foo"));
+  EXPECT_TRUE(starts_with("foobar", "foobar"));
+  EXPECT_TRUE(starts_with("foobar", ""));
+  EXPECT_TRUE(starts_with("", ""));
+  EXPECT_FALSE(starts_with("foobar", "bar"));
+  EXPECT_FALSE(starts_with("foobar", "foobarbaz"));
+  EXPECT_FALSE(starts_with("", "f"));
+}
+
+TEST(string_endsTest, EndsWith) {
+  EXPECT_TRUE(ends_with("foobar", "bar"));
+  EXPECT_TRUE(ends_with("foobar", "foobar"));
+  EXPECT_TRUE(ends_with("foobar", ""));
+  EXPECT_TRUE(ends_with("", ""));
+  EXPECT_FALSE(ends_with("foobar", "foo"));
+  EXPECT_FALSE(ends_with("foobar", "foobarbaz"));
+  EXPECT_FALSE(ends_with("", "f"));
+}
+
+} // namespace rtc