Fix Win64 warnings

This change fixes warnings about converting size_t to int.

BUG=webrtc:1323
TEST=trybots passing

Review URL: https://webrtc-codereview.appspot.com/1064004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3419 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/tools/simple_command_line_parser_unittest.cc b/webrtc/tools/simple_command_line_parser_unittest.cc
new file mode 100644
index 0000000..dbf6239
--- /dev/null
+++ b/webrtc/tools/simple_command_line_parser_unittest.cc
@@ -0,0 +1,87 @@
+/*
+ *  Copyright (c) 2012 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 "gtest/gtest.h"
+#include "webrtc/tools/simple_command_line_parser.h"
+
+namespace webrtc {
+namespace test {
+
+class CommandLineParserTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    parser_ = new CommandLineParser();
+
+    test_flags_length_ = 3;
+    int flag_size = 32;
+    test_flags_ = new char*[test_flags_length_];
+    for (int i = 0; i < test_flags_length_; ++i) {
+      test_flags_[i] = new char[flag_size];
+    }
+    strncpy(test_flags_[0], "tools_unittest", flag_size);
+    strncpy(test_flags_[1], "--foo", flag_size);
+    strncpy(test_flags_[2], "--bar=1", flag_size);
+  }
+  virtual void TearDown() {
+    for (int i = 0; i < test_flags_length_; ++i) {
+      delete[] test_flags_[i];
+    }
+    delete[] test_flags_;
+    delete parser_;
+  }
+  CommandLineParser* parser_;
+  // Test flags to emulate a program's argv arguments.
+  char** test_flags_;
+  int test_flags_length_;
+};
+
+TEST_F(CommandLineParserTest, ProcessFlags) {
+  // Setup supported flags to parse.
+  parser_->SetFlag("foo", "false");
+  parser_->SetFlag("foo-foo", "false");  // To test boolean flags defaults.
+  parser_->SetFlag("bar", "222");
+  parser_->SetFlag("baz", "333");  // To test the default value functionality.
+
+  parser_->Init(test_flags_length_, test_flags_);
+  parser_->ProcessFlags();
+  EXPECT_EQ("true", parser_->GetFlag("foo"));
+  EXPECT_EQ("false", parser_->GetFlag("foo-foo"));
+  EXPECT_EQ("1", parser_->GetFlag("bar"));
+  EXPECT_EQ("333", parser_->GetFlag("baz"));
+  EXPECT_EQ("", parser_->GetFlag("unknown"));
+}
+
+TEST_F(CommandLineParserTest, IsStandaloneFlag) {
+  EXPECT_TRUE(parser_->IsStandaloneFlag("--foo"));
+  EXPECT_TRUE(parser_->IsStandaloneFlag("--foo-foo"));
+  EXPECT_FALSE(parser_->IsStandaloneFlag("--foo=1"));
+}
+
+TEST_F(CommandLineParserTest, IsFlagWellFormed) {
+  EXPECT_TRUE(parser_->IsFlagWellFormed("--foo"));
+  EXPECT_TRUE(parser_->IsFlagWellFormed("--foo-foo"));
+  EXPECT_TRUE(parser_->IsFlagWellFormed("--bar=1"));
+}
+
+TEST_F(CommandLineParserTest, GetCommandLineFlagName) {
+  EXPECT_EQ("foo", parser_->GetCommandLineFlagName("--foo"));
+  EXPECT_EQ("foo-foo", parser_->GetCommandLineFlagName("--foo-foo"));
+  EXPECT_EQ("bar", parser_->GetCommandLineFlagName("--bar=1"));
+}
+
+TEST_F(CommandLineParserTest, GetCommandLineFlagValue) {
+  EXPECT_EQ("", parser_->GetCommandLineFlagValue("--foo"));
+  EXPECT_EQ("", parser_->GetCommandLineFlagValue("--foo-foo"));
+  EXPECT_EQ("1", parser_->GetCommandLineFlagValue("--bar=1"));
+}
+
+}  // namespace test
+}  // namespace webrtc
+