Upstream Chrome on iOS source code [10/11].

ios/chrome/browser/web/external_app_launcher_unittest.mm

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ios/chrome/browser/web/external_app_launcher.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+
+@interface ExternalAppLauncher (Private)
+// Returns the Phone/FaceTime call argument from |url|.
+// Made available for unit testing.
++ (NSString*)formatCallArgument:(NSURL*)url;
+@end
+
+namespace {
+
+TEST(ExternalAppLauncherTest, TestBadFormatCallArgument) {
+  EXPECT_NSEQ(@"garbage:",
+              [ExternalAppLauncher
+                  formatCallArgument:[NSURL URLWithString:@"garbage:"]]);
+  EXPECT_NSEQ(@"malformed:////",
+              [ExternalAppLauncher
+                  formatCallArgument:[NSURL URLWithString:@"malformed:////"]]);
+}
+
+TEST(ExternalAppLauncherTest, TestFormatCallArgument) {
+  EXPECT_NSEQ(
+      @"+1234",
+      [ExternalAppLauncher
+          formatCallArgument:[NSURL URLWithString:@"facetime://+1234"]]);
+  EXPECT_NSEQ(
+      @"+abcd",
+      [ExternalAppLauncher
+          formatCallArgument:[NSURL URLWithString:@"facetime-audio://+abcd"]]);
+  EXPECT_NSEQ(
+      @"+1-650-555-1212",
+      [ExternalAppLauncher
+          formatCallArgument:[NSURL URLWithString:@"tel://+1-650-555-1212"]]);
+  EXPECT_NSEQ(@"75009",
+              [ExternalAppLauncher
+                  formatCallArgument:[NSURL URLWithString:@"garbage:75009"]]);
+}
+
+TEST(ExternalAppLauncherTest, TestURLEscapedArgument) {
+  EXPECT_NSEQ(@"+1 650 555 1212",
+              [ExternalAppLauncher
+                  formatCallArgument:
+                      [NSURL URLWithString:@"tel://+1%20650%20555%201212"]]);
+}
+
+}  // namespace