Add new NSPasteboard utility function and tests.

ui/base/clipboard/clipboard_util_mac_unittest.mm

+// Copyright 2016 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.
+
+#import "ui/base/clipboard/clipboard_util_mac.h"
+
+#include "base/mac/scoped_nsobject.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#include "testing/platform_test.h"
+#include "third_party/mozilla/NSPasteboard+Utils.h"
+
+namespace {
+
+class ClipboardUtilMacTest : public PlatformTest {
+ public:
+  ClipboardUtilMacTest() { }
+};
+
+TEST_F(ClipboardUtilMacTest, PasteboardItemFromUrl) {
+  NSString* urlString =
+      @"https://www.google.com/"
+      @"search?q=test&oq=test&aqs=chrome..69i57l2j69i60l4.278j0j7&"
+      @"sourceid=chrome&ie=UTF-8";
+
+  base::scoped_nsobject<NSPasteboardItem> item(
+      ui::ClipboardUtil::PasteboardItemFromUrl(urlString, nil));
+  NSPasteboard* pasteboard = [NSPasteboard pasteboardWithUniqueName];
+  [pasteboard writeObjects:@[ item ]];
+
+  NSArray* urls = nil;
+  NSArray* titles = nil;
+  [pasteboard getURLs:&urls andTitles:&titles convertingFilenames:NO];
+
+  ASSERT_EQ(1u, [urls count]);
+  EXPECT_NSEQ(urlString, [urls objectAtIndex:0]);
+  ASSERT_EQ(1u, [titles count]);
+  EXPECT_NSEQ(urlString, [titles objectAtIndex:0]);
+
+  NSURL* url = [NSURL URLFromPasteboard:pasteboard];
+  EXPECT_NSEQ([url absoluteString], urlString);
+}
+
+TEST_F(ClipboardUtilMacTest, PasteboardItemWithTitle) {
+  NSString* urlString = @"https://www.google.com/";
+  NSString* title = @"Burrowing Yams";
+
+  base::scoped_nsobject<NSPasteboardItem> item(
+      ui::ClipboardUtil::PasteboardItemFromUrl(urlString, title));
+  NSPasteboard* pasteboard = [NSPasteboard pasteboardWithUniqueName];
+  [pasteboard writeObjects:@[ item ]];
+
+  NSArray* urls = nil;
+  NSArray* titles = nil;
+  [pasteboard getURLs:&urls andTitles:&titles convertingFilenames:NO];
+
+  ASSERT_EQ(1u, [urls count]);
+  EXPECT_NSEQ(urlString, [urls objectAtIndex:0]);
+  ASSERT_EQ(1u, [titles count]);
+  EXPECT_NSEQ(title, [titles objectAtIndex:0]);
+
+  NSURL* url = [NSURL URLFromPasteboard:pasteboard];
+  EXPECT_NSEQ([url absoluteString], urlString);
+}
+
+TEST_F(ClipboardUtilMacTest, PasteboardItemWithFilePath) {
+  NSURL* url = [NSURL fileURLWithPath:NSTemporaryDirectory() isDirectory:YES];
+  ASSERT_TRUE(url);
+  NSString* urlString = [url absoluteString];
+
+  base::scoped_nsobject<NSPasteboardItem> item(
+      ui::ClipboardUtil::PasteboardItemFromUrl(urlString, nil));
+  NSPasteboard* pasteboard = [NSPasteboard pasteboardWithUniqueName];
+  [pasteboard writeObjects:@[ item ]];
+
+  NSArray* urls = nil;
+  NSArray* titles = nil;
+  [pasteboard getURLs:&urls andTitles:&titles convertingFilenames:NO];
+
+  ASSERT_EQ(1u, [urls count]);
+  EXPECT_NSEQ(urlString, [urls objectAtIndex:0]);
+  ASSERT_EQ(1u, [titles count]);
+  EXPECT_NSEQ(urlString, [titles objectAtIndex:0]);
+
+  NSURL* urlFromPasteboard = [NSURL URLFromPasteboard:pasteboard];
+  EXPECT_NSEQ(urlFromPasteboard, url);
+}
+
+}  // namespace