[Mac] First part of Omnibox decoration refactor. Enable ev bubble.

chrome/browser/cocoa/location_bar/selected_keyword_decoration_unittest.mm

Index: chrome/browser/cocoa/location_bar/selected_keyword_decoration_unittest.mm
diff --git a/chrome/browser/cocoa/location_bar/selected_keyword_decoration_unittest.mm b/chrome/browser/cocoa/location_bar/selected_keyword_decoration_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..bd0f42f7c55dfef235d142d1095803f234e27c98
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+++ b/chrome/browser/cocoa/location_bar/selected_keyword_decoration_unittest.mm
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+// Copyright (c) 2010 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 <Cocoa/Cocoa.h>
+
+#import "chrome/browser/cocoa/location_bar/selected_keyword_decoration.h"
+
+#import "chrome/browser/cocoa/cocoa_test_helper.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+// A wide width which should fit everything.
+const CGFloat kWidth(300.0);
+
+// A narrow width for tests which test things that don't fit.
+const CGFloat kNarrowWidth(5.0);
+
+}  // namespace
+
+class SelectedKeywordDecorationTest : public CocoaTest {
+ public:
+  SelectedKeywordDecorationTest()
+      : decoration_([NSFont userFontOfSize:12]) {
+  }
+
+  SelectedKeywordDecoration decoration_;
+};
+
+// Test that the cell correctly chooses the partial keyword if there's
+// not enough room.
+TEST_F(SelectedKeywordDecorationTest, UsesPartialKeywordIfNarrow) {
+
+  const std::wstring kKeyword(L"Engine");
+  NSString* const kFullString = @"Search Engine:";
+  NSString* const kPartialString = @"Search En\u2026:";  // ellipses
+
+  decoration_.SetKeyword(kKeyword, false);
+
+  // Wide width chooses the full string and image.
+  const CGFloat all_width = decoration_.GetWidthForSpace(kWidth);
+  EXPECT_TRUE(decoration_.image_);
+  EXPECT_TRUE([decoration_.label_ isEqualToString:kFullString]);
+
+  // If not enough space to include the image, uses exactly the full
+  // string.
+  const CGFloat full_width = decoration_.GetWidthForSpace(all_width - 5.0);
+  EXPECT_LT(full_width, all_width);
+  EXPECT_FALSE(decoration_.image_);
+  EXPECT_TRUE([decoration_.label_ isEqualToString:kFullString]);
+
+  // Narrow width chooses the partial string.
+  const CGFloat partial_width = decoration_.GetWidthForSpace(kNarrowWidth);
+  EXPECT_LT(partial_width, full_width);
+  EXPECT_FALSE(decoration_.image_);
+  EXPECT_TRUE([decoration_.label_ isEqualToString:kPartialString]);
+
+  // Narrow doesn't choose partial string if there is not one.
+  decoration_.partial_string_.reset();
+  decoration_.GetWidthForSpace(kNarrowWidth);
+  EXPECT_FALSE(decoration_.image_);
+  EXPECT_TRUE([decoration_.label_ isEqualToString:kFullString]);
+}