Move win_util.h from common to app.

http://crbug.com/11387

Review URL: http://codereview.chromium.org/113169

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15694 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 94 insertions, 0 deletions

diff --git a/app/win_util_unittest.cc b/app/win_util_unittest.cc
new file mode 100644
index 0000000..18fb0d0
--- /dev/null
+++ b/app/win_util_unittest.cc
@@ -0,0 +1,94 @@
+// Copyright (c) 2006-2008 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 "app/win_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(WinUtilTest, EnsureRectIsVisibleInRect) {
+  gfx::Rect parent_rect(0, 0, 500, 400);
+
+  {
+    // Child rect x < 0
+    gfx::Rect child_rect(-50, 20, 100, 100);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(10, 20, 100, 100), child_rect);
+  }
+
+  {
+    // Child rect y < 0
+    gfx::Rect child_rect(20, -50, 100, 100);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(20, 10, 100, 100), child_rect);
+  }
+
+  {
+    // Child rect right > parent_rect.right
+    gfx::Rect child_rect(450, 20, 100, 100);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(390, 20, 100, 100), child_rect);
+  }
+
+  {
+    // Child rect bottom > parent_rect.bottom
+    gfx::Rect child_rect(20, 350, 100, 100);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(20, 290, 100, 100), child_rect);
+  }
+
+  {
+    // Child rect width > parent_rect.width
+    gfx::Rect child_rect(20, 20, 700, 100);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(20, 20, 480, 100), child_rect);
+  }
+
+  {
+    // Child rect height > parent_rect.height
+    gfx::Rect child_rect(20, 20, 100, 700);
+    win_util::EnsureRectIsVisibleInRect(parent_rect, &child_rect, 10);
+    EXPECT_EQ(gfx::Rect(20, 20, 100, 380), child_rect);
+  }
+}
+
+static const struct filename_case {
+  const wchar_t* filename;
+  const wchar_t* filter_selected;
+  const wchar_t* suggested_ext;
+  const wchar_t* result;
+} filename_cases[] = {
+  // Test a specific filter (*.jpg).
+  {L"f",         L"*.jpg", L"jpg", L"f.jpg"},
+  {L"f.",        L"*.jpg", L"jpg", L"f..jpg"},
+  {L"f..",       L"*.jpg", L"jpg", L"f...jpg"},
+  {L"f.jpeg",    L"*.jpg", L"jpg", L"f.jpeg"},
+  // Further guarantees.
+  {L"f.jpg.jpg", L"*.jpg", L"jpg", L"f.jpg.jpg"},
+  {L"f.exe.jpg", L"*.jpg", L"jpg", L"f.exe.jpg"},
+  {L"f.jpg.exe", L"*.jpg", L"jpg", L"f.jpg.exe.jpg"},
+  {L"f.exe..",   L"*.jpg", L"jpg", L"f.exe...jpg"},
+  {L"f.jpg..",   L"*.jpg", L"jpg", L"f.jpg...jpg"},
+  // Test the All Files filter (*.jpg).
+  {L"f",         L"*.*",   L"jpg", L"f"},
+  {L"f.",        L"*.*",   L"jpg", L"f"},
+  {L"f..",       L"*.*",   L"jpg", L"f"},
+  {L"f.jpg",     L"*.*",   L"jpg", L"f.jpg"},
+  {L"f.jpeg",    L"*.*",   L"jpg", L"f.jpeg"},  // Same MIME type (diff. ext).
+  // Test the empty filter, which should behave identically to the
+  // All Files filter.
+  {L"f",         L"",      L"jpg", L"f"},
+  {L"f.",        L"",      L"jpg", L"f"},
+  {L"f..",       L"",      L"jpg", L"f"},
+  {L"f.jpg",     L"",      L"jpg", L"f.jpg"},
+  {L"f.jpeg",    L"",      L"jpg", L"f.jpeg"},
+};
+
+TEST(WinUtilTest, AppendingExtensions) {
+  for (unsigned int i = 0; i < arraysize(filename_cases); ++i) {
+    const filename_case& value = filename_cases[i];
+    std::wstring result =
+        win_util::AppendExtensionIfNeeded(value.filename, value.filter_selected,
+                                          value.suggested_ext);
+    EXPECT_EQ(value.result, result);
+  }
+}