arc: Add URL converter functions

chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util_unittest.cc

Index: chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util_unittest.cc
diff --git a/chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util_unittest.cc b/chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ce23beea51c09e3e297e890107e4995d4864de7c
--- /dev/null
+++ b/chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util_unittest.cc
@@ -0,0 +1,64 @@
+// 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.
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/chromeos/arc/fileapi/arc_content_file_system_url_util.h"
+#include "content/public/common/url_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace arc {
+
+TEST(ArcContentFileSystemUrlUtilTest, EncodeAndDecode) {
+  {
+    GURL src("file://foo/bar/baz");
+    GURL dest = ArcUrlToExternalFileUrl(src);
+    EXPECT_TRUE(dest.is_valid());
+    EXPECT_EQ(content::kExternalFileScheme, dest.scheme());
+    GURL result = ExternalFileUrlToArcUrl(dest);
+    EXPECT_TRUE(result.is_valid());
+    EXPECT_EQ(src, result);
+  }
+  {
+    GURL src("content://org.chromium.foo/bar/baz");
+    GURL dest = ArcUrlToExternalFileUrl(src);
+    EXPECT_TRUE(dest.is_valid());
+    EXPECT_EQ(content::kExternalFileScheme, dest.scheme());
+    GURL result = ExternalFileUrlToArcUrl(dest);
+    EXPECT_TRUE(result.is_valid());
+    EXPECT_EQ(src, result);
+  }
+  {
+    GURL src("content://org.chromium.foo/bar/%19%20%21");
+    GURL dest = ArcUrlToExternalFileUrl(src);
+    EXPECT_TRUE(dest.is_valid());
+    EXPECT_EQ(content::kExternalFileScheme, dest.scheme());
+    GURL result = ExternalFileUrlToArcUrl(dest);
+    EXPECT_TRUE(result.is_valid());
+    EXPECT_EQ(src, result);
+  }
+  {
+    GURL src("content://org.chromium.foo/!@#$%^&*()_+|~-=\\`[]{};':\"<>?,./");
+    GURL dest = ArcUrlToExternalFileUrl(src);
+    EXPECT_TRUE(dest.is_valid());
+    EXPECT_EQ(content::kExternalFileScheme, dest.scheme());
+    GURL result = ExternalFileUrlToArcUrl(dest);
+    EXPECT_TRUE(result.is_valid());
+    EXPECT_EQ(src, result);
+  }
+  {
+    base::string16 utf16_string;
+    utf16_string.push_back(0x307b);  // HIRAGANA_LETTER_HO

[hidehiko, 2016/10/20 05:28:19]

optional: Can this be initializer_list?

[hashimoto, 2016/10/20 08:36:11]

Done.

+    utf16_string.push_back(0x3052);  // HIRAGANA_LETTER_GE
+    GURL src("content://org.chromium.foo/" + base::UTF16ToUTF8(utf16_string));
+    GURL dest = ArcUrlToExternalFileUrl(src);
+    EXPECT_TRUE(dest.is_valid());
+    EXPECT_EQ(content::kExternalFileScheme, dest.scheme());
+    GURL result = ExternalFileUrlToArcUrl(dest);
+    EXPECT_TRUE(result.is_valid());
+    EXPECT_EQ(src, result);
+  }
+}
+
+}  // namespace arc