third_party/blink/renderer/core/clipboard/clipboard_utilities_test.cc

// Copyright 2019 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 "third_party/blink/renderer/core/clipboard/clipboard_utilities.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

TEST(ClipboardUtilitiesTest, URLToImageMarkupNonASCII) {
  // U+00E7 "Latin Small Letter C with Cedilla" is outside ASCII.
  // It has the UTF-8 encoding 0xC3 0xA7, but Blink interprets 8-bit string
  // literals as Latin-1 in most cases.
  String markup_with_non_ascii =
      URLToImageMarkup(KURL(NullURL(),
                            "http://test.example/fran\xe7"
                            "ais.png"),
                       "Fran\xe7"
                       "ais");
  EXPECT_EQ(
      "<img src=\"http://test.example/fran%C3%A7ais.png\" alt=\"Fran\xe7"
      "ais\"/>",
      markup_with_non_ascii);
  EXPECT_EQ(
      "<img src=\"http://test.example/fran%C3%A7ais.png\" alt=\"Fran\xc3\xa7"
      "ais\"/>",
      markup_with_non_ascii.Utf8());
}

TEST(ClipboardUtilitiesTest, URLToImageMarkupEmbeddedNull) {
  // Null characters, though strange, should also work.
  const char kURLWithNull[] = "http://test.example/\0.png";
  const char kTitleWithNull[] = "\0";
  const char kExpectedOutputWithNull[] =
      "<img src=\"http://test.example/%00.png\" alt=\"\0\"/>";
  EXPECT_EQ(
      String(kExpectedOutputWithNull, sizeof(kExpectedOutputWithNull) - 1),
      URLToImageMarkup(
          KURL(NullURL(), String(kURLWithNull, sizeof(kURLWithNull) - 1)),
          String(kTitleWithNull, sizeof(kTitleWithNull) - 1)));
}

}  // namespace blink