blob: 80d267153def834fcefa0a5c3a6ed923ae9a3ced [file] [log] [blame]
// Copyright (c) 2012 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 "net/base/data_url.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace net {
namespace {
struct ParseTestData {
const char* url;
bool is_valid;
const char* mime_type;
const char* charset;
const char* data;
} // namespace
TEST(DataURLTest, Parse) {
const ParseTestData tests[] = {
{"data:", false, "", "", ""},
{"data:,", true, "text/plain", "US-ASCII", ""},
{"data:;base64,", true, "text/plain", "US-ASCII", ""},
{"data:;charset=,test", false, "", "", ""},
{"data:TeXt/HtMl,<b>x</b>", true, "text/html", "", "<b>x</b>"},
{"data:,foo", true, "text/plain", "US-ASCII", "foo"},
{"data:;base64,aGVsbG8gd29ybGQ=", true, "text/plain", "US-ASCII",
"hello world"},
// Allow invalid mediatype for backward compatibility but set mime_type to
// "text/plain" instead of the invalid mediatype.
{"data:foo,boo", true, "text/plain", "US-ASCII", "boo"},
// When accepting an invalid mediatype, override charset with "US-ASCII"
{"data:foo;charset=UTF-8,boo", true, "text/plain", "US-ASCII", "boo"},
// Invalid mediatype. Includes a slash but the type part is not a token.
{"data:f(oo/bar;baz=1;charset=kk,boo", true, "text/plain", "US-ASCII",
{"data:foo/bar;baz=1;charset=kk,boo", true, "foo/bar", "kk", "boo"},
{"data:foo/bar;charset=kk;baz=1,boo", true, "foo/bar", "kk", "boo"},
true, "text/html", "", "<html><body><b>hello world</b></body></html>"},
{"data:text/html,<html><body><b>hello world</b></body></html>", true,
"text/html", "", "<html><body><b>hello world</b></body></html>"},
// the comma cannot be url-escaped!
{"data:%2Cblah", false, "", "", ""},
// invalid base64 content
{"data:;base64,aGVs_-_-", false, "", "", ""},
// Spaces should be removed from non-text data URLs (we already tested
// spaces above).
{"data:image/fractal,a b c d e f g", true, "image/fractal", "",
// Spaces should also be removed from anything base-64 encoded
{"data:;base64,aGVs bG8gd2 9ybGQ=", true, "text/plain", "US-ASCII",
"hello world"},
// Other whitespace should also be removed from anything base-64 encoded.
{"data:;base64,aGVs bG8gd2 \n9ybGQ=", true, "text/plain", "US-ASCII",
"hello world"},
// In base64 encoding, escaped whitespace should be stripped.
// (This test was taken from acid3)
// http://b/1054495
true, "text/javascript", "", "d4 = 'four';"},
// Only unescaped whitespace should be stripped in non-base64.
// http://b/1157796
{"data:img/png,A B %20 %0A C", true, "img/png", "", "AB \nC"},
{"data:text/plain;charset=utf-8;base64,SGVsbMO2", true, "text/plain",
"utf-8", "Hell\xC3\xB6"},
// no mimetype
{"data:;charset=utf-8;base64,SGVsbMO2", true, "text/plain", "utf-8",
// Not sufficiently padded.
{"data:;base64,aGVsbG8gd29ybGQ", true, "text/plain", "US-ASCII",
"hello world"},
// Bad encoding (truncated).
{"data:;base64,aGVsbG8gd29yb", false, "", "", ""},
// BiDi control characters should be unescaped and preserved as is, and
// should not be replaced with % versions. In the below case, \xE2\x80\x8F
// is the RTL mark and the parsed text should preserve it as is.
{"data:text/plain;charset=utf-8,\xE2\x80\x8Ftest", true, "text/plain",
"utf-8", "\xE2\x80\x8Ftest"},
// Same as above but with Arabic text after RTL mark.
true, "text/plain", "utf-8",
// RTL mark encoded as %E2%80%8F should be unescaped too. Note that when
// wrapped in a GURL, this URL and the next effectively become the same as
// the previous two URLs.
{"data:text/plain;charset=utf-8,%E2%80%8Ftest", true, "text/plain",
"utf-8", "\xE2\x80\x8Ftest"},
// Same as above but with Arabic text after RTL mark.
true, "text/plain", "utf-8",
// The 'data' of a data URI does not include any ref it has.
{"data:text/plain,this/is/a/test/%23include/#dontinclude", true,
"text/plain", "", "this/is/a/test/#include/"},
// TODO(darin): add more interesting tests
for (const auto& test : tests) {
std::string mime_type;
std::string charset;
std::string data;
bool ok = DataURL::Parse(GURL(test.url), &mime_type, &charset, &data);
EXPECT_EQ(ok, test.is_valid);
if (test.is_valid) {
EXPECT_EQ(test.mime_type, mime_type);
EXPECT_EQ(test.charset, charset);
EXPECT_EQ(, data);
} // namespace net