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- // Copyright 2014 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 "url/url_canon_icu.h"
- #include <stddef.h>
- #include "base/logging.h"
- #include "base/memory/raw_ptr.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #include "third_party/icu/source/common/unicode/ucnv.h"
- #include "url/url_canon.h"
- #include "url/url_canon_stdstring.h"
- #include "url/url_test_utils.h"
- namespace url {
- namespace {
- // Wrapper around a UConverter object that managers creation and destruction.
- class UConvScoper {
- public:
- explicit UConvScoper(const char* charset_name) {
- UErrorCode err = U_ZERO_ERROR;
- converter_ = ucnv_open(charset_name, &err);
- if (!converter_) {
- LOG(ERROR) << "Failed to open charset " << charset_name << ": "
- << u_errorName(err);
- }
- }
- ~UConvScoper() {
- if (converter_)
- ucnv_close(converter_);
- }
- // Returns the converter object, may be NULL.
- UConverter* converter() const { return converter_; }
- private:
- raw_ptr<UConverter> converter_;
- };
- TEST(URLCanonIcuTest, ICUCharsetConverter) {
- struct ICUCase {
- const wchar_t* input;
- const char* encoding;
- const char* expected;
- } icu_cases[] = {
- // UTF-8.
- {L"Hello, world", "utf-8", "Hello, world"},
- {L"\x4f60\x597d", "utf-8", "\xe4\xbd\xa0\xe5\xa5\xbd"},
- // Non-BMP UTF-8.
- {L"!\xd800\xdf00!", "utf-8", "!\xf0\x90\x8c\x80!"},
- // Big5
- {L"\x4f60\x597d", "big5", "\xa7\x41\xa6\x6e"},
- // Unrepresentable character in the destination set.
- {L"hello\x4f60\x06de\x597dworld", "big5",
- "hello\xa7\x41%26%231758%3B\xa6\x6eworld"},
- };
- for (size_t i = 0; i < std::size(icu_cases); i++) {
- UConvScoper conv(icu_cases[i].encoding);
- ASSERT_TRUE(conv.converter() != NULL);
- ICUCharsetConverter converter(conv.converter());
- std::string str;
- StdStringCanonOutput output(&str);
- std::u16string input_str(
- test_utils::TruncateWStringToUTF16(icu_cases[i].input));
- int input_len = static_cast<int>(input_str.length());
- converter.ConvertFromUTF16(input_str.c_str(), input_len, &output);
- output.Complete();
- EXPECT_STREQ(icu_cases[i].expected, str.c_str());
- }
- // Test string sizes around the resize boundary for the output to make sure
- // the converter resizes as needed.
- const int static_size = 16;
- UConvScoper conv("utf-8");
- ASSERT_TRUE(conv.converter());
- ICUCharsetConverter converter(conv.converter());
- for (int i = static_size - 2; i <= static_size + 2; i++) {
- // Make a string with the appropriate length.
- std::u16string input;
- for (int ch = 0; ch < i; ch++)
- input.push_back('a');
- RawCanonOutput<static_size> output;
- converter.ConvertFromUTF16(input.c_str(), static_cast<int>(input.length()),
- &output);
- EXPECT_EQ(input.length(), output.length());
- }
- }
- TEST(URLCanonIcuTest, QueryWithConverter) {
- struct QueryCase {
- const char* input8;
- const wchar_t* input16;
- const char* encoding;
- const char* expected;
- } query_cases[] = {
- // Regular ASCII case in some different encodings.
- {"foo=bar", L"foo=bar", "utf-8", "?foo=bar"},
- {"foo=bar", L"foo=bar", "shift_jis", "?foo=bar"},
- {"foo=bar", L"foo=bar", "gb2312", "?foo=bar"},
- // Chinese input/output
- {"q=\xe4\xbd\xa0\xe5\xa5\xbd", L"q=\x4f60\x597d", "gb2312",
- "?q=%C4%E3%BA%C3"},
- {"q=\xe4\xbd\xa0\xe5\xa5\xbd", L"q=\x4f60\x597d", "big5", "?q=%A7A%A6n"},
- // Unencodable character in the destination character set should be
- // escaped. The escape sequence unescapes to be the entity name:
- // "?q=你"
- {"q=Chinese\xef\xbc\xa7", L"q=Chinese\xff27", "iso-8859-1",
- "?q=Chinese%26%2365319%3B"},
- };
- for (size_t i = 0; i < std::size(query_cases); i++) {
- Component out_comp;
- UConvScoper conv(query_cases[i].encoding);
- ASSERT_TRUE(!query_cases[i].encoding || conv.converter());
- ICUCharsetConverter converter(conv.converter());
- if (query_cases[i].input8) {
- int len = static_cast<int>(strlen(query_cases[i].input8));
- Component in_comp(0, len);
- std::string out_str;
- StdStringCanonOutput output(&out_str);
- CanonicalizeQuery(query_cases[i].input8, in_comp, &converter, &output,
- &out_comp);
- output.Complete();
- EXPECT_EQ(query_cases[i].expected, out_str);
- }
- if (query_cases[i].input16) {
- std::u16string input16(
- test_utils::TruncateWStringToUTF16(query_cases[i].input16));
- int len = static_cast<int>(input16.length());
- Component in_comp(0, len);
- std::string out_str;
- StdStringCanonOutput output(&out_str);
- CanonicalizeQuery(input16.c_str(), in_comp, &converter, &output,
- &out_comp);
- output.Complete();
- EXPECT_EQ(query_cases[i].expected, out_str);
- }
- }
- // Extra test for input with embedded NULL;
- std::string out_str;
- StdStringCanonOutput output(&out_str);
- Component out_comp;
- CanonicalizeQuery("a \x00z\x01", Component(0, 5), NULL, &output, &out_comp);
- output.Complete();
- EXPECT_EQ("?a%20%00z%01", out_str);
- }
- } // namespace
- } // namespace url
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