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// Copyright 2013 The Chromium Authors
// 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/platform/media/cache_util.h"
#include <stddef.h>
#include <stdint.h>
#include <array>
#include <string>
#include "base/format_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url_response.h"
namespace blink {
// Inputs & expected output for GetReasonsForUncacheability.
struct GRFUTestCase {
WebURLResponse::HTTPVersion version;
int status_code;
const char* headers;
uint32_t expected_reasons;
};
// Create a new WebURLResponse object.
static WebURLResponse CreateResponse(const GRFUTestCase& test) {
WebURLResponse response;
response.SetHttpVersion(test.version);
response.SetHttpStatusCode(test.status_code);
for (const std::string& line :
base::SplitString(test.headers, "\n", base::KEEP_WHITESPACE,
base::SPLIT_WANT_NONEMPTY)) {
size_t colon = line.find(": ");
response.AddHttpHeaderField(WebString::FromUTF8(line.substr(0, colon)),
WebString::FromUTF8(line.substr(colon + 2)));
}
return response;
}
TEST(CacheUtilTest, GetReasonsForUncacheability) {
enum { kNoReasons = 0 };
const auto tests = std::to_array<GRFUTestCase>({
{WebURLResponse::kHTTPVersion_1_1, 206, "ETag: 'fooblort'", kNoReasons},
{WebURLResponse::kHTTPVersion_1_1, 206, "",
kNoStrongValidatorOnPartialResponse},
{WebURLResponse::kHTTPVersion_1_0, 206, "",
kPre11PartialResponse | kNoStrongValidatorOnPartialResponse},
{WebURLResponse::kHTTPVersion_1_1, 200, "cache-control: max-Age=42",
kShortMaxAge},
{WebURLResponse::kHTTPVersion_1_1, 200, "cache-control: max-Age=4200",
kNoReasons},
{WebURLResponse::kHTTPVersion_1_1, 200,
"Date: Tue, 22 May 2012 23:46:08 GMT\n"
"Expires: Tue, 22 May 2012 23:56:08 GMT",
kExpiresTooSoon},
{WebURLResponse::kHTTPVersion_1_1, 200, "cache-control: must-revalidate",
kHasMustRevalidate},
{WebURLResponse::kHTTPVersion_1_1, 200, "cache-control: no-cache",
kNoCache},
{WebURLResponse::kHTTPVersion_1_1, 200, "cache-control: no-store",
kNoStore},
{WebURLResponse::kHTTPVersion_1_1, 200,
"cache-control: no-cache\ncache-control: no-store", kNoCache | kNoStore},
});
for (size_t i = 0; i < std::size(tests); ++i) {
SCOPED_TRACE(base::StringPrintf("case: %" PRIuS
", version: %d, code: %d, headers: %s",
i, tests[i].version, tests[i].status_code,
tests[i].headers));
EXPECT_EQ(GetReasonsForUncacheability(CreateResponse(tests[i])),
tests[i].expected_reasons);
}
}
} // namespace blink
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