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// Copyright 2018 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/platform/graphics/placeholder_image.h"
#include <stdint.h>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_localized_string.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/renderer/platform/geometry/int_size.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
namespace {
class TestingUnitsPlatform : public TestingPlatformSupport {
public:
TestingUnitsPlatform() {}
~TestingUnitsPlatform() override;
WebString QueryLocalizedString(WebLocalizedString::Name name,
const WebString& parameter) override {
String p = parameter;
switch (name) {
case WebLocalizedString::kUnitsKibibytes:
return String(p + " KB");
case WebLocalizedString::kUnitsMebibytes:
return String(p + " MB");
case WebLocalizedString::kUnitsGibibytes:
return String(p + " GB");
case WebLocalizedString::kUnitsTebibytes:
return String(p + " TB");
case WebLocalizedString::kUnitsPebibytes:
return String(p + " PB");
default:
return WebString();
}
}
};
TestingUnitsPlatform::~TestingUnitsPlatform() = default;
class PlaceholderImageTest : public testing::Test {
private:
ScopedTestingPlatformSupport<TestingUnitsPlatform> platform_;
};
TEST_F(PlaceholderImageTest, FormatPlaceholderText) {
const struct {
int64_t bytes;
const char* expected;
} tests[] = {
// Placeholder image number format specifications:
// https://docs.google.com/document/d/1BHeA1azbgCdZgCnr16VN2g7A9MHPQ_dwKn5szh8evMQ/edit#heading=h.d135l9z7tn0a
{1, "1 KB"},
{500, "1 KB"},
{5 * 1024 + 200, "5 KB"},
{50 * 1024 + 200, "50 KB"},
{1000 * 1024 - 1, "999 KB"},
{1000 * 1024, "1 MB"},
{1024 * 1024 + 103 * 1024, "1.1 MB"},
{10 * 1024 * 1024, "10 MB"},
{10 * 1024 * 1024 + 103 * 1024, "10 MB"},
{1000 * 1024 * 1024 - 1, "999 MB"},
{1000 * 1024 * 1024, "1 GB"},
{1024 * 1024 * 1024, "1 GB"},
{(1LL << 50), "1 PB"},
{(1LL << 50) + 103 * (1LL << 40), "1.1 PB"},
{10 * (1LL << 50), "10 PB"},
{10 * (1LL << 50) + 103 * (1LL << 40), "10 PB"},
{~(1LL << 63), "8191 PB"},
};
for (const auto& test : tests) {
String expected = test.expected;
expected.Ensure16Bit();
EXPECT_EQ(expected,
PlaceholderImage::Create(nullptr, IntSize(400, 300), test.bytes)
->GetTextForTesting());
}
}
} // namespace
} // namespace blink
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