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// Copyright 2017 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/graphics/paint_invalidation_reason.h"
#include <sstream>
#include "base/functional/function_ref.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace {
using ReasonFunction = base::FunctionRef<void(PaintInvalidationReason)>;
PaintInvalidationReason NextReason(PaintInvalidationReason r) {
return static_cast<PaintInvalidationReason>(static_cast<unsigned>(r) + 1);
}
void ForReasons(PaintInvalidationReason min,
PaintInvalidationReason max,
ReasonFunction f) {
for (auto i = min; i <= max; i = NextReason(i))
f(i);
}
TEST(PaintInvalidationReasonTest, ToString) {
ForReasons(PaintInvalidationReason::kNone, PaintInvalidationReason::kMax,
[](PaintInvalidationReason r) {
EXPECT_STRNE("", PaintInvalidationReasonToString(r));
});
EXPECT_STREQ("none",
PaintInvalidationReasonToString(PaintInvalidationReason::kNone));
EXPECT_STREQ("geometry", PaintInvalidationReasonToString(
PaintInvalidationReason::kLayout));
}
TEST(PaintInvalidationReasonTest, IsFullGeometryPaintInvalidationReason) {
ForReasons(PaintInvalidationReason::kNone,
PaintInvalidationReason::kNonFullMax,
[](PaintInvalidationReason r) {
EXPECT_FALSE(IsFullPaintInvalidationReason(r));
EXPECT_FALSE(IsNonLayoutFullPaintInvalidationReason(r));
EXPECT_FALSE(IsLayoutFullPaintInvalidationReason(r));
});
ForReasons(NextReason(PaintInvalidationReason::kNonFullMax),
PaintInvalidationReason::kNonLayoutMax,
[](PaintInvalidationReason r) {
EXPECT_TRUE(IsFullPaintInvalidationReason(r));
EXPECT_TRUE(IsNonLayoutFullPaintInvalidationReason(r));
EXPECT_FALSE(IsLayoutFullPaintInvalidationReason(r));
});
ForReasons(NextReason(PaintInvalidationReason::kNonLayoutMax),
PaintInvalidationReason::kLayoutMax,
[](PaintInvalidationReason r) {
EXPECT_TRUE(IsFullPaintInvalidationReason(r));
EXPECT_FALSE(IsNonLayoutFullPaintInvalidationReason(r));
EXPECT_TRUE(IsLayoutFullPaintInvalidationReason(r));
});
ForReasons(NextReason(PaintInvalidationReason::kLayoutMax),
PaintInvalidationReason::kMax, [](PaintInvalidationReason r) {
EXPECT_TRUE(IsFullPaintInvalidationReason(r));
EXPECT_FALSE(IsNonLayoutFullPaintInvalidationReason(r));
EXPECT_FALSE(IsLayoutFullPaintInvalidationReason(r));
});
}
} // namespace
} // namespace blink
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