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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/ax_bit_map.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
enum class SmallTestEnum {
kMinValue = 0,
kFirstValue = 0,
kMiddleValue = 30,
kLastValue = 63,
kMaxValue = 63,
};
enum class LargeTestEnum {
kMinValue = 0,
kFirstValue = 0,
kMiddleValue = 64,
kLastValue = 127,
kMaxValue = 127,
};
// A macro for testing that a absl::optional has both a value and that its value
// is set to a particular expectation.
#define EXPECT_OPTIONAL_EQ(expected, actual) \
EXPECT_TRUE(actual.has_value()); \
if (actual) { \
EXPECT_EQ(expected, actual.value()); \
}
// Tests a small enum (one that fits inside a single byte (aka kMaxValue <= 63).
TEST(AXBitMapTest, SmallEnum) {
AXBitMap<SmallTestEnum> map;
EXPECT_FALSE(map.Has(SmallTestEnum::kMinValue));
map.Set(SmallTestEnum::kMinValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kMinValue));
map.Set(SmallTestEnum::kMinValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(SmallTestEnum::kMinValue));
map.Unset(SmallTestEnum::kMinValue);
EXPECT_FALSE(map.Has(SmallTestEnum::kMinValue));
EXPECT_FALSE(map.Has(SmallTestEnum::kMiddleValue));
map.Set(SmallTestEnum::kMiddleValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kMiddleValue));
map.Set(SmallTestEnum::kMiddleValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(SmallTestEnum::kMiddleValue));
map.Unset(SmallTestEnum::kMiddleValue);
EXPECT_FALSE(map.Has(SmallTestEnum::kMiddleValue));
EXPECT_FALSE(map.Has(SmallTestEnum::kLastValue));
map.Set(SmallTestEnum::kLastValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kLastValue));
map.Set(SmallTestEnum::kLastValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(SmallTestEnum::kLastValue));
map.Unset(SmallTestEnum::kLastValue);
EXPECT_FALSE(map.Has(SmallTestEnum::kLastValue));
map.Set(SmallTestEnum::kMinValue, true);
map.Set(SmallTestEnum::kMiddleValue, true);
map.Set(SmallTestEnum::kLastValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kMinValue));
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kMiddleValue));
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kLastValue));
map.Set(SmallTestEnum::kLastValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(SmallTestEnum::kLastValue));
map.Unset(SmallTestEnum::kMinValue);
EXPECT_FALSE(map.Has(SmallTestEnum::kMinValue));
EXPECT_OPTIONAL_EQ(true, map.Has(SmallTestEnum::kMiddleValue));
}
// Tests a large enum (one that requires two bytes (aka kMaxValue <= 127).
TEST(AXBitMapTest, LargeEnum) {
AXBitMap<LargeTestEnum> map;
EXPECT_FALSE(map.Has(LargeTestEnum::kMinValue));
map.Set(LargeTestEnum::kMinValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kMinValue));
map.Set(LargeTestEnum::kMinValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(LargeTestEnum::kMinValue));
map.Unset(LargeTestEnum::kMinValue);
EXPECT_FALSE(map.Has(LargeTestEnum::kMinValue));
EXPECT_FALSE(map.Has(LargeTestEnum::kMiddleValue));
map.Set(LargeTestEnum::kMiddleValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kMiddleValue));
map.Set(LargeTestEnum::kMiddleValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(LargeTestEnum::kMiddleValue));
map.Unset(LargeTestEnum::kMiddleValue);
EXPECT_FALSE(map.Has(LargeTestEnum::kMiddleValue));
EXPECT_FALSE(map.Has(LargeTestEnum::kLastValue));
map.Set(LargeTestEnum::kLastValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kLastValue));
map.Set(LargeTestEnum::kLastValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(LargeTestEnum::kLastValue));
map.Unset(LargeTestEnum::kLastValue);
EXPECT_FALSE(map.Has(LargeTestEnum::kLastValue));
map.Set(LargeTestEnum::kMinValue, true);
map.Set(LargeTestEnum::kMiddleValue, true);
map.Set(LargeTestEnum::kLastValue, true);
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kMinValue));
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kMiddleValue));
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kLastValue));
map.Set(LargeTestEnum::kLastValue, false);
EXPECT_OPTIONAL_EQ(false, map.Has(LargeTestEnum::kLastValue));
map.Unset(LargeTestEnum::kMinValue);
EXPECT_FALSE(map.Has(LargeTestEnum::kMinValue));
EXPECT_OPTIONAL_EQ(true, map.Has(LargeTestEnum::kMiddleValue));
}
} // namespace ui
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