37     static int constexpr kHeight = 29;  member
39     std::array<uint32_t, kHeight * kStride> buffer;
40     Rect const whole_area{0, 0, kWidth, kHeight};
45     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, whole_area),  in TEST_F()
51     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, whole_area),  in TEST_F()
56     auto const halfway_down = kHeight >> 1;  in TEST_F()
62     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, partial_region),  in TEST_F()
72     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, whole_area),  in TEST_F()
80     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, whole_area),  in TEST_F()
86                   [n = 0]() mutable { return (n++ > (kStride * kHeight >> 1)) ? kBlack : kWhite; });  in TEST_F()
88     Rect invalid_region{0, 0, 4, kHeight + 1};  in TEST_F()
89     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, invalid_region),  in TEST_F()
92     invalid_region = Rect{0, 0, -4, kHeight};  in TEST_F()
93     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, invalid_region),  in TEST_F()
97     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, invalid_region),  in TEST_F()
101     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, kOrientation, invalid_region),  in TEST_F()
108                   [n = 0]() mutable { return (n++ > (kStride * kHeight >> 1)) ? kBlack : kWhite; });  in TEST_F()
111     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,  in TEST_F()
114     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,  in TEST_F()
117     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,  in TEST_F()
120     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,  in TEST_F()
124     Rect br_region{kWidth - 4, kHeight - 4, kWidth, kHeight};  in TEST_F()
125     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_0,  in TEST_F()
128     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_180,  in TEST_F()
131     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_90,  in TEST_F()
134     EXPECT_THAT(sampleArea(buffer.data(), kWidth, kHeight, kStride, ui::Transform::ROT_270,  in TEST_F()