212     constexpr int kErrorMargin = 16;  in TEST_P()  local
214                             kErrorMargin);  in TEST_P()
216                             kErrorMargin);  in TEST_P()
218                             kErrorMargin);  in TEST_P()
220                             kErrorMargin);  in TEST_P()
222     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 - 2, kWindowHeight / 2 - 1, kSideColor, kErrorMargin);  in TEST_P()
223     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 - 2, kWindowHeight / 2, kSideColor, kErrorMargin);  in TEST_P()
224     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 - 1, kWindowHeight / 2 - 2, kSideColor, kErrorMargin);  in TEST_P()
225     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 - 1, kWindowHeight / 2 + 1, kSideColor, kErrorMargin);  in TEST_P()
226     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2, kWindowHeight / 2 - 2, kSideColor, kErrorMargin);  in TEST_P()
227     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2, kWindowHeight / 2 + 1, kSideColor, kErrorMargin);  in TEST_P()
228     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 + 1, kWindowHeight / 2 - 1, kSideColor, kErrorMargin);  in TEST_P()
229     EXPECT_PIXEL_COLOR_NEAR(kWindowWidth / 2 + 1, kWindowHeight / 2, kSideColor, kErrorMargin);  in TEST_P()
266     constexpr int kErrorMargin = 16;  in TEST_P()  local
272     EXPECT_PIXEL_COLOR_NEAR(4, 3, GLColor::red, kErrorMargin);  in TEST_P()
275     EXPECT_PIXEL_COLOR_NEAR(11, 4, GLColor::red, kErrorMargin);  in TEST_P()
310     constexpr int kErrorMargin = 64;  in TEST_P()  local
315         EXPECT_PIXEL_COLOR_NEAR(i, j, kMidRed, kErrorMargin);  in TEST_P()
376         constexpr int kErrorMargin = 16;  in TEST_P()  local
386             EXPECT_PIXEL_COLOR_NEAR(i, j, kMidRed, kErrorMargin);  in TEST_P()
395         constexpr int kErrorMargin = 16;  in TEST_P()  local
400         EXPECT_PIXEL_COLOR_NEAR(11, 4, GLColor::red, kErrorMargin);  in TEST_P()