Index: ui/gfx/quad_unittest.cc |
diff --git a/ui/gfx/quad_unittest.cc b/ui/gfx/quad_unittest.cc |
deleted file mode 100644 |
index 8859a0e6972d7f75be0aaf1af99e2a85269857d9..0000000000000000000000000000000000000000 |
--- a/ui/gfx/quad_unittest.cc |
+++ /dev/null |
@@ -1,360 +0,0 @@ |
-// Copyright (c) 2012 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 "ui/gfx/quad_f.h" |
- |
-#include "base/basictypes.h" |
-#include "testing/gtest/include/gtest/gtest.h" |
-#include "ui/gfx/rect_f.h" |
- |
-namespace gfx { |
- |
-TEST(QuadTest, Construction) { |
- // Verify constructors. |
- PointF a(1, 1); |
- PointF b(2, 1); |
- PointF c(2, 2); |
- PointF d(1, 2); |
- PointF e; |
- QuadF q1; |
- QuadF q2(e, e, e, e); |
- QuadF q3(a, b, c, d); |
- QuadF q4(BoundingRect(a, c)); |
- EXPECT_EQ(q1.ToString(), q2.ToString()); |
- EXPECT_EQ(q3.ToString(), q4.ToString()); |
- |
- // Verify getters. |
- EXPECT_EQ(q3.p1().ToString(), a.ToString()); |
- EXPECT_EQ(q3.p2().ToString(), b.ToString()); |
- EXPECT_EQ(q3.p3().ToString(), c.ToString()); |
- EXPECT_EQ(q3.p4().ToString(), d.ToString()); |
- |
- // Verify setters. |
- q3.set_p1(b); |
- q3.set_p2(c); |
- q3.set_p3(d); |
- q3.set_p4(a); |
- EXPECT_EQ(q3.p1().ToString(), b.ToString()); |
- EXPECT_EQ(q3.p2().ToString(), c.ToString()); |
- EXPECT_EQ(q3.p3().ToString(), d.ToString()); |
- EXPECT_EQ(q3.p4().ToString(), a.ToString()); |
- |
- // Verify operator=(Rect) |
- EXPECT_NE(q1.ToString(), q4.ToString()); |
- q1 = BoundingRect(a, c); |
- EXPECT_EQ(q1.ToString(), q4.ToString()); |
- |
- // Verify operator=(Quad) |
- EXPECT_NE(q1.ToString(), q3.ToString()); |
- q1 = q3; |
- EXPECT_EQ(q1.ToString(), q3.ToString()); |
-} |
- |
-TEST(QuadTest, AddingVectors) { |
- PointF a(1, 1); |
- PointF b(2, 1); |
- PointF c(2, 2); |
- PointF d(1, 2); |
- Vector2dF v(3.5f, -2.5f); |
- |
- QuadF q1(a, b, c, d); |
- QuadF added = q1 + v; |
- q1 += v; |
- QuadF expected1(PointF(4.5f, -1.5f), |
- PointF(5.5f, -1.5f), |
- PointF(5.5f, -0.5f), |
- PointF(4.5f, -0.5f)); |
- EXPECT_EQ(expected1.ToString(), added.ToString()); |
- EXPECT_EQ(expected1.ToString(), q1.ToString()); |
- |
- QuadF q2(a, b, c, d); |
- QuadF subtracted = q2 - v; |
- q2 -= v; |
- QuadF expected2(PointF(-2.5f, 3.5f), |
- PointF(-1.5f, 3.5f), |
- PointF(-1.5f, 4.5f), |
- PointF(-2.5f, 4.5f)); |
- EXPECT_EQ(expected2.ToString(), subtracted.ToString()); |
- EXPECT_EQ(expected2.ToString(), q2.ToString()); |
- |
- QuadF q3(a, b, c, d); |
- q3 += v; |
- q3 -= v; |
- EXPECT_EQ(QuadF(a, b, c, d).ToString(), q3.ToString()); |
- EXPECT_EQ(q3.ToString(), (q3 + v - v).ToString()); |
-} |
- |
-TEST(QuadTest, IsRectilinear) { |
- PointF a(1, 1); |
- PointF b(2, 1); |
- PointF c(2, 2); |
- PointF d(1, 2); |
- Vector2dF v(3.5f, -2.5f); |
- |
- EXPECT_TRUE(QuadF().IsRectilinear()); |
- EXPECT_TRUE(QuadF(a, b, c, d).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a, b, c, d) + v).IsRectilinear()); |
- |
- float epsilon = std::numeric_limits<float>::epsilon(); |
- PointF a2(1 + epsilon / 2, 1 + epsilon / 2); |
- PointF b2(2 + epsilon / 2, 1 + epsilon / 2); |
- PointF c2(2 + epsilon / 2, 2 + epsilon / 2); |
- PointF d2(1 + epsilon / 2, 2 + epsilon / 2); |
- EXPECT_TRUE(QuadF(a2, b, c, d).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a2, b, c, d) + v).IsRectilinear()); |
- EXPECT_TRUE(QuadF(a, b2, c, d).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a, b2, c, d) + v).IsRectilinear()); |
- EXPECT_TRUE(QuadF(a, b, c2, d).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a, b, c2, d) + v).IsRectilinear()); |
- EXPECT_TRUE(QuadF(a, b, c, d2).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a, b, c, d2) + v).IsRectilinear()); |
- |
- struct { |
- PointF a_off, b_off, c_off, d_off; |
- } tests[] = { |
- { |
- PointF(1, 1.00001f), |
- PointF(2, 1.00001f), |
- PointF(2, 2.00001f), |
- PointF(1, 2.00001f) |
- }, |
- { |
- PointF(1.00001f, 1), |
- PointF(2.00001f, 1), |
- PointF(2.00001f, 2), |
- PointF(1.00001f, 2) |
- }, |
- { |
- PointF(1.00001f, 1.00001f), |
- PointF(2.00001f, 1.00001f), |
- PointF(2.00001f, 2.00001f), |
- PointF(1.00001f, 2.00001f) |
- }, |
- { |
- PointF(1, 0.99999f), |
- PointF(2, 0.99999f), |
- PointF(2, 1.99999f), |
- PointF(1, 1.99999f) |
- }, |
- { |
- PointF(0.99999f, 1), |
- PointF(1.99999f, 1), |
- PointF(1.99999f, 2), |
- PointF(0.99999f, 2) |
- }, |
- { |
- PointF(0.99999f, 0.99999f), |
- PointF(1.99999f, 0.99999f), |
- PointF(1.99999f, 1.99999f), |
- PointF(0.99999f, 1.99999f) |
- } |
- }; |
- |
- for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) { |
- PointF a_off = tests[i].a_off; |
- PointF b_off = tests[i].b_off; |
- PointF c_off = tests[i].c_off; |
- PointF d_off = tests[i].d_off; |
- |
- EXPECT_FALSE(QuadF(a_off, b, c, d).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a_off, b, c, d) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a, b_off, c, d).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a, b_off, c, d) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a, b, c_off, d).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a, b, c_off, d) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a, b, c, d_off).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a, b, c, d_off) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a_off, b, c_off, d).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a_off, b, c_off, d) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a, b_off, c, d_off).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a, b_off, c, d_off) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a, b_off, c_off, d_off).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a, b_off, c_off, d_off) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a_off, b, c_off, d_off).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a_off, b, c_off, d_off) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a_off, b_off, c, d_off).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a_off, b_off, c, d_off) + v).IsRectilinear()); |
- EXPECT_FALSE(QuadF(a_off, b_off, c_off, d).IsRectilinear()); |
- EXPECT_FALSE((QuadF(a_off, b_off, c_off, d) + v).IsRectilinear()); |
- EXPECT_TRUE(QuadF(a_off, b_off, c_off, d_off).IsRectilinear()); |
- EXPECT_TRUE((QuadF(a_off, b_off, c_off, d_off) + v).IsRectilinear()); |
- } |
-} |
- |
-TEST(QuadTest, IsCounterClockwise) { |
- PointF a1(1, 1); |
- PointF b1(2, 1); |
- PointF c1(2, 2); |
- PointF d1(1, 2); |
- EXPECT_FALSE(QuadF(a1, b1, c1, d1).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(b1, c1, d1, a1).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(a1, d1, c1, b1).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(c1, b1, a1, d1).IsCounterClockwise()); |
- |
- // Slightly more complicated quads should work just as easily. |
- PointF a2(1.3f, 1.4f); |
- PointF b2(-0.7f, 4.9f); |
- PointF c2(1.8f, 6.2f); |
- PointF d2(2.1f, 1.6f); |
- EXPECT_TRUE(QuadF(a2, b2, c2, d2).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(b2, c2, d2, a2).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(a2, d2, c2, b2).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(c2, b2, a2, d2).IsCounterClockwise()); |
- |
- // Quads with 3 collinear points should work correctly, too. |
- PointF a3(0, 0); |
- PointF b3(1, 0); |
- PointF c3(2, 0); |
- PointF d3(1, 1); |
- EXPECT_FALSE(QuadF(a3, b3, c3, d3).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(b3, c3, d3, a3).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(a3, d3, c3, b3).IsCounterClockwise()); |
- // The next expectation in particular would fail for an implementation |
- // that incorrectly uses only a cross product of the first 3 vertices. |
- EXPECT_TRUE(QuadF(c3, b3, a3, d3).IsCounterClockwise()); |
- |
- // Non-convex quads should work correctly, too. |
- PointF a4(0, 0); |
- PointF b4(1, 1); |
- PointF c4(2, 0); |
- PointF d4(1, 3); |
- EXPECT_FALSE(QuadF(a4, b4, c4, d4).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(b4, c4, d4, a4).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(a4, d4, c4, b4).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(c4, b4, a4, d4).IsCounterClockwise()); |
- |
- // A quad with huge coordinates should not fail this check due to |
- // single-precision overflow. |
- PointF a5(1e30f, 1e30f); |
- PointF b5(1e35f, 1e30f); |
- PointF c5(1e35f, 1e35f); |
- PointF d5(1e30f, 1e35f); |
- EXPECT_FALSE(QuadF(a5, b5, c5, d5).IsCounterClockwise()); |
- EXPECT_FALSE(QuadF(b5, c5, d5, a5).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(a5, d5, c5, b5).IsCounterClockwise()); |
- EXPECT_TRUE(QuadF(c5, b5, a5, d5).IsCounterClockwise()); |
-} |
- |
-TEST(QuadTest, BoundingBox) { |
- RectF r(3.2f, 5.4f, 7.007f, 12.01f); |
- EXPECT_EQ(r.ToString(), QuadF(r).BoundingBox().ToString()); |
- |
- PointF a(1.3f, 1.4f); |
- PointF b(-0.7f, 4.9f); |
- PointF c(1.8f, 6.2f); |
- PointF d(2.1f, 1.6f); |
- float left = -0.7f; |
- float top = 1.4f; |
- float right = 2.1f; |
- float bottom = 6.2f; |
- EXPECT_EQ(RectF(left, top, right - left, bottom - top).ToString(), |
- QuadF(a, b, c, d).BoundingBox().ToString()); |
-} |
- |
-TEST(QuadTest, ContainsPoint) { |
- PointF a(1.3f, 1.4f); |
- PointF b(-0.8f, 4.4f); |
- PointF c(1.8f, 6.1f); |
- PointF d(2.1f, 1.6f); |
- |
- Vector2dF epsilon_x(2 * std::numeric_limits<float>::epsilon(), 0); |
- Vector2dF epsilon_y(0, 2 * std::numeric_limits<float>::epsilon()); |
- |
- Vector2dF ac_center = c - a; |
- ac_center.Scale(0.5f); |
- Vector2dF bd_center = d - b; |
- bd_center.Scale(0.5f); |
- |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(a + ac_center)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(b + bd_center)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(c - ac_center)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(d - bd_center)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(a - ac_center)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(b - bd_center)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(c + ac_center)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(d + bd_center)); |
- |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(a)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(a - epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(a - epsilon_y)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(a + epsilon_x)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(a + epsilon_y)); |
- |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(b)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(b - epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(b - epsilon_y)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(b + epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(b + epsilon_y)); |
- |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(c)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(c - epsilon_x)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(c - epsilon_y)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(c + epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(c + epsilon_y)); |
- |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(d)); |
- EXPECT_TRUE(QuadF(a, b, c, d).Contains(d - epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(d - epsilon_y)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(d + epsilon_x)); |
- EXPECT_FALSE(QuadF(a, b, c, d).Contains(d + epsilon_y)); |
- |
- // Test a simple square. |
- PointF s1(-1, -1); |
- PointF s2(1, -1); |
- PointF s3(1, 1); |
- PointF s4(-1, 1); |
- // Top edge. |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.1f, -1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, -1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(0.0f, -1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, -1.0f))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(1.1f, -1.0f))); |
- // Bottom edge. |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.1f, 1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, 1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(0.0f, 1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, 1.0f))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(1.1f, 1.0f))); |
- // Left edge. |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, -1.1f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, -1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, 0.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, 1.0f))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.0f, 1.1f))); |
- // Right edge. |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, -1.1f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, -1.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, 0.0f))); |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, 1.0f))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(1.0f, 1.1f))); |
- // Centered inside. |
- EXPECT_TRUE(QuadF(s1, s2, s3, s4).Contains(PointF(0, 0))); |
- // Centered outside. |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(-1.1f, 0))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(1.1f, 0))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(0, -1.1f))); |
- EXPECT_FALSE(QuadF(s1, s2, s3, s4).Contains(PointF(0, 1.1f))); |
-} |
- |
-TEST(QuadTest, Scale) { |
- PointF a(1.3f, 1.4f); |
- PointF b(-0.8f, 4.4f); |
- PointF c(1.8f, 6.1f); |
- PointF d(2.1f, 1.6f); |
- QuadF q1(a, b, c, d); |
- q1.Scale(1.5f); |
- |
- PointF a_scaled = ScalePoint(a, 1.5f); |
- PointF b_scaled = ScalePoint(b, 1.5f); |
- PointF c_scaled = ScalePoint(c, 1.5f); |
- PointF d_scaled = ScalePoint(d, 1.5f); |
- EXPECT_EQ(q1.ToString(), |
- QuadF(a_scaled, b_scaled, c_scaled, d_scaled).ToString()); |
- |
- QuadF q2; |
- q2.Scale(1.5f); |
- EXPECT_EQ(q2.ToString(), q2.ToString()); |
-} |
- |
-} // namespace gfx |