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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/tests/gtest/TestPolygon.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/tests/gtest/TestPolygon.cpp')
-rw-r--r--gfx/tests/gtest/TestPolygon.cpp143
1 files changed, 143 insertions, 0 deletions
diff --git a/gfx/tests/gtest/TestPolygon.cpp b/gfx/tests/gtest/TestPolygon.cpp
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+++ b/gfx/tests/gtest/TestPolygon.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+
+#include "PolygonTestUtils.h"
+
+#include "nsTArray.h"
+#include "Point.h"
+#include "Polygon.h"
+#include "Triangle.h"
+
+using namespace mozilla::gfx;
+
+TEST(Polygon3D, TriangulateRectangle)
+{
+ const Polygon3D p {
+ Point3D(0.0f, 0.0f, 1.0f),
+ Point3D(0.0f, 1.0f, 1.0f),
+ Point3D(1.0f, 1.0f, 1.0f),
+ Point3D(1.0f, 0.0f, 1.0f)
+ };
+
+ const nsTArray<Triangle> triangles = p.ToTriangles();
+ const nsTArray<Triangle> expected = {
+ Triangle(Point(0.0f, 0.0f), Point(0.0f, 1.0f), Point(1.0f, 1.0f)),
+ Triangle(Point(0.0f, 0.0f), Point(1.0f, 1.0f), Point(1.0f, 0.0f))
+ };
+
+ AssertArrayEQ(triangles, expected);
+}
+
+TEST(Polygon3D, TriangulatePentagon)
+{
+ const Polygon3D p {
+ Point3D(0.0f, 0.0f, 1.0f),
+ Point3D(0.0f, 1.0f, 1.0f),
+ Point3D(0.5f, 1.5f, 1.0f),
+ Point3D(1.0f, 1.0f, 1.0f),
+ Point3D(1.0f, 0.0f, 1.0f)
+ };
+
+ const nsTArray<Triangle> triangles = p.ToTriangles();
+ const nsTArray<Triangle> expected = {
+ Triangle(Point(0.0f, 0.0f), Point(0.0f, 1.0f), Point(0.5f, 1.5f)),
+ Triangle(Point(0.0f, 0.0f), Point(0.5f, 1.5f), Point(1.0f, 1.0f)),
+ Triangle(Point(0.0f, 0.0f), Point(1.0f, 1.0f), Point(1.0f, 0.0f))
+ };
+
+ AssertArrayEQ(triangles, expected);
+}
+
+TEST(Polygon3D, ClipRectangle)
+{
+ Polygon3D clipped, expected;
+
+ Polygon3D polygon {
+ Point3D(0.0f, 0.0f, 0.0f),
+ Point3D(0.0f, 1.0f, 0.0f),
+ Point3D(1.0f, 1.0f, 0.0f),
+ Point3D(1.0f, 0.0f, 0.0f)
+ };
+
+ clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 1.0f, 1.0f));
+ EXPECT_TRUE(clipped == polygon);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 0.8f, 0.8f));
+ expected = Polygon3D {
+ Point3D(0.0f, 0.0f, 0.0f),
+ Point3D(0.0f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.0f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.8f, 0.8f));
+ expected = Polygon3D {
+ Point3D(0.2f, 0.2f, 0.0f),
+ Point3D(0.2f, 1.0f, 0.0f),
+ Point3D(1.0f, 1.0f, 0.0f),
+ Point3D(1.0f, 0.2f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.6f, 0.6f));
+ expected = Polygon3D {
+ Point3D(0.2f, 0.2f, 0.0f),
+ Point3D(0.2f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.2f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+}
+
+TEST(Polygon3D, ClipTriangle)
+{
+ Polygon3D clipped, expected;
+ const Polygon3D polygon {
+ Point3D(0.0f, 0.0f, 0.0f),
+ Point3D(0.0f, 1.0f, 0.0f),
+ Point3D(1.0f, 1.0f, 0.0f)
+ };
+
+ clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 1.0f, 1.0f));
+ expected = Polygon3D {
+ Point3D(0.0f, 0.0f, 0.0f),
+ Point3D(0.0f, 1.0f, 0.0f),
+ Point3D(1.0f, 1.0f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.0f, 0.0f, 0.8f, 0.8f));
+ expected = Polygon3D {
+ Point3D(0.0f, 0.0f, 0.0f),
+ Point3D(0.0f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.8f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.8f, 0.8f));
+ expected = Polygon3D {
+ Point3D(0.2f, 0.2f, 0.0f),
+ Point3D(0.2f, 1.0f, 0.0f),
+ Point3D(1.0f, 1.0f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+
+
+ clipped = polygon.ClipPolygon(Rect(0.2f, 0.2f, 0.6f, 0.6f));
+ expected = Polygon3D {
+ Point3D(0.2f, 0.2f, 0.0f),
+ Point3D(0.2f, 0.8f, 0.0f),
+ Point3D(0.8f, 0.8f, 0.0f)
+ };
+ EXPECT_TRUE(clipped == expected);
+}