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137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#include "common/gsvector.h"
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#include <gtest/gtest.h>
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TEST(Rectangle, AdjacentRectanglesNotIntersecting)
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{
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GSVector4i r1(0, 0, 10, 10);
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GSVector4i r2(10, 10, 20, 20);
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ASSERT_FALSE(r1.rintersects(r2));
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}
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TEST(Rectangle, IntersectingRectanglesIntersecting)
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{
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GSVector4i r1(0, 0, 10, 10);
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GSVector4i r2(9, 9, 14, 14);
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ASSERT_TRUE(r1.rintersects(r2));
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ASSERT_TRUE(r2.rintersects(r1));
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}
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TEST(Rectangle, PointContainedInRectangle)
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{
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GSVector4i r1(0, 0, 10, 10);
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GSVector4i r2(5, 5, 6, 6);
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ASSERT_TRUE(r1.rcontains(r2));
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}
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TEST(Rectangle, PointOutsideRectangleNotContained)
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{
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GSVector4i r1(0, 0, 10, 10);
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GSVector4i r2(10, 10, 11, 11);
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ASSERT_FALSE(r1.rcontains(r2));
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}
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TEST(Rectangle, RectangleSize)
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{
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GSVector4i r(0, 0, 10, 10);
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ASSERT_EQ(r.width(), 10);
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ASSERT_EQ(r.height(), 10);
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}
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TEST(Rectangle, IncludeAfterInvalid)
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{
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GSVector4i r(0, 0, 1, 1);
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GSVector4i r2(5, 5, 10, 10);
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GSVector4i ru(0, 0, 10, 10);
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ASSERT_TRUE(r.runion(r2).eq(ru));
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}
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TEST(Rectangle, EmptyRectangleHasNoExtents)
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{
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GSVector4i r(0, 0, 0, 0);
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ASSERT_EQ(r.width(), 0);
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ASSERT_EQ(r.height(), 0);
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ASSERT_TRUE(r.rempty());
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}
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TEST(Rectangle, NonEmptyRectangleHasExtents)
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{
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GSVector4i r(0, 0, 1, 1);
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ASSERT_EQ(r.width(), 1);
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ASSERT_EQ(r.height(), 1);
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ASSERT_FALSE(r.rempty());
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}
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TEST(Rectangle, RelationalOperators)
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{
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GSVector4i r1(0, 0, 1, 1);
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GSVector4i r2(1, 1, 2, 2);
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ASSERT_TRUE(r1.eq(r1));
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ASSERT_TRUE(r1.lt32(r2).alltrue());
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ASSERT_TRUE(r2.eq(r2));
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ASSERT_TRUE(r2.gt32(r1).alltrue());
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ASSERT_FALSE(r2.lt32(r1).alltrue());
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ASSERT_FALSE(r1.eq(r2));
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}
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TEST(Rectangle, ValidRectangles)
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{
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static constexpr GSVector4i cases[] = {
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GSVector4i::cxpr(1, 2, 3, 4),
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GSVector4i::cxpr(-5, -10, -1, -2),
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GSVector4i::cxpr(0, 0, 1, 1),
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GSVector4i::cxpr(100, 200, 300, 400),
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GSVector4i::cxpr(-1000, -2000, 500, 600),
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GSVector4i::cxpr(5, 10, 6, 12),
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GSVector4i::cxpr(-10, -20, -5, -15),
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GSVector4i::cxpr(-5, 0, 5, 10),
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GSVector4i::cxpr(-100, -200, 100, 200),
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GSVector4i::cxpr(-1, -2, 0, 1),
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};
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for (GSVector4i tcase : cases)
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{
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ASSERT_TRUE(tcase.rvalid());
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ASSERT_FALSE(tcase.rempty());
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}
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}
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TEST(Rectangle, InvalidRectangles)
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{
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static constexpr GSVector4i cases[] = {
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// left < right but not top < bottom
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GSVector4i::cxpr(1, 4, 3, 2),
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GSVector4i::cxpr(-5, -2, -1, -10),
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GSVector4i::cxpr(0, 1, 1, 0),
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GSVector4i::cxpr(100, 400, 300, 200),
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GSVector4i::cxpr(-1000, 600, 500, -2000),
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GSVector4i::cxpr(5, 12, 6, 10),
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GSVector4i::cxpr(-10, -15, -5, -20),
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GSVector4i::cxpr(-5, 10, 5, 0),
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GSVector4i::cxpr(-100, 200, 100, -200),
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GSVector4i::cxpr(-1, 1, 0, -2),
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// not left < right but top < bottom
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GSVector4i::cxpr(3, 2, 1, 4),
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GSVector4i::cxpr(-1, -10, -5, -2),
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GSVector4i::cxpr(1, 0, 0, 1),
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GSVector4i::cxpr(300, 200, 100, 400),
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GSVector4i::cxpr(500, -2000, -1000, 600),
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GSVector4i::cxpr(6, 10, 5, 12),
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GSVector4i::cxpr(-5, -20, -10, -15),
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GSVector4i::cxpr(5, 0, -5, 10),
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GSVector4i::cxpr(100, -200, -100, 200),
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GSVector4i::cxpr(0, -2, -1, 1),
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};
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for (GSVector4i tcase : cases)
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{
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ASSERT_FALSE(tcase.rvalid());
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ASSERT_TRUE(tcase.rempty());
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}
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}
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