33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
package com.projectsacrifice.game;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import org.junit.Test;
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public final class GameMathTest {
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@Test
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public void intersectionTreatsTouchingEdgesAsNonOverlap() {
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assertFalse(GameMath.intersects(0, 0, 10, 10, 10, 0, 10, 10));
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assertTrue(GameMath.intersects(0, 0, 10, 10, 9.9f, 0, 10, 10));
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}
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@Test
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public void pingPongIsDeterministicAndBounded() {
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assertEquals(0f, GameMath.pingPong(0f, 4f), 0.0001f);
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assertEquals(1f, GameMath.pingPong(2f, 4f), 0.0001f);
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assertEquals(0f, GameMath.pingPong(4f, 4f), 0.0001f);
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for (int i = 0; i < 100; i++) {
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float value = GameMath.pingPong(i * 0.13f, 3.7f);
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assertTrue(value >= 0f && value <= 1f);
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}
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}
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@Test
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public void timeFormattingIsStable() {
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assertEquals("00:00", GameMath.formatTime(999));
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assertEquals("01:05", GameMath.formatTime(65_000));
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}
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}
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