Sunny Goyal
62 lines
1.7 KiB
Java
62 lines
1.7 KiB
Java
package com.android.launcher3.util;
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import android.test.suitebuilder.annotation.SmallTest;
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import junit.framework.TestCase;
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/**
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* Unit tests for {@link GridOccupancy}
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*/
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@SmallTest
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public class GridOccupancyTest extends TestCase {
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public void testFindVacantCell() {
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GridOccupancy grid = initGrid(4,
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1, 1, 1, 0, 0,
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0, 0, 1, 1, 0,
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0, 0, 0, 0, 0,
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1, 1, 0, 0, 0
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);
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int[] vacant = new int[2];
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assertTrue(grid.findVacantCell(vacant, 2, 2));
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assertEquals(vacant[0], 0);
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assertEquals(vacant[1], 1);
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assertTrue(grid.findVacantCell(vacant, 3, 2));
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assertEquals(vacant[0], 2);
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assertEquals(vacant[1], 2);
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assertFalse(grid.findVacantCell(vacant, 3, 3));
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}
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public void testIsRegionVacant() {
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GridOccupancy grid = initGrid(4,
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1, 1, 1, 0, 0,
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0, 0, 1, 1, 0,
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0, 0, 0, 0, 0,
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1, 1, 0, 0, 0
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);
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assertTrue(grid.isRegionVacant(4, 0, 1, 4));
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assertTrue(grid.isRegionVacant(0, 1, 2, 2));
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assertTrue(grid.isRegionVacant(2, 2, 3, 2));
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assertFalse(grid.isRegionVacant(3, 0, 2, 4));
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assertFalse(grid.isRegionVacant(0, 0, 2, 1));
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}
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private GridOccupancy initGrid(int rows, int... cells) {
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int cols = cells.length / rows;
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int i = 0;
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GridOccupancy grid = new GridOccupancy(cols, rows);
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for (int y = 0; y < rows; y++) {
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for (int x = 0; x < cols; x++) {
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grid.cells[x][y] = cells[i] != 0;
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i++;
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}
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}
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return grid;
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}
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}
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