Tue, 28 Jul 2020 14:44:48 +0200
adds solver test
package de.uapcore.sudoku; import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.*; class FieldTest { private int[] createTestdata() { return new int[]{ 0,1,0,9,0,0,8,0,0, 0,0,0,0,0,8,0,0,4, 6,0,5,0,0,0,7,0,0, 0,9,0,0,6,0,0,0,8, 0,0,0,2,0,7,0,0,0, 8,0,0,0,3,0,0,6,0, 0,0,2,0,0,0,5,0,3, 1,0,0,4,0,0,0,0,0, 0,0,6,0,0,2,0,1,0}; } private Field createTestField() { final var field = new Field(); final var testdata = createTestdata(); for (int x = 0 ; x < 9 ; x++) { for (int y = 0 ; y < 9 ; y++) { field.setCellValue(x, y, testdata[x+9*y]); } } return field; } @Test void getAndSetValues() { final var f = new Field(); assertEquals(0, f.getCellValue(3, 4)); assertTrue(f.isCellEmpty(3, 4)); f.setCellValue(3, 4, 6); assertEquals(6, 3, 4); assertFalse(f.isCellEmpty(3, 4)); } @Test void setAllCellsModified() { final var f = new Field(); assertFalse(f.isAnyCellModified()); f.setAllCellsModified(true); for (int x = 0 ; x < 9 ; x++) { for (int y = 0 ; y < 9 ; y++) { assertTrue(f.isCellModified(x, y)); } } f.setAllCellsModified(false); assertFalse(f.isAnyCellModified()); } @Test void isAnyCellModified() { final var f = new Field(); assertFalse(f.isAnyCellModified()); f.setCellValue(3, 4, 6); assertFalse(f.isAnyCellModified()); f.setCellModified(3, 4, true); assertTrue(f.isAnyCellModified()); } @Test void clear() { final var f = new Field(); f.setCellValue(3, 4, 6); f.setCellValue(2, 5, 9); f.clear(); for (int x = 0 ; x < 9 ; x++) { for (int y = 0 ; y < 9 ; y++) { assertTrue(f.isCellEmpty(x, y)); } } } @Test void getSquare() { final var field = createTestField(); final var square01 = new int[][]{ new int[]{0,0,8}, new int[]{9,0,0}, new int[]{0,0,0}}; final var square01actual = field.getSquare(0, 1); assertEquals(3, square01actual.length); for (int i = 0 ; i < 3 ; i++) { assertArrayEquals(square01[i], square01actual[i]); } final var square20 = new int[][]{ new int[]{8,0,7}, new int[]{0,0,0}, new int[]{0,4,0}}; final var square20actual = field.getSquare(2, 0); assertEquals(3, square20actual.length); for (int i = 0 ; i < 3 ; i++) { assertArrayEquals(square20[i], square20actual[i]); } } @Test void getRow() { final var field = createTestField(); final var row3 = new int[]{0,9,0,0,6,0,0,0,8}; final var row4 = new int[]{0,0,0,2,0,7,0,0,0}; assertArrayEquals(row3, field.getRow(3)); assertArrayEquals(row4, field.getRow(4)); } @Test void getColumn() { final var field = createTestField(); final var col2 = new int[]{0,0,5,0,0,0,2,0,6}; final var col6 = new int[]{8,0,7,0,0,0,5,0,0}; assertArrayEquals(col2, field.getColumn(2)); assertArrayEquals(col6, field.getColumn(6)); } @Test void getSquareIAE() { final var field = createTestField(); assertThrows(IllegalArgumentException.class, () -> field.getSquare(3, 2)); assertThrows(IllegalArgumentException.class, () -> field.getSquare(2, 3)); assertThrows(IllegalArgumentException.class, () -> field.getSquare(2, -1)); assertThrows(IllegalArgumentException.class, () -> field.getSquare(-1, 2)); } @Test void getRowIAE() { final var field = createTestField(); assertThrows(IllegalArgumentException.class, () -> field.getRow(9)); assertThrows(IllegalArgumentException.class, () -> field.getRow(-1)); } @Test void getColumnIAE() { final var field = createTestField(); assertThrows(IllegalArgumentException.class, () -> field.getColumn(9)); assertThrows(IllegalArgumentException.class, () -> field.getColumn(-1)); } }