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introduce bitloops

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mike
2026-01-12 08:43:13 +01:00
parent 9c1be77d76
commit fdd1c76bae
5 changed files with 38 additions and 39 deletions
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34
src/test/java/puzzle/MainTest.java
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@@ -22,8 +22,8 @@ public class MainTest {
// Set up digits on the grid to create slots.
// '2' (right) at (0,0) -> slot at (0,1), (0,2)
grid.setClue(0, (byte) '2');
grid.setByteAt(Grid.offset(0, 1), (byte) 'A');
grid.setByteAt(Grid.offset(0, 2), (byte) 'B');
grid.setLetter(Grid.offset(0, 1), (byte) 'A');
grid.setLetter(Grid.offset(0, 2), (byte) 'B');
var slots = extractSlots(grid);
assertEquals(1, slots.size());
@@ -77,9 +77,9 @@ public class MainTest {
var grid = Grid.createEmpty();
// Test set/get
grid.setByteAt(Grid.offset(0, 0), (byte) 'A');
grid.setLetter(Grid.offset(0, 0), (byte) 'A');
grid.setClue(Grid.offset(1, 2), (byte) '5');
grid.setByteAt(Grid.offset(2, 3), (byte) 'Z');
grid.setLetter(Grid.offset(2, 3), (byte) 'Z');
Assertions.assertEquals((byte) 'A', grid.byteAt(Grid.offset(0, 0)));
Assertions.assertEquals((byte) '5', grid.byteAt(Grid.offset(1, 2)));
@@ -93,30 +93,30 @@ public class MainTest {
Assertions.assertFalse(grid.isLetterSet(Grid.offset(1, 1)));
// Test isDigitAt
Assertions.assertFalse(grid.isDigitAt(0));
Assertions.assertTrue(grid.isDigitAt(Grid.offset(1, 2)));
Assertions.assertFalse(grid.isClue(0));
Assertions.assertTrue(grid.isClue(Grid.offset(1, 2)));
Assertions.assertEquals(5, grid.digitAt(Grid.offset(1, 2)));
Assertions.assertFalse(grid.isDigitAt(Grid.offset(2, 3)));
Assertions.assertFalse(grid.isDigitAt(Grid.offset(1, 1)));
Assertions.assertFalse(grid.isClue(Grid.offset(2, 3)));
Assertions.assertFalse(grid.isClue(Grid.offset(1, 1)));
// Test isLettercell
Assertions.assertTrue(grid.isLetterAt(Grid.offset(0, 0))); // 'A' is letter
Assertions.assertFalse(grid.isLetterAt(Grid.offset(1, 2))); // '5' is digit
Assertions.assertTrue(grid.isLetterAt(Grid.offset(1, 1))); // '#' is lettercell
Assertions.assertTrue(grid.notClue(Grid.offset(0, 0))); // 'A' is letter
Assertions.assertTrue(grid.isClue(Grid.offset(1, 2))); // '5' is digit
Assertions.assertTrue(grid.notClue(Grid.offset(1, 1))); // '#' is lettercell
}
@Test
public void testGridDeepCopy() {
var grid = Grid.createEmpty();
grid.setByteAt(Grid.offset(0, 0), (byte) 'A');
grid.setByteAt(Grid.offset(0, 1), (byte) 'B');
grid.setByteAt(Grid.offset(1, 0), (byte) 'C');
grid.setByteAt(Grid.offset(1, 1), (byte) 'D');
grid.setLetter(Grid.offset(0, 0), (byte) 'A');
grid.setLetter(Grid.offset(0, 1), (byte) 'B');
grid.setLetter(Grid.offset(1, 0), (byte) 'C');
grid.setLetter(Grid.offset(1, 1), (byte) 'D');
var copy = grid.deepCopyGrid();
Assertions.assertEquals((byte) 'A', copy.byteAt(0));
copy.setByteAt(0, (byte) 'X');
copy.setLetter(0, (byte) 'X');
Assertions.assertEquals((byte) 'X', copy.byteAt(0));
Assertions.assertEquals((byte) 'A', grid.byteAt(0)); // Original should be unchanged
}
@@ -126,7 +126,7 @@ public class MainTest {
var grid = Grid.createEmpty();
val idx = Grid.offset(1, 1);
grid.setClue(idx, (byte) '1');
Assertions.assertTrue(grid.isDigitAt(idx));
Assertions.assertTrue(grid.isClue(idx));
}
@Test
public void testAttempt() {