diff options
Diffstat (limited to 'tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java')
-rw-r--r-- | tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java | 165 |
1 files changed, 142 insertions, 23 deletions
diff --git a/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java b/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java index 8b869b6ca..80e5f9cb1 100644 --- a/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java +++ b/tests/src/com/android/inputmethod/latin/ResizableIntArrayTests.java @@ -23,49 +23,141 @@ public class ResizableIntArrayTests extends AndroidTestCase { public void testNewInstance() { final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - assertEquals("new instance length", 0, src.getLength()); - assertNotNull("new instance array", src.getPrimitiveArray()); - } - - public void testReset() { - final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); final int[] array = src.getPrimitiveArray(); - - src.reset(DEFAULT_CAPACITY); - assertEquals("length after reset", 0, src.getLength()); - assertNotSame("array after reset", array, src.getPrimitiveArray()); + assertEquals("new instance length", 0, src.getLength()); + assertNotNull("new instance array", array); + assertEquals("new instance array length", DEFAULT_CAPACITY, array.length); } public void testAdd() { final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - final int limit = src.getPrimitiveArray().length * 2 + 10; + final int[] array = src.getPrimitiveArray(); + int[] array2 = null, array3 = null; + final int limit = DEFAULT_CAPACITY * 2 + 10; for (int i = 0; i < limit; i++) { src.add(i); assertEquals("length after add " + i, i + 1, src.getLength()); + if (i == DEFAULT_CAPACITY) array2 = src.getPrimitiveArray(); + if (i == DEFAULT_CAPACITY * 2) array3 = src.getPrimitiveArray(); + if (i < DEFAULT_CAPACITY) { + assertSame("array after add " + i, array, src.getPrimitiveArray()); + } else if (i < DEFAULT_CAPACITY * 2) { + assertSame("array after add " + i, array2, src.getPrimitiveArray()); + } else if (i < DEFAULT_CAPACITY * 3) { + assertSame("array after add " + i, array3, src.getPrimitiveArray()); + } } for (int i = 0; i < limit; i++) { - assertEquals("value at " + i, i, src.getPrimitiveArray()[i]); + assertEquals("value at " + i, i, src.get(i)); } } public void testAddAt() { final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - final int limit = 1000, step = 100; + final int limit = DEFAULT_CAPACITY * 10, step = DEFAULT_CAPACITY * 2; for (int i = 0; i < limit; i += step) { src.add(i, i); assertEquals("length after add at " + i, i + 1, src.getLength()); } for (int i = 0; i < limit; i += step) { - assertEquals("value at " + i, i, src.getPrimitiveArray()[i]); + assertEquals("value at " + i, i, src.get(i)); + } + } + + public void testGet() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + try { + final int value = src.get(0); + fail("get(0) shouldn't succeed"); + } catch (ArrayIndexOutOfBoundsException e) { + // success + } + try { + final int value = src.get(DEFAULT_CAPACITY); + fail("get(DEFAULT_CAPACITY) shouldn't succeed"); + } catch (ArrayIndexOutOfBoundsException e) { + // success + } + + final int index = DEFAULT_CAPACITY / 2; + src.add(index, 100); + assertEquals("legth after add at " + index, index + 1, src.getLength()); + assertEquals("value after add at " + index, 100, src.get(index)); + assertEquals("value after add at 0", 0, src.get(0)); + try { + final int value = src.get(src.getLength()); + fail("get(length) shouldn't succeed"); + } catch (ArrayIndexOutOfBoundsException e) { + // success + } + } + + public void testReset() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int[] array = src.getPrimitiveArray(); + for (int i = 0; i < DEFAULT_CAPACITY; i++) { + src.add(i); + assertEquals("length after add " + i, i + 1, src.getLength()); + } + + final int smallerLength = DEFAULT_CAPACITY / 2; + src.reset(smallerLength); + final int[] array2 = src.getPrimitiveArray(); + assertEquals("length after reset", 0, src.getLength()); + assertNotSame("array after reset", array, array2); + + int[] array3 = null; + for (int i = 0; i < DEFAULT_CAPACITY; i++) { + src.add(i); + assertEquals("length after add " + i, i + 1, src.getLength()); + if (i == smallerLength) array3 = src.getPrimitiveArray(); + if (i < smallerLength) { + assertSame("array after add " + i, array2, src.getPrimitiveArray()); + } else if (i < smallerLength * 2) { + assertSame("array after add " + i, array3, src.getPrimitiveArray()); + } + } + } + + public void testSetLength() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int[] array = src.getPrimitiveArray(); + for (int i = 0; i < DEFAULT_CAPACITY; i++) { + src.add(i); + assertEquals("length after add " + i, i + 1, src.getLength()); + } + + final int largerLength = DEFAULT_CAPACITY * 2; + src.setLength(largerLength); + final int[] array2 = src.getPrimitiveArray(); + assertEquals("length after larger setLength", largerLength, src.getLength()); + assertNotSame("array after larger setLength", array, array2); + assertEquals("array length after larger setLength", largerLength, array2.length); + for (int i = 0; i < DEFAULT_CAPACITY; i++) { + assertEquals("value at " + i, i, src.get(i)); + } + for (int i = DEFAULT_CAPACITY; i < largerLength; i++) { + assertEquals("value at " + i, 0, src.get(i)); + } + + final int smallerLength = DEFAULT_CAPACITY / 2; + src.setLength(smallerLength); + final int[] array3 = src.getPrimitiveArray(); + assertEquals("length after smaller setLength", smallerLength, src.getLength()); + assertSame("array after smaller setLength", array2, array3); + assertEquals("array length after smaller setLength", largerLength, array3.length); + for (int i = 0; i < smallerLength; i++) { + assertEquals("value at " + i, i, src.get(i)); } } public void testSet() { final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - final int limit = src.getPrimitiveArray().length * 2 + 10; + final int limit = DEFAULT_CAPACITY * 2 + 10; for (int i = 0; i < limit; i++) { src.add(i); } + final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY); dst.set(src); assertEquals("length after set", dst.getLength(), src.getLength()); @@ -74,27 +166,40 @@ public class ResizableIntArrayTests extends AndroidTestCase { public void testCopy() { final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - final int limit = 100; - for (int i = 0; i < limit; i++) { + for (int i = 0; i < DEFAULT_CAPACITY; i++) { src.add(i); } + final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY); + final int[] array = dst.getPrimitiveArray(); dst.copy(src); assertEquals("length after copy", dst.getLength(), src.getLength()); + assertSame("array after copy", array, dst.getPrimitiveArray()); assertNotSame("array after copy", dst.getPrimitiveArray(), src.getPrimitiveArray()); - final int length = dst.getLength(); assertArrayEquals("values after copy", - dst.getPrimitiveArray(), 0, src.getPrimitiveArray(), 0, length); + dst.getPrimitiveArray(), 0, src.getPrimitiveArray(), 0, dst.getLength()); + + final int smallerLength = DEFAULT_CAPACITY / 2; + dst.reset(smallerLength); + final int[] array2 = dst.getPrimitiveArray(); + dst.copy(src); + final int[] array3 = dst.getPrimitiveArray(); + assertEquals("length after copy to smaller", dst.getLength(), src.getLength()); + assertNotSame("array after copy to smaller", array2, array3); + assertNotSame("array after copy to smaller", array3, src.getPrimitiveArray()); + assertArrayEquals("values after copy to smaller", + dst.getPrimitiveArray(), 0, src.getPrimitiveArray(), 0, dst.getLength()); } public void testAppend() { - final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); - final int srcLen = 100; + final int srcLen = DEFAULT_CAPACITY; + final ResizableIntArray src = new ResizableIntArray(srcLen); for (int i = 0; i < srcLen; i++) { src.add(i); } - final int dstLen = 50; - final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY * 2); + final int[] array = dst.getPrimitiveArray(); + final int dstLen = DEFAULT_CAPACITY / 2; for (int i = 0; i < dstLen; i++) { final int value = -i - 1; dst.add(value); @@ -104,17 +209,31 @@ public class ResizableIntArrayTests extends AndroidTestCase { dst.append(src, 0, 0); assertEquals("length after append zero", dstLen, dst.getLength()); + assertSame("array after append zero", array, dst.getPrimitiveArray()); assertArrayEquals("values after append zero", dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen); dst.append(src, 0, srcLen); assertEquals("length after append", dstLen + srcLen, dst.getLength()); + assertSame("array after append", array, dst.getPrimitiveArray()); assertTrue("primitive length after append", dst.getPrimitiveArray().length >= dstLen + srcLen); assertArrayEquals("original values after append", dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen); assertArrayEquals("appended values after append", src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen, srcLen); + + dst.append(src, 0, srcLen); + assertEquals("length after 2nd append", dstLen + srcLen * 2, dst.getLength()); + assertNotSame("array after 2nd append", array, dst.getPrimitiveArray()); + assertTrue("primitive length after 2nd append", + dst.getPrimitiveArray().length >= dstLen + srcLen * 2); + assertArrayEquals("original values after 2nd append", + dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen); + assertArrayEquals("appended values after 2nd append", + src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen, srcLen); + assertArrayEquals("appended values after 2nd append", + src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen + srcLen, srcLen); } private static void assertArrayEquals(String message, int[] expecteds, int expectedPos, |