diff options
Diffstat (limited to 'tests/src/com/android/inputmethod/latin/common')
-rw-r--r-- | tests/src/com/android/inputmethod/latin/common/InputPointersTests.java | 324 | ||||
-rw-r--r-- | tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java | 377 |
2 files changed, 701 insertions, 0 deletions
diff --git a/tests/src/com/android/inputmethod/latin/common/InputPointersTests.java b/tests/src/com/android/inputmethod/latin/common/InputPointersTests.java new file mode 100644 index 000000000..6b3490de8 --- /dev/null +++ b/tests/src/com/android/inputmethod/latin/common/InputPointersTests.java @@ -0,0 +1,324 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.latin.common; + +import android.test.AndroidTestCase; +import android.test.suitebuilder.annotation.SmallTest; + +import java.util.Arrays; + +@SmallTest +public class InputPointersTests extends AndroidTestCase { + private static final int DEFAULT_CAPACITY = 48; + + public void testNewInstance() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + assertEquals("new instance size", 0, src.getPointerSize()); + assertNotNull("new instance xCoordinates", src.getXCoordinates()); + assertNotNull("new instance yCoordinates", src.getYCoordinates()); + assertNotNull("new instance pointerIds", src.getPointerIds()); + assertNotNull("new instance times", src.getTimes()); + } + + public void testReset() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int[] xCoordinates = src.getXCoordinates(); + final int[] yCoordinates = src.getXCoordinates(); + final int[] pointerIds = src.getXCoordinates(); + final int[] times = src.getXCoordinates(); + + src.reset(); + assertEquals("size after reset", 0, src.getPointerSize()); + assertNotSame("xCoordinates after reset", xCoordinates, src.getXCoordinates()); + assertNotSame("yCoordinates after reset", yCoordinates, src.getYCoordinates()); + assertNotSame("pointerIds after reset", pointerIds, src.getPointerIds()); + assertNotSame("times after reset", times, src.getTimes()); + } + + public void testAdd() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int limit = src.getXCoordinates().length * 2 + 10; + for (int i = 0; i < limit; i++) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + src.addPointer(x, y, pointerId, time); + assertEquals("size after add " + i, i + 1, src.getPointerSize()); + } + for (int i = 0; i < limit; i++) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + assertEquals("xCoordinates at " + i, x, src.getXCoordinates()[i]); + assertEquals("yCoordinates at " + i, y, src.getYCoordinates()[i]); + assertEquals("pointerIds at " + i, pointerId, src.getPointerIds()[i]); + assertEquals("times at " + i, time, src.getTimes()[i]); + } + } + + public void testAddAt() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int limit = 1000, step = 100; + for (int i = 0; i < limit; i += step) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + src.addPointerAt(i, x, y, pointerId, time); + assertEquals("size after add at " + i, i + 1, src.getPointerSize()); + } + for (int i = 0; i < limit; i += step) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + assertEquals("xCoordinates at " + i, x, src.getXCoordinates()[i]); + assertEquals("yCoordinates at " + i, y, src.getYCoordinates()[i]); + assertEquals("pointerIds at " + i, pointerId, src.getPointerIds()[i]); + assertEquals("times at " + i, time, src.getTimes()[i]); + } + } + + public void testSet() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int limit = src.getXCoordinates().length * 2 + 10; + for (int i = 0; i < limit; i++) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + src.addPointer(x, y, pointerId, time); + } + final InputPointers dst = new InputPointers(DEFAULT_CAPACITY); + dst.set(src); + assertEquals("size after set", dst.getPointerSize(), src.getPointerSize()); + assertSame("xCoordinates after set", dst.getXCoordinates(), src.getXCoordinates()); + assertSame("yCoordinates after set", dst.getYCoordinates(), src.getYCoordinates()); + assertSame("pointerIds after set", dst.getPointerIds(), src.getPointerIds()); + assertSame("times after set", dst.getTimes(), src.getTimes()); + } + + public void testCopy() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int limit = 100; + for (int i = 0; i < limit; i++) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + src.addPointer(x, y, pointerId, time); + } + final InputPointers dst = new InputPointers(DEFAULT_CAPACITY); + dst.copy(src); + assertEquals("size after copy", dst.getPointerSize(), src.getPointerSize()); + assertNotSame("xCoordinates after copy", dst.getXCoordinates(), src.getXCoordinates()); + assertNotSame("yCoordinates after copy", dst.getYCoordinates(), src.getYCoordinates()); + assertNotSame("pointerIds after copy", dst.getPointerIds(), src.getPointerIds()); + assertNotSame("times after copy", dst.getTimes(), src.getTimes()); + final int size = dst.getPointerSize(); + assertIntArrayEquals("xCoordinates values after copy", + dst.getXCoordinates(), 0, src.getXCoordinates(), 0, size); + assertIntArrayEquals("yCoordinates values after copy", + dst.getYCoordinates(), 0, src.getYCoordinates(), 0, size); + assertIntArrayEquals("pointerIds values after copy", + dst.getPointerIds(), 0, src.getPointerIds(), 0, size); + assertIntArrayEquals("times values after copy", + dst.getTimes(), 0, src.getTimes(), 0, size); + } + + public void testAppend() { + final int dstLength = 50; + final InputPointers dst = new InputPointers(DEFAULT_CAPACITY); + for (int i = 0; i < dstLength; i++) { + final int x = i * 4; + final int y = i * 3; + final int pointerId = i * 2; + final int time = i; + dst.addPointer(x, y, pointerId, time); + } + final InputPointers dstCopy = new InputPointers(DEFAULT_CAPACITY); + dstCopy.copy(dst); + + final ResizableIntArray srcXCoords = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray srcYCoords = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray srcPointerIds = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray srcTimes = new ResizableIntArray(DEFAULT_CAPACITY); + final int srcLength = 100; + final int srcPointerId = 10; + for (int i = 0; i < srcLength; i++) { + final int x = i; + final int y = i * 2; + // The time value must be larger than <code>dst</code>. + final int time = i * 4 + dstLength; + srcXCoords.add(x); + srcYCoords.add(y); + srcPointerIds.add(srcPointerId); + srcTimes.add(time); + } + + final int startPos = 0; + dst.append(srcPointerId, srcTimes, srcXCoords, srcYCoords, + startPos, 0 /* length */); + assertEquals("size after append zero", dstLength, dst.getPointerSize()); + assertIntArrayEquals("xCoordinates after append zero", + dstCopy.getXCoordinates(), startPos, dst.getXCoordinates(), startPos, dstLength); + assertIntArrayEquals("yCoordinates after append zero", + dstCopy.getYCoordinates(), startPos, dst.getYCoordinates(), startPos, dstLength); + assertIntArrayEquals("pointerIds after append zero", + dstCopy.getPointerIds(), startPos, dst.getPointerIds(), startPos, dstLength); + assertIntArrayEquals("times after append zero", + dstCopy.getTimes(), startPos, dst.getTimes(), startPos, dstLength); + + dst.append(srcPointerId, srcTimes, srcXCoords, srcYCoords, + startPos, srcLength); + assertEquals("size after append", dstLength + srcLength, dst.getPointerSize()); + assertTrue("primitive length after append", + dst.getPointerIds().length >= dstLength + srcLength); + assertIntArrayEquals("original xCoordinates values after append", + dstCopy.getXCoordinates(), startPos, dst.getXCoordinates(), startPos, dstLength); + assertIntArrayEquals("original yCoordinates values after append", + dstCopy.getYCoordinates(), startPos, dst.getYCoordinates(), startPos, dstLength); + assertIntArrayEquals("original pointerIds values after append", + dstCopy.getPointerIds(), startPos, dst.getPointerIds(), startPos, dstLength); + assertIntArrayEquals("original times values after append", + dstCopy.getTimes(), startPos, dst.getTimes(), startPos, dstLength); + assertIntArrayEquals("appended xCoordinates values after append", + srcXCoords.getPrimitiveArray(), startPos, dst.getXCoordinates(), + dstLength, srcLength); + assertIntArrayEquals("appended yCoordinates values after append", + srcYCoords.getPrimitiveArray(), startPos, dst.getYCoordinates(), + dstLength, srcLength); + assertIntArrayEquals("appended pointerIds values after append", + srcPointerIds.getPrimitiveArray(), startPos, dst.getPointerIds(), + dstLength, srcLength); + assertIntArrayEquals("appended times values after append", + srcTimes.getPrimitiveArray(), startPos, dst.getTimes(), dstLength, srcLength); + } + + public void testAppendResizableIntArray() { + final int dstLength = 50; + final InputPointers dst = new InputPointers(DEFAULT_CAPACITY); + for (int i = 0; i < dstLength; i++) { + final int x = i * 4; + final int y = i * 3; + final int pointerId = i * 2; + final int time = i; + dst.addPointer(x, y, pointerId, time); + } + final InputPointers dstCopy = new InputPointers(DEFAULT_CAPACITY); + dstCopy.copy(dst); + + final int srcLength = 100; + final int srcPointerId = 1; + final int[] srcPointerIds = new int[srcLength]; + Arrays.fill(srcPointerIds, srcPointerId); + final ResizableIntArray srcTimes = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray srcXCoords = new ResizableIntArray(DEFAULT_CAPACITY); + final ResizableIntArray srcYCoords= new ResizableIntArray(DEFAULT_CAPACITY); + for (int i = 0; i < srcLength; i++) { + // The time value must be larger than <code>dst</code>. + final int time = i * 2 + dstLength; + final int x = i * 3; + final int y = i * 4; + srcTimes.add(time); + srcXCoords.add(x); + srcYCoords.add(y); + } + + dst.append(srcPointerId, srcTimes, srcXCoords, srcYCoords, 0, 0); + assertEquals("size after append zero", dstLength, dst.getPointerSize()); + assertIntArrayEquals("xCoordinates after append zero", + dstCopy.getXCoordinates(), 0, dst.getXCoordinates(), 0, dstLength); + assertIntArrayEquals("yCoordinates after append zero", + dstCopy.getYCoordinates(), 0, dst.getYCoordinates(), 0, dstLength); + assertIntArrayEquals("pointerIds after append zero", + dstCopy.getPointerIds(), 0, dst.getPointerIds(), 0, dstLength); + assertIntArrayEquals("times after append zero", + dstCopy.getTimes(), 0, dst.getTimes(), 0, dstLength); + + dst.append(srcPointerId, srcTimes, srcXCoords, srcYCoords, 0, srcLength); + assertEquals("size after append", dstLength + srcLength, dst.getPointerSize()); + assertTrue("primitive length after append", + dst.getPointerIds().length >= dstLength + srcLength); + assertIntArrayEquals("original xCoordinates values after append", + dstCopy.getXCoordinates(), 0, dst.getXCoordinates(), 0, dstLength); + assertIntArrayEquals("original yCoordinates values after append", + dstCopy.getYCoordinates(), 0, dst.getYCoordinates(), 0, dstLength); + assertIntArrayEquals("original pointerIds values after append", + dstCopy.getPointerIds(), 0, dst.getPointerIds(), 0, dstLength); + assertIntArrayEquals("original times values after append", + dstCopy.getTimes(), 0, dst.getTimes(), 0, dstLength); + assertIntArrayEquals("appended xCoordinates values after append", + srcXCoords.getPrimitiveArray(), 0, dst.getXCoordinates(), dstLength, srcLength); + assertIntArrayEquals("appended yCoordinates values after append", + srcYCoords.getPrimitiveArray(), 0, dst.getYCoordinates(), dstLength, srcLength); + assertIntArrayEquals("appended pointerIds values after append", + srcPointerIds, 0, dst.getPointerIds(), dstLength, srcLength); + assertIntArrayEquals("appended times values after append", + srcTimes.getPrimitiveArray(), 0, dst.getTimes(), dstLength, srcLength); + } + + // TODO: Consolidate this method with + // {@link ResizableIntArrayTests#assertIntArrayEquals(String,int[],int,int[],int,int)}. + private static void assertIntArrayEquals(final String message, final int[] expecteds, + final int expectedPos, final int[] actuals, final int actualPos, final int length) { + if (expecteds == actuals) { + return; + } + if (expecteds == null || actuals == null) { + assertEquals(message, Arrays.toString(expecteds), Arrays.toString(actuals)); + return; + } + if (expecteds.length < expectedPos + length || actuals.length < actualPos + length) { + fail(message + ": insufficient length: expecteds=" + Arrays.toString(expecteds) + + " actuals=" + Arrays.toString(actuals)); + return; + } + for (int i = 0; i < length; i++) { + assertEquals(message + " [" + i + "]", + expecteds[i + expectedPos], actuals[i + actualPos]); + } + } + + public void testShift() { + final InputPointers src = new InputPointers(DEFAULT_CAPACITY); + final int limit = 100; + final int shiftAmount = 20; + for (int i = 0; i < limit; i++) { + final int x = i; + final int y = i * 2; + final int pointerId = i * 3; + final int time = i * 4; + src.addPointer(x, y, pointerId, time); + } + src.shift(shiftAmount); + assertEquals("length after shift", src.getPointerSize(), limit - shiftAmount); + for (int i = 0; i < limit - shiftAmount; ++i) { + final int oldIndex = i + shiftAmount; + final int x = oldIndex; + final int y = oldIndex * 2; + final int pointerId = oldIndex * 3; + final int time = oldIndex * 4; + assertEquals("xCoordinates at " + i, x, src.getXCoordinates()[i]); + assertEquals("yCoordinates at " + i, y, src.getYCoordinates()[i]); + assertEquals("pointerIds at " + i, pointerId, src.getPointerIds()[i]); + assertEquals("times at " + i, time, src.getTimes()[i]); + } + } +} diff --git a/tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java b/tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java new file mode 100644 index 000000000..bd1629faf --- /dev/null +++ b/tests/src/com/android/inputmethod/latin/common/ResizableIntArrayTests.java @@ -0,0 +1,377 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.inputmethod.latin.common; + +import android.test.AndroidTestCase; +import android.test.suitebuilder.annotation.SmallTest; + +import java.util.Arrays; + +@SmallTest +public class ResizableIntArrayTests extends AndroidTestCase { + private static final int DEFAULT_CAPACITY = 48; + + public void testNewInstance() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int[] 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[] array = src.getPrimitiveArray(); + int[] array2 = null, array3 = null; + final int limit = DEFAULT_CAPACITY * 2 + 10; + for (int i = 0; i < limit; i++) { + final int value = i; + src.add(value); + 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++) { + final int value = i; + assertEquals("value at " + i, value, src.get(i)); + } + } + + public void testAddAt() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int limit = DEFAULT_CAPACITY * 10, step = DEFAULT_CAPACITY * 2; + for (int i = 0; i < limit; i += step) { + final int value = i; + src.addAt(i, value); + assertEquals("length after add at " + i, i + 1, src.getLength()); + } + for (int i = 0; i < limit; i += step) { + final int value = i; + assertEquals("value at " + i, value, src.get(i)); + } + } + + public void testGet() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + try { + src.get(0); + fail("get(0) shouldn't succeed"); + } catch (ArrayIndexOutOfBoundsException e) { + // success + } + try { + src.get(DEFAULT_CAPACITY); + fail("get(DEFAULT_CAPACITY) shouldn't succeed"); + } catch (ArrayIndexOutOfBoundsException e) { + // success + } + + final int index = DEFAULT_CAPACITY / 2; + final int valueAddAt = 100; + src.addAt(index, valueAddAt); + assertEquals("legth after add at " + index, index + 1, src.getLength()); + assertEquals("value after add at " + index, valueAddAt, src.get(index)); + assertEquals("value after add at 0", 0, src.get(0)); + try { + 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++) { + final int value = i; + src.add(value); + 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++) { + final int value = i; + src.add(value); + 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++) { + final int value = i; + src.add(value); + 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 < largerLength; i++) { + final int value = i; + if (i < DEFAULT_CAPACITY) { + assertEquals("value at " + i, value, src.get(i)); + } else { + 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++) { + final int value = i; + assertEquals("value at " + i, value, src.get(i)); + } + } + + public void testSet() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int limit = DEFAULT_CAPACITY * 2 + 10; + for (int i = 0; i < limit; i++) { + final int value = i; + src.add(value); + } + + final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY); + dst.set(src); + assertEquals("length after set", dst.getLength(), src.getLength()); + assertSame("array after set", dst.getPrimitiveArray(), src.getPrimitiveArray()); + } + + public void testCopy() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + for (int i = 0; i < DEFAULT_CAPACITY; i++) { + final int value = i; + src.add(value); + } + + 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()); + assertIntArrayEquals("values after copy", + 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()); + assertIntArrayEquals("values after copy to smaller", + dst.getPrimitiveArray(), 0, src.getPrimitiveArray(), 0, dst.getLength()); + } + + public void testAppend() { + final int srcLength = DEFAULT_CAPACITY; + final ResizableIntArray src = new ResizableIntArray(srcLength); + for (int i = 0; i < srcLength; i++) { + final int value = i; + src.add(value); + } + final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY * 2); + final int[] array = dst.getPrimitiveArray(); + final int dstLength = DEFAULT_CAPACITY / 2; + for (int i = 0; i < dstLength; i++) { + final int value = -i - 1; + dst.add(value); + } + final ResizableIntArray dstCopy = new ResizableIntArray(dst.getLength()); + dstCopy.copy(dst); + + final int startPos = 0; + dst.append(src, startPos, 0 /* length */); + assertEquals("length after append zero", dstLength, dst.getLength()); + assertSame("array after append zero", array, dst.getPrimitiveArray()); + assertIntArrayEquals("values after append zero", dstCopy.getPrimitiveArray(), startPos, + dst.getPrimitiveArray(), startPos, dstLength); + + dst.append(src, startPos, srcLength); + assertEquals("length after append", dstLength + srcLength, dst.getLength()); + assertSame("array after append", array, dst.getPrimitiveArray()); + assertTrue("primitive length after append", + dst.getPrimitiveArray().length >= dstLength + srcLength); + assertIntArrayEquals("original values after append", dstCopy.getPrimitiveArray(), startPos, + dst.getPrimitiveArray(), startPos, dstLength); + assertIntArrayEquals("appended values after append", src.getPrimitiveArray(), startPos, + dst.getPrimitiveArray(), dstLength, srcLength); + + dst.append(src, startPos, srcLength); + assertEquals("length after 2nd append", dstLength + srcLength * 2, dst.getLength()); + assertNotSame("array after 2nd append", array, dst.getPrimitiveArray()); + assertTrue("primitive length after 2nd append", + dst.getPrimitiveArray().length >= dstLength + srcLength * 2); + assertIntArrayEquals("original values after 2nd append", + dstCopy.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), startPos, + dstLength); + assertIntArrayEquals("appended values after 2nd append", + src.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), dstLength, + srcLength); + assertIntArrayEquals("appended values after 2nd append", + src.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), dstLength + srcLength, + srcLength); + } + + public void testFill() { + final int srcLength = DEFAULT_CAPACITY; + final ResizableIntArray src = new ResizableIntArray(srcLength); + for (int i = 0; i < srcLength; i++) { + final int value = i; + src.add(value); + } + final int[] array = src.getPrimitiveArray(); + + final int startPos = srcLength / 3; + final int length = srcLength / 3; + final int endPos = startPos + length; + assertTrue(startPos >= 1); + final int fillValue = 123; + try { + src.fill(fillValue, -1 /* startPos */, length); + fail("fill from -1 shouldn't succeed"); + } catch (IllegalArgumentException e) { + // success + } + try { + src.fill(fillValue, startPos, -1 /* length */); + fail("fill negative length shouldn't succeed"); + } catch (IllegalArgumentException e) { + // success + } + + src.fill(fillValue, startPos, length); + assertEquals("length after fill", srcLength, src.getLength()); + assertSame("array after fill", array, src.getPrimitiveArray()); + for (int i = 0; i < srcLength; i++) { + final int value = i; + if (i >= startPos && i < endPos) { + assertEquals("new values after fill at " + i, fillValue, src.get(i)); + } else { + assertEquals("unmodified values after fill at " + i, value, src.get(i)); + } + } + + final int length2 = srcLength * 2 - startPos; + final int largeEnd = startPos + length2; + assertTrue(largeEnd > srcLength); + final int fillValue2 = 456; + src.fill(fillValue2, startPos, length2); + assertEquals("length after large fill", largeEnd, src.getLength()); + assertNotSame("array after large fill", array, src.getPrimitiveArray()); + for (int i = 0; i < largeEnd; i++) { + final int value = i; + if (i >= startPos && i < largeEnd) { + assertEquals("new values after large fill at " + i, fillValue2, src.get(i)); + } else { + assertEquals("unmodified values after large fill at " + i, value, src.get(i)); + } + } + + final int startPos2 = largeEnd + length2; + final int endPos2 = startPos2 + length2; + final int fillValue3 = 789; + src.fill(fillValue3, startPos2, length2); + assertEquals("length after disjoint fill", endPos2, src.getLength()); + for (int i = 0; i < endPos2; i++) { + final int value = i; + if (i >= startPos2 && i < endPos2) { + assertEquals("new values after disjoint fill at " + i, fillValue3, src.get(i)); + } else if (i >= startPos && i < largeEnd) { + assertEquals("unmodified values after disjoint fill at " + i, + fillValue2, src.get(i)); + } else if (i < startPos) { + assertEquals("unmodified values after disjoint fill at " + i, value, src.get(i)); + } else { + assertEquals("gap values after disjoint fill at " + i, 0, src.get(i)); + } + } + } + + private static void assertIntArrayEquals(final String message, final int[] expecteds, + final int expectedPos, final int[] actuals, final int actualPos, final int length) { + if (expecteds == actuals) { + return; + } + if (expecteds == null || actuals == null) { + assertEquals(message, Arrays.toString(expecteds), Arrays.toString(actuals)); + return; + } + if (expecteds.length < expectedPos + length || actuals.length < actualPos + length) { + fail(message + ": insufficient length: expecteds=" + Arrays.toString(expecteds) + + " actuals=" + Arrays.toString(actuals)); + return; + } + for (int i = 0; i < length; i++) { + assertEquals(message + " [" + i + "]", + expecteds[i + expectedPos], actuals[i + actualPos]); + } + } + + public void testShift() { + final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY); + final int limit = DEFAULT_CAPACITY * 10; + final int shiftAmount = 20; + for (int i = 0; i < limit; ++i) { + final int value = i; + src.addAt(i, value); + assertEquals("length after add at " + i, i + 1, src.getLength()); + } + src.shift(shiftAmount); + for (int i = 0; i < limit - shiftAmount; ++i) { + final int oldValue = i + shiftAmount; + assertEquals("value at " + i, oldValue, src.get(i)); + } + } +} |