134 lines
5.3 KiB
Java
134 lines
5.3 KiB
Java
|
/*
|
||
|
* 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;
|
||
|
|
||
|
import android.test.AndroidTestCase;
|
||
|
|
||
|
public class ResizableIntArrayTests extends AndroidTestCase {
|
||
|
private static final int DEFAULT_CAPACITY = 48;
|
||
|
|
||
|
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());
|
||
|
}
|
||
|
|
||
|
public void testAdd() {
|
||
|
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
final int limit = src.getPrimitiveArray().length * 2 + 10;
|
||
|
for (int i = 0; i < limit; i++) {
|
||
|
src.add(i);
|
||
|
assertEquals("length after add " + i, i + 1, src.getLength());
|
||
|
}
|
||
|
for (int i = 0; i < limit; i++) {
|
||
|
assertEquals("value at " + i, i, src.getPrimitiveArray()[i]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public void testAddAt() {
|
||
|
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
final int limit = 1000, step = 100;
|
||
|
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]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
public void testSet() {
|
||
|
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
final int limit = src.getPrimitiveArray().length * 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());
|
||
|
assertSame("array after set", dst.getPrimitiveArray(), src.getPrimitiveArray());
|
||
|
}
|
||
|
|
||
|
public void testCopy() {
|
||
|
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
final int limit = 100;
|
||
|
for (int i = 0; i < limit; i++) {
|
||
|
src.add(i);
|
||
|
}
|
||
|
final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
dst.copy(src);
|
||
|
assertEquals("length after copy", dst.getLength(), src.getLength());
|
||
|
assertNotSame("array after copy", dst.getPrimitiveArray(), src.getPrimitiveArray());
|
||
|
final int length = dst.getLength();
|
||
|
assertArrayEquals("values after copy",
|
||
|
dst.getPrimitiveArray(), 0, src.getPrimitiveArray(), 0, length);
|
||
|
}
|
||
|
|
||
|
public void testAppend() {
|
||
|
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
final int srcLen = 100;
|
||
|
for (int i = 0; i < srcLen; i++) {
|
||
|
src.add(i);
|
||
|
}
|
||
|
final int dstLen = 50;
|
||
|
final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY);
|
||
|
for (int i = 0; i < dstLen; i++) {
|
||
|
final int value = -i - 1;
|
||
|
dst.add(value);
|
||
|
}
|
||
|
final ResizableIntArray dstCopy = new ResizableIntArray(dst.getLength());
|
||
|
dstCopy.copy(dst);
|
||
|
|
||
|
dst.append(src, 0, 0);
|
||
|
assertEquals("length after append zero", dstLen, dst.getLength());
|
||
|
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());
|
||
|
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);
|
||
|
}
|
||
|
|
||
|
private static void assertArrayEquals(String message, int[] expecteds, int expectedPos,
|
||
|
int[] actuals, int actualPos, int length) {
|
||
|
if (expecteds == null && actuals == null) {
|
||
|
return;
|
||
|
}
|
||
|
if (expecteds == null || actuals == null) {
|
||
|
fail(message + ": expecteds=" + expecteds + " actuals=" + actuals);
|
||
|
}
|
||
|
for (int i = 0; i < length; i++) {
|
||
|
assertEquals(message + ": element at " + i,
|
||
|
expecteds[i + expectedPos], actuals[i + actualPos]);
|
||
|
}
|
||
|
}
|
||
|
}
|