| /* |
| * Copyright (C) 2008 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 android.content.res.cts; |
| |
| import java.io.IOException; |
| |
| import android.content.res.AssetManager; |
| import android.test.AndroidTestCase; |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetClass; |
| import dalvik.annotation.TestTargetNew; |
| import dalvik.annotation.TestTargets; |
| |
| @TestTargetClass(AssetManager.AssetInputStream.class) |
| public class AssetManager_AssetInputStreamTest extends AndroidTestCase { |
| private AssetManager.AssetInputStream mAssetInputStream; |
| private final String CONTENT_STRING = "OneTwoThreeFourFiveSixSevenEightNineTen"; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mAssetInputStream = (AssetManager.AssetInputStream)mContext.getAssets().open("text.txt"); |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "close", |
| args = {} |
| ) |
| public void testClose() throws IOException { |
| mAssetInputStream.close(); |
| |
| try { |
| mAssetInputStream.read(); |
| fail("should throw exception"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| @TestTargetNew( |
| level = TestLevel.NOT_FEASIBLE, |
| notes = "", |
| method = "getAssetInt", |
| args = {} |
| ) |
| public void testGetAssetInt() { |
| // the return value of getAssetInt is a random number |
| mAssetInputStream.getAssetInt(); |
| } |
| |
| @TestTargets({ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "mark", |
| args = {int.class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "reset", |
| args = {} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "markSupported", |
| args = {} |
| ) |
| }) |
| public void testMarkReset() throws IOException { |
| assertTrue(mAssetInputStream.markSupported()); |
| final int readlimit = 10; |
| final byte[] bytes = CONTENT_STRING.getBytes(); |
| for (int i = 0; i < readlimit; i++) { |
| assertEquals(bytes[i], mAssetInputStream.read()); |
| } |
| mAssetInputStream.mark(readlimit); |
| mAssetInputStream.reset(); |
| for (int i = 0; i < readlimit; i++) { |
| assertEquals(bytes[i + readlimit], mAssetInputStream.read()); |
| } |
| } |
| |
| @TestTargets({ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "read", |
| args = {} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "Test read method.", |
| method = "read", |
| args = {byte[].class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "read", |
| args = {byte[].class, int.class, int.class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "skip", |
| args = {long.class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "available", |
| args = {} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "", |
| method = "reset", |
| args = {} |
| ) |
| }) |
| public void testReadMethods() throws IOException { |
| // test available() |
| final byte[] bytes = CONTENT_STRING.getBytes(); |
| int len = mAssetInputStream.available(); |
| int end = -1; |
| assertEquals(CONTENT_STRING.length(), len); |
| for (int i = 0; i < len; i++) { |
| assertEquals(bytes[i], mAssetInputStream.read()); |
| } |
| assertEquals(end, mAssetInputStream.read()); |
| |
| // test read(byte[]) |
| mAssetInputStream.reset(); |
| int dataLength = 10; |
| byte[] data = new byte[dataLength]; |
| int ret = mAssetInputStream.read(data); |
| assertEquals(dataLength, ret); |
| for (int i = 0; i < dataLength; i++) { |
| assertEquals(bytes[i], data[i]); |
| } |
| data = new byte[len - dataLength]; |
| assertEquals(len - dataLength, mAssetInputStream.read(data)); |
| for (int i = 0; i < len - dataLength; i++) { |
| assertEquals(bytes[i + dataLength], data[i]); |
| } |
| assertEquals(end, mAssetInputStream.read(data)); |
| |
| // test read(bytep[], int, int) |
| mAssetInputStream.reset(); |
| int offset = 0; |
| ret = mAssetInputStream.read(data, offset, dataLength); |
| assertEquals(dataLength, ret); |
| for (int i = offset; i < ret; i++) { |
| assertEquals(bytes[i], data[offset + i]); |
| } |
| mAssetInputStream.reset(); |
| offset = 2; |
| ret = mAssetInputStream.read(data, offset, dataLength); |
| assertEquals(dataLength, ret); |
| for (int i = offset; i < ret; i++) { |
| assertEquals(bytes[i], data[offset + i]); |
| } |
| data = new byte[len + offset]; |
| ret = mAssetInputStream.read(data, offset, len); |
| assertEquals(len - dataLength, ret); |
| for (int i = offset; i < ret; i++) { |
| assertEquals(bytes[i + dataLength], data[offset + i]); |
| } |
| assertEquals(end, mAssetInputStream.read(data, offset, len)); |
| // test len is zero, |
| mAssetInputStream.reset(); |
| assertEquals(0, mAssetInputStream.read(data, 0, 0)); |
| // test skip(int) |
| int skipLenth = 8; |
| mAssetInputStream.reset(); |
| mAssetInputStream.skip(skipLenth); |
| assertEquals(CONTENT_STRING.charAt(skipLenth), mAssetInputStream.read()); |
| |
| // test read(byte[] b), b is null |
| try { |
| mAssetInputStream.read(null); |
| fail("should throw NullPointerException "); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| |
| try { |
| mAssetInputStream.read(null, 0, mAssetInputStream.available()); |
| fail("should throw NullPointerException "); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| // test read(bytep[], int, int): offset is negative, |
| try { |
| data = new byte[10]; |
| mAssetInputStream.read(data, -1, mAssetInputStream.available()); |
| fail("should throw IndexOutOfBoundsException "); |
| } catch (IndexOutOfBoundsException e) { |
| // expected |
| } |
| |
| // test read(bytep[], int, int): len+offset greater than data length |
| try { |
| data = new byte[10]; |
| assertEquals(0, mAssetInputStream.read(data, 0, data.length + 2)); |
| fail("should throw IndexOutOfBoundsException "); |
| } catch (IndexOutOfBoundsException e) { |
| } |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| mAssetInputStream.close(); |
| } |
| |
| } |