| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 libcore.java.io; |
| |
| import java.io.IOException; |
| import java.io.SequenceInputStream; |
| import tests.support.Support_ASimpleInputStream; |
| |
| public class OldSequenceInputStreamTest extends junit.framework.TestCase { |
| |
| Support_ASimpleInputStream simple1, simple2; |
| SequenceInputStream si; |
| String s1 = "Hello"; |
| String s2 = "World"; |
| |
| public void test_available() throws IOException { |
| assertEquals("Returned incorrect number of bytes!", s1.length(), si.available()); |
| simple2.throwExceptionOnNextUse = true; |
| assertTrue("IOException on second stream should not affect at this time!", |
| si.available() == s1.length()); |
| simple1.throwExceptionOnNextUse = true; |
| try { |
| si.available(); |
| fail("IOException not thrown!"); |
| } catch (IOException e) { |
| // expected |
| } |
| } |
| |
| public void test_close2() throws IOException { |
| simple1.throwExceptionOnNextUse = true; |
| try { |
| si.close(); |
| fail("IOException not thrown!"); |
| } catch (IOException e) { |
| // expected |
| } |
| } |
| |
| public void test_read() throws IOException { |
| si.read(); |
| assertEquals("Test 1: Incorrect char read;", |
| s1.charAt(1), (char) si.read()); |
| |
| // We are still reading from the first input stream, should be ok. |
| simple2.throwExceptionOnNextUse = true; |
| try { |
| assertEquals("Test 2: Incorrect char read;", |
| s1.charAt(2), (char) si.read()); |
| } catch (IOException e) { |
| fail("Test 3: Unexpected IOException."); |
| } |
| |
| simple1.throwExceptionOnNextUse = true; |
| try { |
| si.read(); |
| fail("Test 4: IOException expected."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| simple1.throwExceptionOnNextUse = false; |
| |
| // Reading bytes 4 and 5 of the first input stream should be ok again. |
| si.read(); |
| si.read(); |
| |
| // Reading the first byte of the second input stream should fail. |
| try { |
| si.read(); |
| fail("Test 5: IOException expected."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| |
| // Reading from the second input stream should be ok now. |
| simple2.throwExceptionOnNextUse = false; |
| try { |
| assertEquals("Test 6: Incorrect char read;", |
| s2.charAt(0), (char) si.read()); |
| } catch (IOException e) { |
| fail("Test 7: Unexpected IOException."); |
| } |
| |
| si.close(); |
| assertTrue("Test 8: -1 expected when reading from a closed " + |
| "sequence input stream.", si.read() == -1); |
| } |
| |
| public void test_read_exc() throws IOException { |
| simple2.throwExceptionOnNextUse = true; |
| assertEquals("IOException on second stream should not affect at this time!", 72, si.read()); |
| simple1.throwExceptionOnNextUse = true; |
| try { |
| si.read(); |
| fail("IOException not thrown!"); |
| } catch (IOException e) { |
| // expected |
| } |
| } |
| |
| public void test_read$BII_Excpetion() throws IOException { |
| byte[] buf = new byte[4]; |
| si.read(buf, 0, 2); |
| si.read(buf, 2, 1); |
| simple2.throwExceptionOnNextUse = true; |
| si.read(buf, 3, 1); |
| assertEquals("Wrong stuff read!", "Hell", new String(buf)); |
| simple1.throwExceptionOnNextUse = true; |
| try { |
| si.read(buf, 3, 1); |
| fail("IOException not thrown!"); |
| } catch (IOException e) { |
| // expected |
| } |
| |
| buf = new byte[10]; |
| simple1 = new Support_ASimpleInputStream(s1); |
| simple2 = new Support_ASimpleInputStream(s2); |
| si = new SequenceInputStream(simple1, simple2); |
| try { |
| si.read(buf, -1, 1); |
| fail("IndexOutOfBoundsException was not thrown"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| try { |
| si.read(buf, 0, -1); |
| fail("IndexOutOfBoundsException was not thrown"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| try { |
| si.read(buf, 1, 10); |
| fail("IndexOutOfBoundsException was not thrown"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| } |
| |
| protected void setUp() { |
| simple1 = new Support_ASimpleInputStream(s1); |
| simple2 = new Support_ASimpleInputStream(s2); |
| si = new SequenceInputStream(simple1, simple2); |
| } |
| } |