| /* |
| * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8131023 8167461 |
| * @summary Verify that the user's code can read System.in |
| * @build KullaTesting TestingInputStream |
| * @run testng UserInputTest |
| * @key intermittent |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.testng.annotations.Test; |
| |
| @Test |
| public class UserInputTest extends KullaTesting { |
| |
| public void testReadInput() { |
| setInput("AB\n"); |
| assertEval("System.in.read()", "65"); |
| setInput("CD\n"); |
| assertEval("System.in.read()", "67"); |
| } |
| |
| public void testScanner() { |
| assertEval("import java.util.Scanner;"); |
| assertEval("Scanner s = new Scanner(System.in);"); |
| setInput("12\n"); |
| assertEval("s.nextInt();", "12"); |
| } |
| |
| public void testClose() { |
| setInput(new InputStream() { |
| private final byte[] data = new byte[] {0, 1, 2}; |
| private int cursor; |
| @Override public int read() throws IOException { |
| if (cursor < data.length) { |
| return data[cursor++]; |
| } else { |
| return -1; |
| } |
| } |
| }); |
| assertEval("int read;", "0"); |
| assertEval("System.in.read();", "0"); |
| assertEval("System.in.read();", "1"); |
| assertEval("System.in.read();", "2"); |
| assertEval("System.in.read();", "-1"); |
| assertEval("System.in.read();", "-1"); |
| assertEval("System.in.read();", "-1"); |
| } |
| |
| public void testException() { |
| setInput(new InputStream() { |
| private final int[] data = new int[] {0, 1, -2, 2}; |
| private int cursor; |
| @Override public int read() throws IOException { |
| if (cursor < data.length) { |
| int d = data[cursor++]; |
| if (d == (-2)) { |
| throw new IOException("Crashed"); |
| } |
| return d; |
| } else { |
| return -1; |
| } |
| } |
| }); |
| assertEval("int read;", "0"); |
| assertEval("System.in.read();", "0"); |
| assertEval("System.in.read();", "1"); |
| assertEval("java.io.IOException e;"); |
| assertEval("try { System.in.read(); } catch (java.io.IOException exc) { e = exc; }"); |
| assertEval("e", "java.io.IOException: Crashed"); |
| assertEval("System.in.read();", "2"); |
| assertEval("System.in.read();", "-1"); |
| } |
| } |