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* 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 .
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*/
/*
* @ 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" );
}
}
Messung V0.5 in Prozent C=98 H=94 G=95
¤ Dauer der Verarbeitung: 0.2 Sekunden
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