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package org.junit.tests.running.core;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.internal.RealSystem;
import org.junit.runner.JUnitCore;
public class CommandLineTest {
private ByteArrayOutputStream results;
private PrintStream oldOut;
private static boolean testWasRun;
@Before public void before() {
oldOut= System.out;
results= new ByteArrayOutputStream();
System.setOut(new PrintStream(results));
}
@After public void after() {
System.setOut(oldOut);
}
static public class Example {
@Test public void test() {
testWasRun= true;
}
}
@Test public void runATest() {
testWasRun= false; // todo create a TestSystem instead
new JUnitCore().runMain(new RealSystem(), new String[]{"org.junit.tests.running.core.CommandLineTest$Example"});
assertTrue(testWasRun);
}
@Test public void runAClass() {
testWasRun= false;
JUnitCore.runClasses(Example.class);
assertTrue(testWasRun);
}
private static int fCount;
static public class Count {
@Test public void increment() {
fCount++;
}
}
@Test public void runTwoClassesAsArray() {
fCount= 0;
JUnitCore.runClasses(new Class[] {Count.class, Count.class});
assertEquals(2, fCount);
}
@Test public void runTwoClasses() {
fCount= 0;
JUnitCore.runClasses(Count.class, Count.class);
assertEquals(2, fCount);
}
}
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