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package org.kohsuke.args4j;
import junit.framework.TestCase;
import java.util.List;
public class ArgumentTest extends TestCase {
protected static class MultiValueHolder {
@Argument
public List<String> things;
}
protected static class SingleValueHolder {
@Argument(metaVar = "thing", required = true)
public String thing;
}
protected static class BooleanValueHolder {
@Argument(metaVar = "thing", required = true)
public boolean b;
}
public void testMultiValue() throws Exception {
MultiValueHolder holder = new MultiValueHolder();
CmdLineParser parser = new CmdLineParser(holder);
parser.parseArgument(new String[] { "one", "two" });
assertEquals(2, holder.things.size());
assertEquals("one", holder.things.get(0));
assertEquals("two", holder.things.get(1));
}
public void testTooFew() throws Exception {
SingleValueHolder holder = new SingleValueHolder();
CmdLineParser parser = new CmdLineParser(holder);
try {
parser.parseArgument(new String[] {});
} catch (CmdLineException e) {
assertEquals("Argument \"thing\" is required", e.getMessage());
return;
}
fail("expected " + CmdLineException.class);
}
public void testBoolean() throws Exception {
BooleanValueHolder holder = new BooleanValueHolder();
CmdLineParser parser = new CmdLineParser(holder);
parser.parseArgument(new String[] { "true" });
assertTrue(holder.b);
}
public void testIllegalBoolean() throws Exception {
BooleanValueHolder holder = new BooleanValueHolder();
CmdLineParser parser = new CmdLineParser(holder);
try {
parser.parseArgument(new String[] { "xyz" });
} catch (CmdLineException e) {
assertEquals("\"xyz\" is not a legal boolean value", e.getMessage());
return;
}
fail("expected " + CmdLineException.class);
}
}
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