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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.transforms;

import static org.apache.juneau.internal.StringUtils.*;
import static org.junit.runners.MethodSorters.*;

import org.apache.juneau.*;
import org.apache.juneau.swap.*;
import org.junit.*;

/**
 * Tests designed to serialize and parse objects to make sure we end up
 * with the same objects for all serializers and parsers.
 */
@FixMethodOrder(NAME_ASCENDING)
public abstract class OneWayStringSwapTest<T> {

	private final String label;
	private final T o;
	private final StringSwap<T> ss;
	private final String expected;
	private final BeanSession bs;

	public OneWayStringSwapTest(String label, T o, StringSwap<T> ss, String expected, BeanSession bs) throws Exception {
		this.label = label;
		this.o = o;
		this.ss = ss;
		this.expected = expected;
		this.bs = bs;
	}

	@Test
	public void testSwap() throws Exception {
		String s = (String)ss.swap(bs, o);
		if (ne(expected, s)) {
			if (expected.isEmpty()) {
				if (! label.startsWith("[]"))
					System.err.println(label.substring(0, label.indexOf(']')+1) + " "+s);  // NOT DEBUG
				Assert.fail();
			} else {
				fail("Test [{0} swap] failed.  Expected=[{1}], Actual=[{2}]", label, expected, s);
			}
		}
	}

	private void fail(String msg, Object...args) {
		String s = format(msg, args);
		System.err.println(s);  // NOT DEBUG
		Assert.fail(s);
	}
}
