theoriesperformancetest.java

junit

package org.junit.tests.experimental.theories.runner;

import static org.junit.Assert.assertThat;
import static org.junit.Assume.assumeTrue;
import static org.junit.experimental.results.PrintableResult.testResult;
import static org.junit.experimental.results.ResultMatchers.isSuccessful;
import org.junit.Test;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;

public class TheoriesPerformanceTest {
	@RunWith(Theories.class)
	public static class UpToTen {
		@DataPoints
		public static int[] ints= { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

		@Theory
		public void threeInts(int x, int y, int z) {
			// pass always
		}
	}

	private static final boolean TESTING_PERFORMANCE= false;

	// If we do not share the same instance of TestClass, repeatedly parsing the 
	// class's annotations looking for @Befores and @Afters gets really costly.
	//
	// Likewise, the TestClass must be passed into AllMembersSupplier, or the
	// annotation parsing is again costly.
	@Test
	public void tryCombinationsQuickly() {
		assumeTrue(TESTING_PERFORMANCE);
		assertThat(testResult(UpToTen.class), isSuccessful());
	}
}