source: java2python/junit-t/assert/testcode/AssertTest.java

package testcode;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * This test is a bit weird/old school, it's not a junit test in java, but just
 * assumes someone calls main function. The tests print ok if test succeeded
 * This mechanism should be used only in core as there is no @Test available
 * there.
 *
 */
public class AssertTest {

        public AssertTest() {
                test1();
                test2();
                testAssertTrue();
                test3argversions();
        }

        /**
         * The test code
         */
        public static void main(String[] args) throws Exception {
                new AssertTest();
        }

        public static void test1() {
                assertEquals(1, 1);
                System.out.println("1ok");
        }

        public static void test2() {
                try {
                        assertEquals("not equal", 1, 2);
                        System.out.println("Test2 did not fail properly");
                        return;
                } catch (AssertionError e) {
                        if (!e.getMessage().contains("not equal")) {
                                System.out.println(
                                                "Test threw as expected but message does not contain 'not equal'");
                                return;
                        }
                        System.out.println("2ok");
                }
        }

        public static void testAssertTrue() {
                try {
                        assertTrue("not true", false);
                        System.out.println("3ko");
                } catch (AssertionError e) {
                        if (!e.getMessage().contains("not true"))
                                System.out.println("3missing message");
                        else
                                System.out.println("3ok");
                }
        }

        public static void test3argversions() {
                assertEquals("niet gelijk", 0, 0); // message
                assertEquals(1.0d, 1.1d, 0.11d); // tolerance
                assertEquals(1.0d, 0.9d, 0.11d); // tolerance
                System.out.println("4ok");
        }
}