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EasyMock example source code file (UsageConstraintsTest.java)

This example EasyMock source code file (UsageConstraintsTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - EasyMock tags/keywords

a, a, assertionerror, bigdecimal, bigdecimal, comparator, equals, illegalstateexception, integer, math, object, object, string, test, test, util

The EasyMock UsageConstraintsTest.java source code

/*
 * Copyright (c) 2001-2007 OFFIS, Tammo Freese.
 * This program is made available under the terms of the MIT License.
 */
package org.easymock.tests2;

import static org.easymock.EasyMock.*;
import static org.junit.Assert.*;

import java.math.BigDecimal;
import java.util.Comparator;

import org.easymock.LogicalOperator;
import org.easymock.internal.matchers.Equals;
import org.easymock.tests.IMethods;
import org.junit.Before;
import org.junit.Test;

public class UsageConstraintsTest {
    private IMethods mock;

    @Before
    public void setUp() {
        mock = createMock(IMethods.class);
    }

    @Test
    public void equalsMissing() {
        mock.simpleMethodWithArgument(not(eq("asd")));
        try {
            mock.simpleMethodWithArgument(not("jkl"));
            fail();
        } catch (IllegalStateException e) {
            assertEquals("no matchers found.", e.getMessage());
        }
        try {
            mock.simpleMethodWithArgument(or(eq("jkl"), "asd"));
            fail();
        } catch (IllegalStateException e) {
            assertEquals("2 matchers expected, 1 recorded.", e.getMessage());
        }
        try {
            mock.threeArgumentMethod(1, "asd", eq("asd"));
            fail();
        } catch (IllegalStateException e) {
            assertEquals("3 matchers expected, 1 recorded.", e.getMessage());
        }

    }

    @Test
    public void differentConstraintsOnSameCall() {
        mock.simpleMethodWithArgument((String) isNull());
        mock.simpleMethodWithArgument((String) notNull());
        replay(mock);
        mock.simpleMethodWithArgument(null);
        mock.simpleMethodWithArgument("2");
    }

    @Test
    public void equals() {
        assertEquals(new Equals(null), new Equals(null));
        assertEquals(new Equals(new Integer(2)), new Equals(new Integer(2)));
        assertFalse(new Equals(null).equals(null));
        assertFalse(new Equals(null).equals("Test"));
        try {
            new Equals(null).hashCode();
            fail();
        } catch (UnsupportedOperationException expected) {
        }
    }

    @Test
    public void constraints() {
        expect(
                mock.threeArgumentMethod(and(geq(7), leq(10)),
                        isA(String.class), contains("123"))).andReturn("456")
                .atLeastOnce();
        replay(mock);
        boolean failed = false;
        try {
            mock.threeArgumentMethod(11, "", "01234");
        } catch (AssertionError expected) {
            failed = true;
        }
        if (!failed) {
            fail();
        }
        failed = false;
        try {
            mock.threeArgumentMethod(8, new Object(), "01234");
        } catch (AssertionError expected) {
            failed = true;
        }
        if (!failed) {
            fail();
        }
        failed = false;
        try {
            mock.threeArgumentMethod(8, "", "no match");
        } catch (AssertionError expected) {
            failed = true;
        }
        if (!failed) {
            fail();
        }
        assertEquals("456", mock.threeArgumentMethod(8, "", "01234"));
        verify(mock);
    }

    @Test
    public void andOverloaded() {
        expect(mock.oneArg(and(eq(false), eq(false)))).andReturn("0");
        expect(mock.oneArg(and(eq((byte) 1), eq((byte) 1)))).andReturn("1");
        expect(mock.oneArg(and(eq('a'), eq('a')))).andReturn("2");
        expect(mock.oneArg(and(eq((double) 1), eq((double) 1)))).andReturn("3");
        expect(mock.oneArg(and(eq((float) 1), eq((float) 1)))).andReturn("4");
        expect(mock.oneArg(and(eq((int) 1), eq((int) 1)))).andReturn("5");
        expect(mock.oneArg(and(eq((long) 1), eq((long) 1)))).andReturn("6");
        expect(mock.oneArg(and(eq((short) 1), eq((short) 1)))).andReturn("7");
        expect(mock.oneArg(and(contains("a"), contains("d")))).andReturn("8");
        expect(mock.oneArg(and(isA(Class.class), eq(Object.class)))).andReturn(
                "9");
        replay(mock);
        assertEquals("9", mock.oneArg(Object.class));
        assertEquals("0", mock.oneArg(false));
        assertEquals("1", mock.oneArg((byte) 1));
        assertEquals("2", mock.oneArg('a'));
        assertEquals("3", mock.oneArg((double) 1));
        assertEquals("7", mock.oneArg((short) 1));
        assertEquals("8", mock.oneArg("abcde"));
        assertEquals("4", mock.oneArg((float) 1));
        assertEquals("5", mock.oneArg((int) 1));
        assertEquals("6", mock.oneArg((long) 1));
        verify(mock);
    }

    @Test
    public void orOverloaded() {
        expect(mock.oneArg(or(eq(false), eq(true)))).andReturn("0");
        expect(mock.oneArg(or(eq((byte) 1), eq((byte) 2)))).andReturn("1");
        expect(mock.oneArg(or(eq((char) 1), eq((char) 2)))).andReturn("2");
        expect(mock.oneArg(or(eq((double) 1), eq((double) 2)))).andReturn("3");
        expect(mock.oneArg(or(eq((float) 1), eq((float) 2)))).andReturn("4");
        expect(mock.oneArg(or(eq((int) 1), eq((int) 2)))).andReturn("5");
        expect(mock.oneArg(or(eq((long) 1), eq((long) 2)))).andReturn("6");
        expect(mock.oneArg(or(eq((short) 1), eq((short) 2)))).andReturn("7");
        expect(mock.oneArg(or(eq("asd"), eq("jkl")))).andReturn("8");
        expect(mock.oneArg(or(eq(this.getClass()), eq(Object.class))))
                .andReturn("9");
        replay(mock);
        assertEquals("9", mock.oneArg(Object.class));
        assertEquals("0", mock.oneArg(true));
        assertEquals("1", mock.oneArg((byte) 2));
        assertEquals("2", mock.oneArg((char) 1));
        assertEquals("3", mock.oneArg((double) 2));
        assertEquals("7", mock.oneArg((short) 1));
        assertEquals("8", mock.oneArg("jkl"));
        assertEquals("4", mock.oneArg((float) 1));
        assertEquals("5", mock.oneArg((int) 2));
        assertEquals("6", mock.oneArg((long) 1));
        verify(mock);
    }

    @Test
    public void notOverloaded() {
        expect(mock.oneArg(not(eq(false)))).andReturn("0");
        expect(mock.oneArg(not(eq((byte) 1)))).andReturn("1");
        expect(mock.oneArg(not(eq('a')))).andReturn("2");
        expect(mock.oneArg(not(eq((double) 1)))).andReturn("3");
        expect(mock.oneArg(not(eq((float) 1)))).andReturn("4");
        expect(mock.oneArg(not(eq((int) 1)))).andReturn("5");
        expect(mock.oneArg(not(eq((long) 1)))).andReturn("6");
        expect(mock.oneArg(not(eq((short) 1)))).andReturn("7");
        expect(mock.oneArg(not(contains("a")))).andReturn("8");
        expect(mock.oneArg(not(isA(Class.class)))).andReturn("9");
        replay(mock);
        assertEquals("9", mock.oneArg(new Object()));
        assertEquals("0", mock.oneArg(true));
        assertEquals("1", mock.oneArg((byte) 2));
        assertEquals("2", mock.oneArg('b'));
        assertEquals("3", mock.oneArg((double) 2));
        assertEquals("7", mock.oneArg((short) 2));
        assertEquals("8", mock.oneArg("bcde"));
        assertEquals("4", mock.oneArg((float) 2));
        assertEquals("5", mock.oneArg((int) 2));
        assertEquals("6", mock.oneArg((long) 2));
        verify(mock);
    }

    @Test
    public void lessOrEqualOverloaded() {
        expect(mock.oneArg(leq((byte) 1))).andReturn("1");
        expect(mock.oneArg(leq((double) 1))).andReturn("3");
        expect(mock.oneArg(leq((float) 1))).andReturn("4");
        expect(mock.oneArg(leq((int) 1))).andReturn("5");
        expect(mock.oneArg(leq((long) 1))).andReturn("6");
        expect(mock.oneArg(leq((short) 1))).andReturn("7");
        expect(mock.oneArg(leq(new BigDecimal("1")))).andReturn("8");
        replay(mock);
        assertEquals("1", mock.oneArg((byte) 1));
        assertEquals("3", mock.oneArg((double) 1));
        assertEquals("7", mock.oneArg((short) 0));
        assertEquals("4", mock.oneArg((float) -5));
        assertEquals("5", mock.oneArg((int) -2));
        assertEquals("6", mock.oneArg((long) -3));
        assertEquals("8", mock.oneArg(new BigDecimal("0.5")));
        verify(mock);
    }

    @Test
    public void lessThanOverloaded() {
        expect(mock.oneArg(lt((byte) 1))).andReturn("1");
        expect(mock.oneArg(lt((double) 1))).andReturn("3");
        expect(mock.oneArg(lt((float) 1))).andReturn("4");
        expect(mock.oneArg(lt((int) 1))).andReturn("5");
        expect(mock.oneArg(lt((long) 1))).andReturn("6");
        expect(mock.oneArg(lt((short) 1))).andReturn("7");
        expect(mock.oneArg(lt(new BigDecimal("1")))).andReturn("8");
        replay(mock);
        assertEquals("1", mock.oneArg((byte) 0));
        assertEquals("3", mock.oneArg((double) 0));
        assertEquals("7", mock.oneArg((short) 0));
        assertEquals("4", mock.oneArg((float) -4));
        assertEquals("5", mock.oneArg((int) -34));
        assertEquals("6", mock.oneArg((long) -6));
        assertEquals("8", mock.oneArg(new BigDecimal("0.5")));
        verify(mock);
    }

    @Test
    public void greaterOrEqualOverloaded() {
        expect(mock.oneArg(geq((byte) 1))).andReturn("1");
        expect(mock.oneArg(geq((double) 1))).andReturn("3");
        expect(mock.oneArg(geq((float) 1))).andReturn("4");
        expect(mock.oneArg(geq((int) 1))).andReturn("5");
        expect(mock.oneArg(geq((long) 1))).andReturn("6");
        expect(mock.oneArg(geq((short) 1))).andReturn("7");
        expect(mock.oneArg(geq(new BigDecimal("1")))).andReturn("8");
        replay(mock);
        assertEquals("1", mock.oneArg((byte) 2));
        assertEquals("3", mock.oneArg((double) 1));
        assertEquals("7", mock.oneArg((short) 2));
        assertEquals("4", mock.oneArg((float) 3));
        assertEquals("5", mock.oneArg((int) 4));
        assertEquals("6", mock.oneArg((long) 5));
        assertEquals("8", mock.oneArg(new BigDecimal("1.5")));
        verify(mock);
    }

    @Test
    public void greaterThanOverloaded() {
        expect(mock.oneArg(gt((byte) 1))).andReturn("1");
        expect(mock.oneArg(gt((double) 1))).andReturn("3");
        expect(mock.oneArg(gt((float) 1))).andReturn("4");
        expect(mock.oneArg(gt((int) 1))).andReturn("5");
        expect(mock.oneArg(gt((long) 1))).andReturn("6");
        expect(mock.oneArg(gt((short) 1))).andReturn("7");
        expect(mock.oneArg(gt(new BigDecimal("1")))).andReturn("8");
        replay(mock);
        assertEquals("1", mock.oneArg((byte) 2));
        assertEquals("3", mock.oneArg((double) 2));
        assertEquals("7", mock.oneArg((short) 2));
        assertEquals("4", mock.oneArg((float) 3));
        assertEquals("5", mock.oneArg((int) 2));
        assertEquals("6", mock.oneArg((long) 5));
        assertEquals("8", mock.oneArg(new BigDecimal("1.5")));
        verify(mock);
    }

    @Test
    public void cmpTo() {
        expect(mock.oneArg(cmpEq(new BigDecimal("1.5")))).andReturn("0");
        replay(mock);
        assertEquals("0", mock.oneArg(new BigDecimal("1.50")));
        verify(mock);
    }

    public static class A {
        private int value;

        public A(int value) {
            this.value = value;
        }

        public int getValue() {
            return value;
        }
    }

    @Test
    public void compareWithComparator() {
        Comparator<A> comparator = new Comparator() {
            public int compare(A a1, A a2) {
                return a1.getValue() - a2.getValue();
            }
        };

        // Check my comparator works
        assertTrue(comparator.compare(new A(1), new A(2)) < 0);
        assertTrue(comparator.compare(new A(2), new A(1)) > 0);
        assertTrue(comparator.compare(new A(1), new A(1)) == 0);

        // Now test EasyMock.cmp
        checkOrder(mock, true);
        
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.EQUAL))).andReturn("0");
        
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.GREATER))).andReturn("1");
        
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.GREATER_OR_EQUAL))).andReturn("2");
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.GREATER_OR_EQUAL))).andReturn("2");
        
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.LESS_OR_EQUAL))).andReturn("3");
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.LESS_OR_EQUAL))).andReturn("3");
        
        expect(mock.oneArg(cmp(new A(5), comparator, 
                LogicalOperator.LESS_THAN))).andReturn("4");
                
        replay(mock);
        
        checkItFails(null); // null is not comparable so always return false
        try {
            mock.oneArg("");
            fail();
        }
        catch(AssertionError e) {} // different type isn't either
        
        checkItFails(new A(4));
        checkItFails(new A(6));
        assertEquals("0", mock.oneArg(new A(5)));

        checkItFails(new A(4));
        checkItFails(new A(5));        
        assertEquals("1", mock.oneArg(new A(6)));
        
        checkItFails(new A(4));
        assertEquals("2", mock.oneArg(new A(6)));
        assertEquals("2", mock.oneArg(new A(5)));
        
        checkItFails(new A(6));
        assertEquals("3", mock.oneArg(new A(4)));
        assertEquals("3", mock.oneArg(new A(5)));

        checkItFails(new A(5));
        checkItFails(new A(6));
        assertEquals("4", mock.oneArg(new A(4)));
        
        verify(mock);
    }

    private void checkItFails(A a) {
        try {
            mock.oneArg(a);
            fail();
        }
        catch(AssertionError e) {}
    }

    @Test
    public void any() {
        expect(mock.oneArg(anyBoolean())).andReturn("0");
        expect(mock.oneArg(anyByte())).andReturn("1");
        expect(mock.oneArg(anyChar())).andReturn("2");
        expect(mock.oneArg(anyDouble())).andReturn("3");
        expect(mock.oneArg(anyFloat())).andReturn("4");
        expect(mock.oneArg(anyInt())).andReturn("5");
        expect(mock.oneArg(anyLong())).andReturn("6");
        expect(mock.oneArg(anyShort())).andReturn("7");
        expect(mock.oneArg((String) anyObject())).andReturn("8");
        expect(mock.oneArg(anyObject())).andReturn("9");
        replay(mock);
        assertEquals("9", mock.oneArg(new Object()));
        assertEquals("0", mock.oneArg(true));
        assertEquals("1", mock.oneArg((byte) 1));
        assertEquals("2", mock.oneArg((char) 1));
        assertEquals("3", mock.oneArg((double) 1));
        assertEquals("7", mock.oneArg((short) 1));
        assertEquals("8", mock.oneArg("Test"));
        assertEquals("4", mock.oneArg((float) 1));
        assertEquals("5", mock.oneArg((int) 1));
        assertEquals("6", mock.oneArg((long) 1));
        verify(mock);
    }

    @Test
    public void arrayEquals() {
        expect(mock.oneArray(aryEq(new boolean[] { true }))).andReturn("0");
        expect(mock.oneArray(aryEq(new byte[] { 1 }))).andReturn("1");
        expect(mock.oneArray(aryEq(new char[] { 1 }))).andReturn("2");
        expect(mock.oneArray(aryEq(new double[] { 1 }))).andReturn("3");
        expect(mock.oneArray(aryEq(new float[] { 1 }))).andReturn("4");
        expect(mock.oneArray(aryEq(new int[] { 1 }))).andReturn("5");
        expect(mock.oneArray(aryEq(new long[] { 1 }))).andReturn("6");
        expect(mock.oneArray(aryEq(new short[] { 1 }))).andReturn("7");
        expect(mock.oneArray(aryEq(new String[] { "Test" }))).andReturn("8");
        expect(mock.oneArray(aryEq(new Object[] { "Test" }))).andReturn("9");
        replay(mock);
        assertEquals("9", mock.oneArray(new Object[] { "Test" }));
        assertEquals("0", mock.oneArray(new boolean[] { true }));
        assertEquals("1", mock.oneArray(new byte[] { 1 }));
        assertEquals("2", mock.oneArray(new char[] { 1 }));
        assertEquals("3", mock.oneArray(new double[] { 1 }));
        assertEquals("7", mock.oneArray(new short[] { 1 }));
        assertEquals("8", mock.oneArray(new String[] { "Test" }));
        assertEquals("4", mock.oneArray(new float[] { 1 }));
        assertEquals("5", mock.oneArray(new int[] { 1 }));
        assertEquals("6", mock.oneArray(new long[] { 1 }));
        verify(mock);
    }

    @Test
    public void greaterOrEqual() {
        expect(mock.oneArg(geq(7))).andReturn("1").times(3);
        expect(mock.oneArg(lt(7))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(7));
        assertEquals("2", mock.oneArg(6));
        assertEquals("1", mock.oneArg(8));
        assertEquals("2", mock.oneArg(6));
        assertEquals("1", mock.oneArg(9));

        verify(mock);
    }

    @Test
    public void greaterThan() {
        expect(mock.oneArg(gt(7))).andReturn("1").times(3);
        expect(mock.oneArg(leq(7))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(8));
        assertEquals("2", mock.oneArg(7));
        assertEquals("1", mock.oneArg(9));
        assertEquals("2", mock.oneArg(6));
        assertEquals("1", mock.oneArg(10));

        verify(mock);
    }

    @Test
    public void lessOrEqual() {
        expect(mock.oneArg(leq(7))).andReturn("1").times(3);
        expect(mock.oneArg(gt(7))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(7));
        assertEquals("2", mock.oneArg(8));
        assertEquals("1", mock.oneArg(6));
        assertEquals("2", mock.oneArg(9));
        assertEquals("1", mock.oneArg(5));

        verify(mock);
    }

    @Test
    public void lessThan() {
        expect(mock.oneArg(lt(7))).andReturn("1").times(3);
        expect(mock.oneArg(geq(7))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(5));
        assertEquals("2", mock.oneArg(7));
        assertEquals("1", mock.oneArg(6));
        assertEquals("2", mock.oneArg(8));
        assertEquals("1", mock.oneArg(4));

        verify(mock);
    }

    @Test
    public void testOr() {
        expect(mock.oneArg(or(eq(7), eq(9)))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(anyInt())).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(7));
        assertEquals("1", mock.oneArg(9));
        assertEquals("2", mock.oneArg(10));

        verify(mock);
    }

    @Test
    public void testNull() {
        expect(mock.threeArgumentMethod(eq(1), isNull(), eq("")))
                .andReturn("1").atLeastOnce();
        expect(mock.threeArgumentMethod(eq(1), not(isNull()), eq("")))
                .andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.threeArgumentMethod(1, null, ""));
        assertEquals("2", mock.threeArgumentMethod(1, new Object(), ""));

        verify(mock);
    }

    @Test
    public void testNotNull() {
        expect(mock.threeArgumentMethod(eq(1), notNull(), eq(""))).andReturn(
                "1").atLeastOnce();
        expect(mock.threeArgumentMethod(eq(1), not(notNull()), eq("")))
                .andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.threeArgumentMethod(1, new Object(), ""));
        assertEquals("2", mock.threeArgumentMethod(1, null, ""));

        verify(mock);
    }

    @Test
    public void testFind() {
        expect(mock.oneArg(find("[a-z]+\\d"))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(find("\\d\\d"))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg("1ab12"));
        assertEquals("2", mock.oneArg("312xx"));

        verify(mock);
    }

    @Test
    public void testMatches() {
        expect(mock.oneArg(matches("[a-z]+\\d\\d"))).andReturn("1")
                .atLeastOnce();
        expect(mock.oneArg(matches("\\d\\d\\d"))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg("a12"));
        assertEquals("2", mock.oneArg("131"));

        verify(mock);
    }

    @Test
    public void testContains() {
        expect(mock.oneArg(contains("ab"))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(contains("bc"))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg("xabcx"));
        assertEquals("2", mock.oneArg("xdbcx"));

        verify(mock);
    }

    @Test
    public void testStartsWith() {
        expect(mock.oneArg(startsWith("ab"))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(startsWith("bc"))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg("abcx"));
        assertEquals("2", mock.oneArg("bcxe"));

        verify(mock);
    }

    @Test
    public void testEndsWith() {
        expect(mock.oneArg(endsWith("ab"))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(endsWith("bc"))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg("xab"));
        assertEquals("2", mock.oneArg("xbc"));

        verify(mock);
    }

    @Test
    public void equalsWithDelta() {
        expect(mock.oneArg(eq(1.0D, 0.1D))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(eq(2.0D, 0.1D))).andStubReturn("2");
        expect(mock.oneArg(eq(1.0F, 0.1F))).andReturn("3").atLeastOnce();
        expect(mock.oneArg(eq(2.0F, 0.1F))).andStubReturn("4");
        expect(mock.oneArg(eq(2.0F, 0.1F))).andStubReturn("4");

        replay(mock);

        assertEquals("1", mock.oneArg(1.0));
        assertEquals("1", mock.oneArg(0.91));
        assertEquals("1", mock.oneArg(1.09));
        assertEquals("2", mock.oneArg(2.0));

        assertEquals("3", mock.oneArg(1.0F));
        assertEquals("3", mock.oneArg(0.91F));
        assertEquals("3", mock.oneArg(1.09F));
        assertEquals("4", mock.oneArg(2.0F));

        verify(mock);
    }

    @Test
    public void testSame() {
        Object one = new String("1243");
        Object two = new String("1243");

        assertNotSame(one, two);
        assertEquals(one, two);

        expect(mock.oneArg(same(one))).andReturn("1").atLeastOnce();
        expect(mock.oneArg(same(two))).andStubReturn("2");

        replay(mock);

        assertEquals("1", mock.oneArg(one));
        assertEquals("2", mock.oneArg(two));

        verify(mock);
    }
}
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