Package org.picocontainer.gems.constraints

Examples of org.picocontainer.gems.constraints.Constraint

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    Constraint c1     = (Constraint) mockC1.proxy();
    Constraint c2     = (Constraint) mockC2.proxy();
    Constraint c3     = (Constraint) mockC3.proxy();

    public void testAndAllChildrenConstraintsTrueGivesTrue() {
        Constraint c = new And(c1, c2, c3);

        mockC1.expects(once()).method("evaluate")
            .with(same(adapter))
            .will(returnValue(Boolean.TRUE)).id("c1");
        mockC2.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC1, "c1")
            .will(returnValue(Boolean.TRUE)).id("c2");
        mockC3.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC2, "c2")
            .will(returnValue(Boolean.TRUE));

        assertTrue(c.evaluate(adapter));
    }
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        assertTrue(c.evaluate(adapter));
    }
   
    public void testAndAllChildrenAreVisitedBreadthFirst() {
        Constraint c = new And(c1, c2, c3);
       
        mockVisior.expects(once()).method("visitParameter")
            .with(same(c)).id("v");
        mockC1.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
        mockC2.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
        mockC3.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
       
        c.accept(visitor);
    }
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        c.accept(visitor);
    }

    public void testAndAllChildrenConstraintsTrueGivesTrueUsingAlternateConstructor() {
        Constraint c = new And(new Constraint[] {c1, c2, c3});

        mockC1.expects(once()).method("evaluate")
            .with(same(adapter))
            .will(returnValue(Boolean.TRUE)).id("c1");
        mockC2.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC1, "c1")
            .will(returnValue(Boolean.TRUE)).id("c2");
        mockC3.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC2, "c2")
            .will(returnValue(Boolean.TRUE));

        assertTrue(c.evaluate(adapter));
    }
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        assertTrue(c.evaluate(adapter));
    }

    public void testAndShortCircuitGivesFalse() {
        Constraint c = new And(c1, c2, c3);

        mockC1.expects(once()).method("evaluate")
            .with(same(adapter))
            .will(returnValue(Boolean.TRUE)).id("c1");
        mockC2.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC1, "c1")
            .will(returnValue(Boolean.FALSE));
        mockC3.expects(never()).method("evaluate");

        assertFalse(c.evaluate(adapter));
    }
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        assertFalse(c.evaluate(adapter));
    }

    public void testOrAllChildrenConstraintsFalseGivesFalse() {
        Constraint c = new Or(c1, c2, c3);

        mockC1.expects(once()).method("evaluate")
            .with(same(adapter))
            .will(returnValue(Boolean.FALSE)).id("c1");
        mockC2.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC1, "c1")
            .will(returnValue(Boolean.FALSE)).id("c2");
        mockC3.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC2, "c2")
            .will(returnValue(Boolean.FALSE));

        assertFalse(c.evaluate(adapter));
    }
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        assertFalse(c.evaluate(adapter));
    }
   
    public void testOrAllChildrenAreVisitedBreadthFirst() {
        Constraint c = new Or(c1, c2, c3);
       
        mockVisior.expects(once()).method("visitParameter")
            .with(same(c)).id("v");
        mockC1.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
        mockC2.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
        mockC3.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
       
        c.accept(visitor);
    }
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        c.accept(visitor);
    }

    public void testMixingOrAndNot() {
        Constraint c = new Or(c1, new Not(c2), c3);

        mockC1.expects(once()).method("evaluate")
            .with(same(adapter))
            .will(returnValue(Boolean.FALSE)).id("c1");
        mockC2.expects(once()).method("evaluate")
            .with(same(adapter)).after(mockC1, "c1")
            .will(returnValue(Boolean.FALSE));
        mockC3.expects(never()).method("evaluate");

        assertTrue(c.evaluate(adapter));
    }
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        assertTrue(c.evaluate(adapter));
    }
   
    public void testNotChildIdVisitedBreadthFirst() {
        Constraint c = new Not(c1);
       
        mockVisior.expects(once()).method("visitParameter")
            .with(same(c)).id("v");
        mockC1.expects(once()).method("accept")
            .with(same(visitor)).after(mockVisior, "v");
       
        c.accept(visitor);
    }
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Related Classes of org.picocontainer.gems.constraints.Constraint

  • org.picocontainer.gems.constraints.AndOrNotTestCase
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