Groovy example source code file (BooleanOperationsTest.groovy)

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Java - Groovy tags/keywords

booleanoperationstest, booleanoperationstest, groovytestcase, groovytestcase

The Groovy BooleanOperationsTest.groovy source code

/*
 * Copyright 2003-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package groovy.operator

class BooleanOperationsTest extends GroovyTestCase {

    void testComparisons() {
        assert true
        assert true != false

        def x = true
        assert x
        assert x == true
        assert x != false

        x = false
        assert x == false
        assert x != true
        assert !x

        def y = false
        assert x == y

        y = true
        assert x != y
    }

    void testIfBranch() {
        def x = false
        def r = false
        if (x) {
            // ignore
        }
        else {
            r = true
        }
        assert r

        x = true
        r = false
        if (x) {
            r = true
        }
        else {
            // ignore
        }
        assert r

        if (!x) {
            r = false
        }
        else {
            r = true
        }
        assert r
    }

    void testBooleanExpression() {
        def x = 5
        def value = x > 2
        assert value

        value = x < 2
        assert value == false
    }


    void testBooleanOps() {
        boolean x = true
        boolean y = false
        assert (x & x) == true
        assert (x & y) == false
        assert (y & x) == false
        assert (y & y) == false

        assert (x | x) == true
        assert (x | y) == true
        assert (y | x) == true
        assert (y | y) == false

        assert (x ^ x) == false
        assert (x ^ y) == true
        assert (y ^ x) == true
        assert (y ^ y) == false

        assert (!x) == false
        assert (!y) == true
    }


    void testBooleanAssignOps() {
        boolean z = true
        z &= true
        assert z == true
        z &= false
        assert z == false

        z = true
        z |= true
        assert z == true
        z |= false
        assert z == true
        z = false
        z |= false
        assert z == false
        z |= true
        assert z == true

        z = true
        z ^= true
        assert z == false
        z ^= true
        assert z == true
        z ^= false
        assert z == true
        z ^= true
        assert z == false
        z ^= false
        assert z == false
    }

}