src/test/groovy/bugs/AsBoolBug.groovy

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 *  to you under the Apache License, Version 2.0 (the
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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package groovy.bugs

import groovy.test.GroovyTestCase

/**
 * Test to fix the Jira issues GROOVY-810 and GROOVY-811.
 * Test of "string as Boolean" against the issue GROOVY-812.
 */

public class AsBoolBug extends GroovyTestCase {

    void testMapAsBool() {
        def a = ["A":123]
        assert a as Boolean == true
        a = [:]
        assert a as Boolean == false
    }

    void testListAsBool() {
        def b = [123]
        assert b as Boolean == true
        b = []
        assert b as Boolean == false
    }

    /**
     * void testStringAsBool().
     *
     * <code>string as Boolean</code> is equivalent to
     *     <code>string != null && string.length() > 0</code>.
     */
    // Unfortunately, it contradicts several other test cases, and
    // it has already been decided to handle string-to-boolean conversions
    // differently. Commented out temporarily on 10 May 2005.
    // This is a test case against GROOVY-812
    void testStringAsBool() {
        def c = "false"
        assert c as Boolean == true
        assert c as Boolean == (c != null && c.length() > 0)
        boolean z = c
        assert z == true

        c = "123"
        assert c as Boolean == true
        assert c as Boolean == (c != null && c.length() > 0)

        c = "False"
        assert c as Boolean == true
        assert c as Boolean == (c != null && c.length() > 0)
        z = c
        assert z
    }
}