groovy-core/src/test/groovy/StringOperationTest.groovy

package groovy

class StringOperationTest extends GroovyTestCase {

    def x
    def y
    
    void testPlus() {
        x = "hello " + "there"
        assert x == "hello there"
        
        x = "hello " + 2
        assert x == "hello 2"
        
        x = "hello " + 1.2
        assert x == "hello 1.2"
        
        y = x + 1
        assert y == "hello 1.21"        
    }

	void testLongPlus() {
	    x = "hello" + " " + "there" + " nice" + " day"
	    
	    assert x == "hello there nice day"
	}
	
    void testMinus() {
		x = "the quick brown fox" - "quick "
		
		assert x == "the brown fox"
		
		y = x - "brown "
		
		assert y == "the fox"
    }
    
    void testOperationsOnConstantString() {
        assert "hello".size() == 5

        assert "the quick brown".substring(4).substring(0,5) == "quick"
    }
}