groovy-core/src/test/groovy/StringBufferTest.groovy

package groovy

class StringBufferTest extends GroovyTestCase {
    void testSize() {
        def x = new StringBuffer()
        assert x.size() == x.length()
        x = new StringBuffer('some text')
        assert x.size() == x.length()
    }

    void testPutAt(){
        def buf = new StringBuffer('0123')
        buf[1..2] = 'xx'
        assert '0xx3' == buf.toString()  , 'replace with String'
        buf = new StringBuffer('0123')
        buf[1..2] = 99
        assert '0993' == buf.toString()  , 'replace with obj.toString()'
        buf = new StringBuffer('0123')
        buf[0..<0] = 'xx'
        assert 'xx0123' == buf.toString(), 'border case left'
        buf = new StringBuffer('0123')
        buf[4..4] = 'xx'
        println buf.toString()
        assert '0123xx' == buf.toString(), 'border case right'
        // more weird Ranges already tested in ListTest
    }
}