Groovy example source code file (Groovy3511Bug.groovy)

This example Groovy source code file (Groovy3511Bug.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

double, double, float, float, groovy3511bug, groovytestcase, hello, hello, should_have_failed, the, the

The Groovy Groovy3511Bug.groovy source code

package groovy.bugs

import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation

class Groovy3511Bug extends GroovyTestCase {
    final SHOULD_HAVE_FAILED = "The conversion above should have failed"
    void testExceptionMessageStringToNumberConversion() {
        try {
            Double test = "Hello" 
            fail(SHOULD_HAVE_FAILED)
        } catch (ex) {
            verifyExceptionMsg(ex, Double.class.name)
        }
        try {
            Float test = "Hello" 
            fail(SHOULD_HAVE_FAILED)
        } catch (ex) {
            verifyExceptionMsg(ex, Float.class.name)
        }
        try {
            DefaultTypeTransformation.castToNumber("Hello", Long.class) 
            fail(SHOULD_HAVE_FAILED)
        } catch (ex) {
            verifyExceptionMsg(ex, Long.class.name)
        }
        try {
            DefaultTypeTransformation.castToNumber("Hello") 
            fail(SHOULD_HAVE_FAILED)
        } catch (ex) {
            verifyExceptionMsg(ex, Number.class.name)
        }
    }
    
    def verifyExceptionMsg(ex, className) {
        assertTrue ex.message.contains(className)       
    }
}