Groovy example source code file (ScriptSourcePositionInAstTest.groovy)

This example Groovy source code file (ScriptSourcePositionInAstTest.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

bar, bar, baz, baz, compilationunit, compilationunit, groovytestcase, scriptsourcepositioninasttest, scriptsourcepositioninasttest

The Groovy ScriptSourcePositionInAstTest.groovy source code

package groovy.lang

import org.codehaus.groovy.control.CompilationUnit
import org.codehaus.groovy.control.Phases

/**
 * Check that scripts have proper source position in the AST
 *
 * @author Guillaume Laforge
 */
class ScriptSourcePositionInAstTest extends GroovyTestCase {

    private positionsForScript(String text) {
        CompilationUnit cu = new CompilationUnit()
        cu.addSource("scriptSourcePosition.groovy", text)
        cu.compile(Phases.SEMANTIC_ANALYSIS)
        
        def node = cu.getAST().getClass("scriptSourcePosition")

        [[node.getLineNumber(), node.getColumnNumber()], [node.getLastLineNumber(), node.getLastColumnNumber()]]
    }

    void testEmptyScript() {
        assert positionsForScript("") == [[-1, -1], [-1, -1]]
    }

    void testSingleStatementScript() {
        assert positionsForScript("println 'hello'") == [[1, 1], [1, 16]]
    }

    void testDoubleStatementScript() {
        assert positionsForScript("""\
            println 'hello'
            println 'bye'
        """.stripIndent()) == [[1, 1], [2, 14]]
    }

    void testScriptWithClasses() {
        assert positionsForScript("""\
            class Bar {}
            println 'hello'
            println 'bye'
            class Baz{}
        """.stripIndent()) == [[2, 1], [3, 14]]
    }
}