michael@0: // Compiling a script with null filename does not break the Error constructor.
michael@0: 
michael@0: var exc = null;
michael@0: try {
michael@0:     evaluate("throw Error('pass');", {fileName: null});
michael@0: } catch (x) {
michael@0:     exc = x;
michael@0: }
michael@0: assertEq(exc.constructor, Error);
michael@0: assertEq(exc.message, "pass");
michael@0: assertEq(exc.fileName, "");