private void testParseFloat(final String expected, final String value) {
assertEvaluates(expected, "String(parseFloat('" + value + "'))");
}
private void assertEvaluates(final Object expected, final String source) {
final ContextAction action = new ContextAction() {
public Object run(Context cx) {
final Scriptable scope = cx.initStandardObjects();
final Object rep = cx.evaluateString(scope, source, "test.js",
0, null);
assertEquals(expected, rep);