/**
* Verifies that the compiler pass's JS output matches the expected output and (optionally) that
* an expected warning is issued. Or, if an error is expected, this method just verifies that the
* error is encountered.
*
* @param externs Externs inputs
* @param js Inputs
* @param expected Expected output, or null if an error is expected
* @param error Expected error, or null if no error is expected
* @param warning Expected warning, or null if no warning is expected
* @param description The description of the expected warning, or null if no warning is expected
* or if the warning's description should not be examined
*/
private void test(
List<SourceFile> externs,
List<SourceFile> js,
String expected,
DiagnosticType error,
DiagnosticType warning,
String description) {
Compiler compiler = createCompiler();
lastCompiler = compiler;
CompilerOptions options = getOptions();
options.setLanguageIn(acceptedLanguage);
// Note that in this context, turning on the checkTypes option won't
// actually cause the type check to run.
options.checkTypes = parseTypeInfo;
compiler.init(externs, js, options);
BaseJSTypeTestCase.addNativeProperties(compiler.getTypeRegistry());
test(compiler, maybeCreateArray(expected), error, warning, description);
}
@Override
protected void setUp() throws Exception {
super.setUp();
mode = LanguageMode.ECMASCRIPT3;
isIdeMode = false;
}