private static boolean doEcho(PolyglotEngine vm) {
PolyglotEngine.Value echoValue = vm.eval(GET_ECHO);
Object echo = echoValue.get();
if (echo instanceof TruffleObject) {
RLogicalVector echoVec = echoValue.as(RLogicalVector.class);
return RRuntime.fromLogical(echoVec.getDataAt(0));
} else if (echo instanceof Byte) {
return RRuntime.fromLogical((Byte) echo);
} else {
throw RInternalError.shouldNotReachHere();
}
}
/**
* Executes the passed in test case. Instrumentation is added according to the name of the file as
* explained in {@link #createTests(Class)}. Note that this code is not generalizable.
*/
@Override
protected void runChild(InstrumentTestCase testCase, RunNotifier notifier) {
// TODO Current tests are hard-coded, automate this eventually
notifier.fireTestStarted(testCase.name);
ByteArrayOutputStream out = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(out);
PolyglotEngine vm = null;
try {
// We use the name of the file to determine what visitor to attach to it.
if (testCase.baseName.endsWith(ASSIGNMENT_VALUE_SUFFIX)) {
// Set up the execution context for Simple and register our two listeners
vm =
PolyglotEngine.newBuilder()
.setIn(new ByteArrayInputStream(testCase.testInput.getBytes("UTF-8")))
.setOut(out)
.build();
final String src = readAllLines(testCase.path);
vm.eval(Source.fromText(src, testCase.path.toString()).withMimeType("application/x-sl"));
PolyglotEngine.Value main = vm.findGlobalSymbol("main");
main.execute();
} else {
notifier.fireTestFailure(
new Failure(
testCase.name, new UnsupportedOperationException("No instrumentation found.")));
}
ps.flush();
String actualOutput = new String(out.toByteArray());
Assert.assertEquals(testCase.expectedOutput, actualOutput);
} catch (Throwable ex) {
notifier.fireTestFailure(new Failure(testCase.name, ex));
} finally {
if (vm != null) {
vm.dispose();
}
notifier.fireTestFinished(testCase.name);
}
}
