blob: 1250ef7ab434f0b7c422a6fdb1e8b0fc9ea4104a [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Test constant folding on numbers.
import 'package:async_helper/async_helper.dart';
import '../compiler_helper.dart';
const String SIMPLY_EMPTY = """
int foo(x) => x;
void main() {
var a = foo(4);
var b = 1;
switch (a) {
case 1:
b += 2;
a = 0;
}
print(a);
}
""";
const String TOTAL = """
void main() {
for (int a = 0; a < 3; a++) {
switch (a) {
case 0:
a = 99;
break;
case 1:
a = 2;
break;
case 2:
a = 1;
break;
default:
a = 33;
}
}
print(a);
}
""";
const String OPTIMIZED = """
void main() {
var b;
for (int a = 0; a < 3; a++) {
switch (a) {
case 1:
case 2:
b = 0;
++a;
break;
default:
b = 0;
}
}
print(a+b);
}
""";
const String LABEL = """
void main() {
var b;
for (int a = 0; a < 3; a++) {
switch (a) {
case 1:
break;
case 2:
b = 0;
continue K;
K: case 3:
b = 19;
default:
b = 5;
}
}
print(a+b);
}
""";
const String DEFLABEL = """
void main() {
var b;
for (int a = 0; a < 3; a++) {
switch (a) {
case 1:
continue L;
case 2:
b = 0;
break;
L: default:
b = 5;
}
}
print(a+b);
}
""";
const String EMPTYDEFLABEL = """
void main() {
var b;
for (int a = 0; a < 3; a++) {
switch (a) {
case 1:
continue L;
case 2:
b = 0;
break;
L: default:
}
}
print(a+b);
}
""";
main() {
var def = new RegExp(r"default:");
var defOrCase3 = new RegExp(r"(default:|case 3):");
var case3 = new RegExp(r"case 3:");
runTests({bool useKernel}) async {
await compileAndDoNotMatch(SIMPLY_EMPTY, 'main', def, useKernel: useKernel);
await compileAndDoNotMatch(TOTAL, 'main', defOrCase3, useKernel: useKernel);
await compileAndDoNotMatch(OPTIMIZED, 'main', def, useKernel: useKernel);
await compileAndMatch(LABEL, 'main', case3, useKernel: useKernel);
await compileAndMatch(DEFLABEL, 'main', def, useKernel: useKernel);
await compileAndMatch(EMPTYDEFLABEL, 'main', def, useKernel: useKernel);
}
asyncTest(() async {
print('--test from ast---------------------------------------------------');
await runTests(useKernel: false);
print('--test from kernel------------------------------------------------');
await runTests(useKernel: true);
});
}