dart-sdk/tests/language_strong/switch_test.dart
Bob Nystrom 6c757957db Move the dev_compiler strong mode tests into sdk/tests/.
DDC's codegen test copies those files to a local "gen" directory so
that it can do stuff like splitting out the multitests before it
compiles them to JS.

I left all of that alone, so the rest of DDC's test infrastructure is
unchanged. The very first step that builds the "gen" directory just
copies from sdk/tests/..._strong/... instead and the rest is good to go.

I did not move not_yet_strong_tests.dart somewhere more accessible yet
because I'm not sure if kernel needs it or where it should go.

I did not create any status files because DDC doesn't need them and
there are no test suites for the new directories for the other
platforms.
2016-12-09 11:09:55 -08:00

128 lines
2.4 KiB
Dart

// Copyright (c) 2012, 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 switch statement.
import "package:expect/expect.dart";
class Switcher {
Switcher() { }
test1 (val) {
var x = 0;
switch (val) {
case 1:
x = 100; break;
case 2:
case 3:
x = 200; break;
case 4:
default: {
x = 400; break;
}
}
return x;
}
test2 (val) {
switch (val) {
case 1: return 200;
default: return 400;
}
}
}
class SwitchTest {
static testMain() {
Switcher s = new Switcher();
Expect.equals(100, s.test1(1));
Expect.equals(200, s.test1(2));
Expect.equals(200, s.test1(3));
Expect.equals(400, s.test1(4));
Expect.equals(400, s.test1(5));
Expect.equals(200, s.test2(1));
Expect.equals(400, s.test2(2));
}
}
class Enum {
static const Enum e1 = const Enum(1);
static const Enum e2 = const Enum(2);
static const Enum e3 = const Enum(3);
final int id;
const Enum(this.id);
}
void testSwitchEnum(Enum input, int expect) {
int result = null;
switch (input) {
case Enum.e1:
result = 10;
break;
case Enum.e2:
result = 20;
break;
case Enum.e3:
result = 30;
break;
default:
result = 40;
}
Expect.equals(expect, result);
}
const int ic1 = 1;
const int ic2 = 2;
void testSwitchIntExpression(int input, int expect) {
int result = null;
switch (input) {
case 1 + 1: // 2
case ic1 + 2: // 3
result = 11;
break;
case ic2 * 2: // 4
case 1 * 5: // 5
result = 21;
break;
case ic1 % ic2 + 5: // 6
result = 31;
break;
}
Expect.equals(expect, result);
}
void testSwitchBool(bool input, int expect) {
int result = null;
switch (input) {
case true:
result = 12;
break;
case false:
result = 22;
}
Expect.equals(expect, result);
}
main() {
SwitchTest.testMain();
testSwitchEnum(Enum.e1, 10);
testSwitchEnum(Enum.e2, 20);
testSwitchEnum(Enum.e3, 30);
testSwitchEnum(null, 40);
testSwitchIntExpression(2, 11);
testSwitchIntExpression(3, 11);
testSwitchIntExpression(4, 21);
testSwitchIntExpression(5, 21);
testSwitchIntExpression(6, 31);
testSwitchIntExpression(7, null);
testSwitchBool(true, 12);
testSwitchBool(false, 22);
}