mirror of
https://github.com/dart-lang/sdk
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05ca544f15
Change-Id: Iaa0ca2b4f2d1b15f79ddca37834d3ed2497bc068 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149242 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
165 lines
3.1 KiB
Dart
165 lines
3.1 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import "package:expect/expect.dart";
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// Test that optimized '+' and slow path '+' produce the same error.
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@pragma('dart2js:noInline')
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@pragma('dart2js:assumeDynamic')
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confuse(x) => x;
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void check2(String name, name1, f1, name2, f2) {
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Error trap(part, f) {
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try {
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f();
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} catch (e) {
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return e;
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}
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Expect.fail('should throw: $name.$part');
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}
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var e1 = trap(name1, f1);
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var e2 = trap(name2, f2);
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var s1 = '$e1';
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var s2 = '$e2';
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Expect.equals(s1, s2, '\n $name.$name1: "$s1"\n $name.$name2: "$s2"\n');
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}
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void check(String name, f1, f2, [f3, f4, f5, f6, f7]) {
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check2(name, 'f1', f1, 'f2', f2);
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if (f3 != null) check2(name, 'f1', f1, 'f3', f3);
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if (f4 != null) check2(name, 'f1', f1, 'f4', f4);
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if (f5 != null) check2(name, 'f1', f1, 'f5', f5);
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if (f6 != null) check2(name, 'f1', f1, 'f6', f6);
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if (f7 != null) check2(name, 'f1', f1, 'f7', f7);
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}
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class IntPlusNull {
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static f1() {
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return confuse(1) + confuse(null);
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}
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static f2() {
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return confuse(1) + null;
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}
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static f3() {
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return (confuse(1) as int) + confuse(null);
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}
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static f4() {
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return (confuse(1) as int) + null;
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}
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static f5() {
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var a = confuse(true) ? 1 : 2; // Small int with unknown value.
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return a + confuse(null);
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}
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static f6() {
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var a = confuse(true) ? 1 : 2; // Small int with unknown value.
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return a + null;
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}
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static f7() {
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return 1 + null;
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}
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static test() {
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check('IntPlusNull', f1, f2, f3, f4, f5, f6, f7);
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}
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}
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class StringPlusNull {
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static f1() {
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return confuse('a') + confuse(null);
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}
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static f2() {
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return confuse('a') + null;
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}
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static f3() {
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return (confuse('a') as String) + confuse(null);
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}
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static f4() {
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return (confuse('a') as String) + null;
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}
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static f5() {
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var a = confuse(true) ? 'a' : 'bc';
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return a + confuse(null);
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}
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static f6() {
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var a = confuse(true) ? 'a' : 'bc';
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return a + null;
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}
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static f7() {
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return 'a' + null;
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}
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static test() {
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check('StringPlusNull', f1, f2, f3, f4, f5, f6, f7);
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}
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}
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class IntPlusString {
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static f1() {
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return confuse(1) + confuse('a');
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}
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static f2() {
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return confuse(1) + 'a';
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}
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static f3() {
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var a = confuse(true) ? 1 : 2; // Small int with unknown value.
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return a + confuse('a');
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}
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static f4() {
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return (confuse(1) as int) + confuse('a');
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}
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static test() {
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check('IntPlusString', f1, f2, f3, f4);
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}
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}
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class StringPlusInt {
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static f1() {
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return confuse('a') + confuse(1);
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}
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static f2() {
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return confuse('a') + 1;
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}
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static f3() {
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return (confuse('a') as String) + confuse(1);
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}
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static f4() {
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var a = confuse(true) ? 'a' : 'bc';
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return a + confuse(1);
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}
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static test() {
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check('StringPlusInt', f1, f2, f3, f4);
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}
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}
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main() {
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IntPlusNull.test();
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StringPlusNull.test();
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IntPlusString.test();
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StringPlusInt.test();
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}
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