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// Copyright (c) 2015, 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.
// @dart = 2.7
/// dart2jsOptions=--omit-implicit-checks
import "package:expect/expect.dart";
// Test that optimized '-' and slow path '-' produce the same error.
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) => x;
void check2(String name, name1, f1, name2, f2) {
Error trap(part, f) {
try {
f();
} catch (e) {
return e;
}
Expect.fail('should throw: $name.$part');
}
var e1 = trap(name1, f1);
var e2 = trap(name2, f2);
var s1 = '$e1';
var s2 = '$e2';
Expect.equals(s1, s2, '\n $name.$name1: "$s1"\n $name.$name2: "$s2"\n');
}
void check(String name, f1, f2, [f3, f4, f5, f6, f7]) {
check2(name, 'f1', f1, 'f2', f2);
if (f3 != null) check2(name, 'f1', f1, 'f3', f3);
if (f4 != null) check2(name, 'f1', f1, 'f4', f4);
if (f5 != null) check2(name, 'f1', f1, 'f5', f5);
if (f6 != null) check2(name, 'f1', f1, 'f6', f6);
if (f7 != null) check2(name, 'f1', f1, 'f7', f7);
}
class IntMinusNull {
static f1() {
return confuse(1) - confuse(null);
}
static f2() {
return confuse(1) - null;
}
static f3() {
return (confuse(1) as int) - confuse(null);
}
static f4() {
return (confuse(1) as int) - null;
}
static f5() {
var a = confuse(true) ? 1 : 2; // Small int with unknown value.
return a - confuse(null);
}
static f6() {
var a = confuse(true) ? 1 : 2; // Small int with unknown value.
return a - null;
}
static f7() {
return 1 - null;
}
static test() {
check('IntMinusNull', f1, f2, f3, f4, f5, f6, f7);
}
}
class IntMinusString {
static f1() {
return confuse(1) - confuse('a');
}
static f2() {
return confuse(1) - 'a';
}
static f3() {
var a = confuse(true) ? 1 : 2; // Small int with unknown value.
return a - confuse('a');
}
static f4() {
return (confuse(1) as int) - confuse('a');
}
static test() {
check('IntMinusString', f1, f2, f3, f4);
}
}
main() {
IntMinusNull.test();
IntMinusString.test();
}