duplicate_key: {
options = {
objects: true,
side_effects: true,
}
input: {
var o = {
a: 1,
b: 2,
a: 3,
};
for (var k in o)
console.log(k, o[k]);
}
expect: {
var o = {
a: 3,
b: 2,
};
for (var k in o)
console.log(k, o[k]);
}
expect_stdout: [
"a 3",
"b 2",
]
}
duplicate_key_strict: {
options = {
objects: true,
side_effects: true,
}
input: {
"use strict";
var o = {
a: 1,
b: 2,
a: 3,
};
for (var k in o)
console.log(k, o[k]);
}
expect: {
"use strict";
var o = {
a: 1,
a: 3,
b: 2,
};
for (var k in o)
console.log(k, o[k]);
}
expect_stdout: true
}
duplicate_key_side_effect: {
options = {
objects: true,
side_effects: true,
}
input: {
var o = {
a: 1,
b: o = 2,
a: 3,
};
for (var k in o)
console.log(k, o[k]);
}
expect: {
var o = {
a: 1,
b: o = 2,
a: 3,
};
for (var k in o)
console.log(k, o[k]);
}
expect_stdout: [
"a 3",
"b 2",
]
}
duplicate_key_with_accessor: {
options = {
objects: true,
side_effects: true,
}
input: {
[
{
a: 0,
b: 1,
a: 2,
set b(v) {},
},
{
a: 3,
b: 4,
get a() {
return 5;
},
a: 6,
b: 7,
a: 8,
b: 9,
},
].forEach(function(o) {
for (var k in o)
console.log(k, o[k]);
});
}
expect: {
[
{
a: 2,
b: 1,
set b(v) {},
},
{
a: 3,
b: 4,
get a() {
return 5;
},
a: 8,
b: 9,
},
].forEach(function(o) {
for (var k in o)
console.log(k, o[k]);
});
}
expect_stdout: true
}
unsafe_object_repeated: {
options = {
evaluate: true,
objects: true,
reduce_funcs: true,
reduce_vars: true,
side_effects: true,
toplevel: true,
unsafe: true,
}
input: {
var o = { a: { b: 1 }, a: 1 };
console.log(
o + 1,
o.a + 1,
o.b + 1,
o.a.b + 1
);
}
expect: {
var o = { a: 1 };
console.log(
o + 1,
2,
o.b + 1,
NaN
);
}
expect_stdout: true
}
numeric_literal: {
options = {
objects: true,
side_effects: true,
}
mangle = {
properties: true,
}
beautify = {
beautify: true,
}
input: {
var obj = {
0: 0,
"-0": 1,
42: 2,
"42": 3,
0x25: 4,
"0x25": 5,
1E42: 6,
"1E42": 7,
"1e+42": 8,
};
console.log(obj[-0], obj[-""], obj["-0"]);
console.log(obj[42], obj["42"]);
console.log(obj[0x25], obj["0x25"], obj[37], obj["37"]);
console.log(obj[1E42], obj["1E42"], obj["1e+42"]);
}
expect_exact: [
'var obj = {',
' 0: 0,',
' "-0": 1,',
' 42: 3,',
' 37: 4,',
' o: 5,',
' 1e42: 8,',
' b: 7',
'};',
'',
'console.log(obj[-0], obj[-""], obj["-0"]);',
'',
'console.log(obj[42], obj["42"]);',
'',
'console.log(obj[37], obj["o"], obj[37], obj["37"]);',
'',
'console.log(obj[1e42], obj["b"], obj["1e+42"]);',
]
expect_stdout: [
"0 0 1",
"3 3",
"4 5 4 4",
"8 7 8",
]
}
evaluate_computed_key: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
["foo" + "bar"]: "PASS",
}.foobar);
}
expect: {
console.log({
foobar: "PASS",
}.foobar);
}
expect_stdout: "PASS"
node_version: ">=4"
}
keep_computed_key: {
options = {
side_effects: true,
}
input: {
({
[console.log("PASS")]: 42,
});
}
expect: {
console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=4"
}
shorthand_keywords: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var async = 1, get = 2, set = 3, o = {
async,
get,
set,
};
console.log(o.async, o.get, o.set);
}
expect: {
console.log(1, 2, 3);
}
expect_stdout: "1 2 3"
node_version: ">=6"
}
object_super: {
input: {
var o = {
f() {
return super.p;
},
p: "FAIL",
};
Object.setPrototypeOf(o, { p: "PASS" });
console.log(o.f());
}
expect_exact: 'var o={f(){return super.p},p:"FAIL"};Object.setPrototypeOf(o,{p:"PASS"});console.log(o.f());'
expect_stdout: "PASS"
node_version: ">=4"
}
object_super_async: {
input: {
var o = {
async f() {
return super.p;
},
p: "FAIL",
};
Object.setPrototypeOf(o, { p: "PASS" });
o.f().then(console.log);
}
expect_exact: 'var o={async f(){return super.p},p:"FAIL"};Object.setPrototypeOf(o,{p:"PASS"});o.f().then(console.log);'
expect_stdout: "PASS"
node_version: ">=8"
}
object_super_generator: {
input: {
var o = {
*f() {
yield super.p;
},
p: "FAIL",
};
Object.setPrototypeOf(o, { p: "PASS" });
console.log(o.f().next().value);
}
expect_exact: 'var o={*f(){yield super.p},p:"FAIL"};Object.setPrototypeOf(o,{p:"PASS"});console.log(o.f().next().value);'
expect_stdout: "PASS"
node_version: ">=4"
}
object_super_async_generator: {
input: {
var o = {
async *f() {
return super.p;
},
p: "FAIL",
};
Object.setPrototypeOf(o, { p: "PASS" });
o.f().next().then(function(v) {
console.log(v.value, v.done);
});
}
expect_exact: 'var o={async*f(){return super.p},p:"FAIL"};Object.setPrototypeOf(o,{p:"PASS"});o.f().next().then(function(v){console.log(v.value,v.done)});'
expect_stdout: "PASS true"
node_version: ">=10"
}
issue_4269_1: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
get 0() {
return "FAIL";
},
[0]: "PASS",
}[0]);
}
expect: {
console.log({
get 0() {
return "FAIL";
},
[0]: "PASS",
}[0]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4269_2: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
get [0]() {
return "FAIL";
},
0: "PASS",
}[0]);
}
expect: {
console.log({
get [0]() {
return "FAIL";
},
0: "PASS",
}[0]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4269_3: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
["foo"]: "bar",
get 42() {
return "FAIL";
},
42: "PASS",
}[42]);
}
expect: {
console.log({
foo: "bar",
get [42]() {
return "FAIL";
},
42: "PASS",
}[42]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4269_4: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
get 42() {
return "FAIL";
},
["foo"]: "bar",
42: "PASS",
}[42]);
}
expect: {
console.log({
get 42() {
return "FAIL";
},
foo: "bar",
[42]: "PASS",
}[42]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4269_5: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
get 42() {
return "FAIL";
},
[console]: "bar",
42: "PASS",
}[42]);
}
expect: {
console.log({
get 42() {
return "FAIL";
},
[console]: "bar",
42: "PASS",
}[42]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4380: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
get 0() {
return "FAIL 1";
},
0: "FAIL 2",
[0]: "PASS",
}[0]);
}
expect: {
console.log({
get 0() {
return "FAIL 1";
},
[0]: ("FAIL 2", "PASS"),
}[0]);
}
expect_stdout: "PASS"
node_version: ">=4"
}
issue_4415: {
options = {
evaluate: true,
objects: true,
}
input: {
console.log({
["00"]: "FAIL",
}[0] || "PASS");
}
expect: {
console.log({
"00": "FAIL",
}[0] || "PASS");
}
expect_stdout: "PASS"
node_version: ">=4"
}
