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fix corner case in arguments (#3421)

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fixes #3420
This commit is contained in:
Alex Lam S.L
2019-05-19 12:59:40 +08:00
committed by GitHub
parent 04439edcec
commit ae77ebe5a5
3 changed files with 255 additions and 20 deletions
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154
test/compress/arguments.js
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@@ -622,3 +622,157 @@ issue_3282_2_passes: {
}
expect_stdout: true
}
issue_3420_1: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
console.log(function() {
return function() {
return arguments[0];
};
}().length);
}
expect: {
console.log(function() {
return function() {
return arguments[0];
};
}().length);
}
expect_stdout: "0"
}
issue_3420_2: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
var foo = function() {
delete arguments[0];
};
foo();
}
expect: {
var foo = function() {
delete arguments[0];
};
foo();
}
expect_stdout: true
}
issue_3420_3: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
"use strict";
var foo = function() {
delete arguments[0];
};
foo();
}
expect: {
"use strict";
var foo = function() {
delete arguments[0];
};
foo();
}
expect_stdout: true
}
issue_3420_4: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
!function() {
console.log(arguments[0]);
delete arguments[0];
console.log(arguments[0]);
}(42);
}
expect: {
!function(argument_0) {
console.log(argument_0);
delete arguments[0];
console.log(arguments[0]);
}(42);
}
expect_stdout: [
"42",
"undefined",
]
}
issue_3420_5: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
"use strict";
!function() {
console.log(arguments[0]);
delete arguments[0];
console.log(arguments[0]);
}(42);
}
expect: {
"use strict";
!function(argument_0) {
console.log(argument_0);
delete arguments[0];
console.log(arguments[0]);
}(42);
}
expect_stdout: [
"42",
"undefined",
]
}
issue_3420_6: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
console.log(function() {
return delete arguments[0];
}());
}
expect: {
console.log(function() {
return delete arguments[0];
}());
}
expect_stdout: "true"
}
issue_3420_7: {
options = {
arguments: true,
keep_fargs: "strict",
}
input: {
"use strict";
console.log(function() {
return delete arguments[0];
}());
}
expect: {
"use strict";
console.log(function() {
return delete arguments[0];
}());
}
expect_stdout: "true"
}