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mangle unused nested AST_SymbolCatch correctly (#3038)

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fixes #3035
This commit is contained in:
Alex Lam S.L
2018-03-30 16:23:09 +09:00
committed by GitHub
parent 06b9894c19
commit fa3250199a
2 changed files with 82 additions and 5 deletions
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540
test/compress/ie8.js Normal file
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@@ -0,0 +1,540 @@
do_screw: {
options = {
ie8: false,
}
beautify = {
ie8: false,
ascii_only: true,
}
input: {
f("\v");
}
expect_exact: 'f("\\v");'
}
dont_screw: {
options = {
ie8: true,
}
beautify = {
ie8: true,
ascii_only: true,
}
input: {
f("\v");
}
expect_exact: 'f("\\x0B");'
}
do_screw_constants: {
options = {
ie8: false,
}
input: {
f(undefined, Infinity);
}
expect_exact: "f(void 0,1/0);"
}
dont_screw_constants: {
options = {
ie8: true,
}
input: {
f(undefined, Infinity);
}
expect_exact: "f(undefined,Infinity);"
}
do_screw_try_catch: {
options = {
ie8: false,
}
mangle = {
ie8: false,
}
beautify = {
ie8: false,
}
input: {
good = function(e){
return function(error){
try{
e()
} catch(e) {
error(e)
}
}
};
}
expect: {
good = function(n){
return function(t){
try{
n()
} catch(n) {
t(n)
}
}
};
}
}
dont_screw_try_catch: {
options = {
ie8: true,
}
mangle = {
ie8: true,
}
beautify = {
ie8: true,
}
input: {
bad = function(e){
return function(error){
try{
e()
} catch(e) {
error(e)
}
}
};
}
expect: {
bad = function(t){
return function(n){
try{
t()
} catch(t) {
n(t)
}
}
};
}
}
do_screw_try_catch_undefined: {
options = {
ie8: false,
}
mangle = {
ie8: false,
}
beautify = {
ie8: false,
}
input: {
function a(b){
try {
throw 'Stuff';
} catch (undefined) {
console.log('caught: ' + undefined);
}
console.log('undefined is ' + undefined);
return b === undefined;
};
}
expect: {
function a(o){
try{
throw "Stuff"
} catch (o) {
console.log("caught: "+o)
}
console.log("undefined is " + void 0);
return void 0===o
}
}
expect_stdout: true
}
dont_screw_try_catch_undefined: {
options = {
ie8: true,
}
mangle = {
ie8: true,
}
beautify = {
ie8: true,
}
input: {
function a(b){
try {
throw 'Stuff';
} catch (undefined) {
console.log('caught: ' + undefined);
}
console.log('undefined is ' + undefined);
return b === undefined;
};
}
expect: {
function a(n){
try{
throw "Stuff"
} catch (undefined) {
console.log("caught: " + undefined)
}
console.log("undefined is " + undefined);
return n === undefined
}
}
expect_stdout: true
}
reduce_vars: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
ie8: true,
unused: true,
}
mangle = {
ie8: true,
}
input: {
function f() {
var a;
try {
x();
} catch (a) {
y();
}
alert(a);
}
}
expect: {
function f() {
var t;
try {
x();
} catch (t) {
y();
}
alert(t);
}
}
}
issue_1586_1: {
options = {
ie8: true,
}
mangle = {
ie8: true,
}
input: {
function f() {
try {
x();
} catch (err) {
console.log(err.message);
}
}
}
expect_exact: "function f(){try{x()}catch(c){console.log(c.message)}}"
}
issue_1586_2: {
options = {
ie8: false,
}
mangle = {
ie8: false,
}
input: {
function f() {
try {
x();
} catch (err) {
console.log(err.message);
}
}
}
expect_exact: "function f(){try{x()}catch(c){console.log(c.message)}}"
}
issue_2120_1: {
mangle = {
ie8: false,
}
input: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (t) {
try {
throw 0;
} catch (a) {
if (t) b = "PASS";
}
}
console.log(b);
}
expect_stdout: "PASS"
}
issue_2120_2: {
mangle = {
ie8: true,
}
input: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect_stdout: "PASS"
}
issue_2254_1: {
mangle = {
ie8: false,
}
input: {
"eeeeee";
try {
console.log(f("PASS"));
} catch (e) {}
function f(s) {
try {
throw "FAIL";
} catch (e) {
return s;
}
}
}
expect: {
"eeeeee";
try {
console.log(f("PASS"));
} catch (e) {}
function f(t) {
try {
throw "FAIL";
} catch (e) {
return t;
}
}
}
expect_stdout: "PASS"
}
issue_2254_2: {
mangle = {
ie8: true,
}
input: {
"eeeeee";
try {
console.log(f("PASS"));
} catch (e) {}
function f(s) {
try {
throw "FAIL";
} catch (e) {
return s;
}
}
}
expect: {
"eeeeee";
try {
console.log(f("PASS"));
} catch (e) {}
function f(t) {
try {
throw "FAIL";
} catch (e) {
return t;
}
}
}
expect_stdout: "PASS"
}
issue_24_1: {
mangle = {
ie8: false,
}
input: {
(function(a) {
console.log(typeof function f(){} === typeof a ? "FAIL" : "PASS");
})();
}
expect: {
(function(o) {
console.log(typeof function o(){} === typeof o ? "FAIL" : "PASS");
})();
}
expect_stdout: "PASS"
}
issue_24_2: {
mangle = {
ie8: true,
}
input: {
(function(a) {
console.log(typeof function f(){} === typeof a ? "FAIL" : "PASS");
})();
}
expect: {
(function(n) {
console.log(typeof function o(){} === typeof n ? "FAIL" : "PASS");
})();
}
expect_stdout: "PASS"
}
issue_2976_1: {
mangle = {
ie8: false,
}
input: {
console.log(function f() {
var a;
return a === f ? "FAIL" : "PASS";
}());
}
expect: {
console.log(function n() {
var o;
return o === n ? "FAIL" : "PASS";
}());
}
expect_stdout: "PASS"
}
issue_2976_2: {
mangle = {
ie8: true,
}
input: {
console.log(function f() {
var a;
return a === f ? "FAIL" : "PASS";
}());
}
expect: {
console.log(function n() {
var o;
return o === n ? "FAIL" : "PASS";
}());
}
expect_stdout: "PASS"
}
issue_3035: {
mangle = {
ie8: false,
}
input: {
var c = "FAIL";
(function(a) {
try {
throw 1;
} catch (b) {
try {
throw 0;
} catch (a) {
b && (c = "PASS");
}
}
})();
console.log(c);
}
expect: {
var c = "FAIL";
(function(o) {
try {
throw 1;
} catch (t) {
try {
throw 0;
} catch (o) {
t && (c = "PASS");
}
}
})();
console.log(c);
}
expect_stdout: "PASS"
}
issue_3035_ie8: {
mangle = {
ie8: true,
}
input: {
var c = "FAIL";
(function(a) {
try {
throw 1;
} catch (b) {
try {
throw 0;
} catch (a) {
b && (c = "PASS");
}
}
})();
console.log(c);
}
expect: {
var c = "FAIL";
(function(t) {
try {
throw 1;
} catch (o) {
try {
throw 0;
} catch (t) {
o && (c = "PASS");
}
}
})();
console.log(c);
}
expect_stdout: "PASS"
}