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fix delete corner cases (#1799)

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- assignment
- boolean
- conditional
- sequence
This commit is contained in:
Alex Lam S.L
2017-04-08 14:25:28 +08:00
committed by GitHub
parent a1532eb076
commit cf72fe552f
5 changed files with 369 additions and 24 deletions
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53
test/compress/conditionals.js
View File

@@ -962,3 +962,56 @@ condition_symbol_matches_consequent: {
}
expect_stdout: "3 7 true 4"
}
delete_conditional_1: {
options = {
booleans: true,
conditionals: true,
evaluate: true,
side_effects: true,
}
input: {
console.log(delete (1 ? undefined : x));
console.log(delete (1 ? void 0 : x));
console.log(delete (1 ? Infinity : x));
console.log(delete (1 ? 1 / 0 : x));
console.log(delete (1 ? NaN : x));
console.log(delete (1 ? 0 / 0 : x));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
}
expect_stdout: true
}
delete_conditional_2: {
options = {
booleans: true,
conditionals: true,
evaluate: true,
keep_infinity: true,
side_effects: true,
}
input: {
console.log(delete (0 ? x : undefined));
console.log(delete (0 ? x : void 0));
console.log(delete (0 ? x : Infinity));
console.log(delete (0 ? x : 1 / 0));
console.log(delete (0 ? x : NaN));
console.log(delete (0 ? x : 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((Infinity, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
}
expect_stdout: true
}

55
test/compress/drop-unused.js
View File

@@ -974,3 +974,58 @@ issue_1715_4: {
}
expect_stdout: "1"
}
delete_assign_1: {
options = {
booleans: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a;
console.log(delete (a = undefined));
console.log(delete (a = void 0));
console.log(delete (a = Infinity));
console.log(delete (a = 1 / 0));
console.log(delete (a = NaN));
console.log(delete (a = 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_assign_2: {
options = {
booleans: true,
keep_infinity: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a;
console.log(delete (a = undefined));
console.log(delete (a = void 0));
console.log(delete (a = Infinity));
console.log(delete (a = 1 / 0));
console.log(delete (a = NaN));
console.log(delete (a = 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((Infinity, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((0 / 0, !0));
}
expect_stdout: true
}

79
test/compress/evaluate.js
View File

@@ -858,8 +858,9 @@ issue_1760_2: {
expect_stdout: "Infinity"
}
delete_expr: {
delete_expr_1: {
options = {
booleans: true,
evaluate: true,
}
input: {
@@ -871,6 +872,23 @@ delete_expr: {
console.log(delete (0 / 0));
}
expect: {
console.log(delete undefined);
console.log((void 0, !0));
console.log(delete Infinity);
console.log((1 / 0, !0));
console.log(delete NaN);
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_expr_2: {
options = {
booleans: true,
evaluate: true,
keep_infinity: true,
}
input: {
console.log(delete undefined);
console.log(delete void 0);
console.log(delete Infinity);
@@ -878,5 +896,64 @@ delete_expr: {
console.log(delete NaN);
console.log(delete (0 / 0));
}
expect: {
console.log(delete undefined);
console.log((void 0, !0));
console.log(delete Infinity);
console.log((1 / 0, !0));
console.log(delete NaN);
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_binary_1: {
options = {
booleans: true,
evaluate: true,
side_effects: true,
}
input: {
console.log(delete (true && undefined));
console.log(delete (true && void 0));
console.log(delete (true && Infinity));
console.log(delete (true && (1 / 0)));
console.log(delete (true && NaN));
console.log(delete (true && (0 / 0)));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
}
expect_stdout: true
}
delete_binary_2: {
options = {
booleans: true,
evaluate: true,
keep_infinity: true,
side_effects: true,
}
input: {
console.log(delete (false || undefined));
console.log(delete (false || void 0));
console.log(delete (false || Infinity));
console.log(delete (false || (1 / 0)));
console.log(delete (false || NaN));
console.log(delete (false || (0 / 0)));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((Infinity, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
}
expect_stdout: true
}

144
test/compress/sequences.js
View File

@@ -466,3 +466,147 @@ issue_1758: {
}
expect_stdout: "undefined"
}
delete_seq_1: {
options = {
booleans: true,
side_effects: true,
}
input: {
console.log(delete (1, undefined));
console.log(delete (1, void 0));
console.log(delete (1, Infinity));
console.log(delete (1, 1 / 0));
console.log(delete (1, NaN));
console.log(delete (1, 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_seq_2: {
options = {
booleans: true,
side_effects: true,
}
input: {
console.log(delete (1, 2, undefined));
console.log(delete (1, 2, void 0));
console.log(delete (1, 2, Infinity));
console.log(delete (1, 2, 1 / 0));
console.log(delete (1, 2, NaN));
console.log(delete (1, 2, 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_seq_3: {
options = {
booleans: true,
keep_infinity: true,
side_effects: true,
}
input: {
console.log(delete (1, 2, undefined));
console.log(delete (1, 2, void 0));
console.log(delete (1, 2, Infinity));
console.log(delete (1, 2, 1 / 0));
console.log(delete (1, 2, NaN));
console.log(delete (1, 2, 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((Infinity, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((0 / 0, !0));
}
expect_stdout: true
}
delete_seq_4: {
options = {
booleans: true,
sequences: true,
side_effects: true,
}
input: {
function f() {}
console.log(delete (f(), undefined));
console.log(delete (f(), void 0));
console.log(delete (f(), Infinity));
console.log(delete (f(), 1 / 0));
console.log(delete (f(), NaN));
console.log(delete (f(), 0 / 0));
}
expect: {
function f() {}
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0));
}
expect_stdout: true
}
delete_seq_5: {
options = {
booleans: true,
keep_infinity: true,
sequences: true,
side_effects: true,
}
input: {
function f() {}
console.log(delete (f(), undefined));
console.log(delete (f(), void 0));
console.log(delete (f(), Infinity));
console.log(delete (f(), 1 / 0));
console.log(delete (f(), NaN));
console.log(delete (f(), 0 / 0));
}
expect: {
function f() {}
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0)),
console.log((f(), !0));
}
expect_stdout: true
}
delete_seq_6: {
options = {
booleans: true,
side_effects: true,
}
input: {
var a;
console.log(delete (1, a));
}
expect: {
var a;
console.log((a, !0));
}
expect_stdout: true
}