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enhance conditionals (#5593)

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This commit is contained in:
Alex Lam S.L
2022-08-02 12:01:57 +01:00
committed by GitHub
parent e39f33e41b
commit 672cdfa57a
2 changed files with 491 additions and 84 deletions
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392
test/compress/conditionals.js
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@@ -1433,6 +1433,398 @@ condition_matches_alternative: {
expect_stdout: "null 0 false 5"
}
condition_sequence_1: {
options = {
conditionals: true,
sequences: true,
}
input: {
function f(x, y) {
return (console.log(x), x) ? x : y;
}
console.log(f("foo", "bar"));
console.log(f(null, "baz"));
console.log(f(42));
console.log(f());
}
expect: {
function f(x, y) {
return console.log(x), x || y;
}
console.log(f("foo", "bar")),
console.log(f(null, "baz")),
console.log(f(42)),
console.log(f());
}
expect_stdout: [
"foo",
"foo",
"null",
"baz",
"42",
"42",
"undefined",
"undefined",
]
}
condition_sequence_2: {
options = {
conditionals: true,
sequences: true,
}
input: {
function f(x, y) {
return (console.log(y), y) ? x : y;
}
console.log(f("foo", "bar"));
console.log(f(null, "baz"));
console.log(f(42));
console.log(f());
}
expect: {
function f(x, y) {
return console.log(y), y && x;
}
console.log(f("foo", "bar")),
console.log(f(null, "baz")),
console.log(f(42)),
console.log(f());
}
expect_stdout: [
"bar",
"foo",
"baz",
"null",
"undefined",
"undefined",
"undefined",
"undefined",
]
}
combine_tail_sequence: {
options = {
conditionals: true,
}
input: {
var n = {
f: function() {
console.log("foo");
return this.p;
},
p: "FAIL 1",
};
var o = {
f: function() {
console.log("foz");
return this.p;
},
p: "FAIL 2",
};
var p = "PASS";
function g(a) {
return a
? (console.log("baa"), (console.log("bar"), (console.log("baz"), n).f)())
: (console.log("moo"), (console.log("mor"), (console.log("moz"), o).f)());
}
console.log(g());
console.log(g(42));
}
expect: {
var n = {
f: function() {
console.log("foo");
return this.p;
},
p: "FAIL 1",
};
var o = {
f: function() {
console.log("foz");
return this.p;
},
p: "FAIL 2",
};
var p = "PASS";
function g(a) {
return (0, (a
? (console.log("baa"), console.log("bar"), console.log("baz"), n)
: (console.log("moo"), console.log("mor"), console.log("moz"), o)).f)();
}
console.log(g());
console.log(g(42));
}
expect_stdout: [
"moo",
"mor",
"moz",
"foz",
"PASS",
"baa",
"bar",
"baz",
"foo",
"PASS",
]
}
consequent_sequence_1: {
options = {
conditionals: true,
}
input: {
function f(x, y, a) {
return x ? (console.log("seq"), y && a) : a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect: {
function f(x, y, a) {
return (!x || (console.log("seq"), y)) && a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect_stdout: [
"1",
"2",
"seq",
"false",
"seq",
"4",
]
}
consequent_sequence_2: {
options = {
conditionals: true,
}
input: {
function f(x, y, a) {
return x ? (console.log("seq"), y || a) : a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect: {
function f(x, y, a) {
return x && (console.log("seq"), y) || a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect_stdout: [
"1",
"2",
"seq",
"3",
"seq",
"true",
]
}
consequent_sequence_3: {
options = {
conditionals: true,
}
input: {
function f(x, y, a, b) {
return x ? (console.log("seq"), y ? a : b) : b;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect: {
function f(x, y, a, b) {
return x && (console.log("seq"), y) ? a : b;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect_stdout: [
"-1",
"-2",
"seq",
"-3",
"seq",
"4",
]
}
consequent_sequence_4: {
options = {
conditionals: true,
}
input: {
function f(x, y, a, b) {
return x ? (console.log("seq"), y ? a : b) : a;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect: {
function f(x, y, a, b) {
return !x || (console.log("seq"), y) ? a : b;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect_stdout: [
"1",
"2",
"seq",
"-3",
"seq",
"4",
]
}
alternative_sequence_1: {
options = {
conditionals: true,
}
input: {
function f(x, y, a) {
return x ? a : (console.log("seq"), y && a);
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect: {
function f(x, y, a) {
return (x || (console.log("seq"), y)) && a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect_stdout: [
"seq",
"false",
"seq",
"2",
"3",
"4",
]
}
alternative_sequence_2: {
options = {
conditionals: true,
}
input: {
function f(x, y, a) {
return x ? a : (console.log("seq"), y || a);
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect: {
function f(x, y, a) {
return !x && (console.log("seq"), y) || a;
}
console.log(f(false, false, 1));
console.log(f(false, true, 2));
console.log(f(true, false, 3));
console.log(f(true, true, 4));
}
expect_stdout: [
"seq",
"1",
"seq",
"true",
"3",
"4",
]
}
alternative_sequence_3: {
options = {
conditionals: true,
}
input: {
function f(x, y, a, b) {
return x ? a : (console.log("seq"), y ? a : b);
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect: {
function f(x, y, a, b) {
return x || (console.log("seq"), y) ? a : b;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect_stdout: [
"seq",
"-1",
"seq",
"2",
"3",
"4",
]
}
alternative_sequence_4: {
options = {
conditionals: true,
}
input: {
function f(x, y, a, b) {
return x ? b : (console.log("seq"), y ? a : b);
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect: {
function f(x, y, a, b) {
return !x && (console.log("seq"), y) ? a : b;
}
console.log(f(false, false, 1, -1));
console.log(f(false, true, 2, -2));
console.log(f(true, false, 3, -3));
console.log(f(true, true, 4, -4));
}
expect_stdout: [
"seq",
"-1",
"seq",
"2",
"-3",
"-4",
]
}
delete_conditional_1: {
options = {
booleans: true,