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UglifyJS/test/compress/issue-143.js
2022-10-06 02:06:21 +08:00

66 lines
1.4 KiB
JavaScript

/**
* There was an incorrect sort behavior documented in issue #143:
* (x = f(…)) <= x → x >= (x = f(…))
*
* For example, let the equation be:
* (a = parseInt('100')) <= a
*
* If a was an integer and has the value of 99,
* (a = parseInt('100')) <= a → 100 <= 100 → true
*
* When transformed incorrectly:
* a >= (a = parseInt('100')) → 99 >= 100 → false
*/
transformation_sort_order_equal: {
options = {
comparisons: true,
}
input: {
console.log((a = parseInt("100")) == a);
}
expect: {
console.log((a = parseInt("100")) == a);
}
expect_stdout: "true"
}
transformation_sort_order_unequal: {
options = {
comparisons: true,
}
input: {
console.log((a = parseInt("100")) != a);
}
expect: {
console.log((a = parseInt("100")) != a);
}
expect_stdout: "false"
}
transformation_sort_order_lesser_or_equal: {
options = {
comparisons: true,
}
input: {
console.log((a = parseInt("100")) <= a);
}
expect: {
console.log((a = parseInt("100")) <= a);
}
expect_stdout: "true"
}
transformation_sort_order_greater_or_equal: {
options = {
comparisons: true,
}
input: {
console.log((a = parseInt("100")) >= a);
}
expect: {
console.log((a = parseInt("100")) >= a);
}
expect_stdout: "true"
}