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suppress false positives in ufuzz (#5078)

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This commit is contained in:
Alex Lam S.L
2021-07-12 21:10:59 +01:00
committed by GitHub
parent 92c3fddd7a
commit 8e2dff632e
1 changed files with 23 additions and 3 deletions
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26
test/ufuzz/index.js
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@@ -2256,7 +2256,7 @@ function sort_globals(code) {
return (typeof global[n] == "function") - (typeof global[m] == "function")
|| (m < n ? -1 : m > n ? 1 : 0);
};
} + "(this));" + code);
} + "(this));\n" + code);
if (!Array.isArray(globals)) {
errorln();
errorln();
@@ -2294,6 +2294,20 @@ function fuzzy_match(original, uglified) {
}
}
function patch_proto() {
[ Array, Boolean, Error, Function, Number, Object, RegExp, String ].forEach(function(type) {
[ "toString", "valueOf" ].forEach(function(prop) {
type.prototype[prop] = function(fn) {
return function() {
try {
return fn.apply(this, arguments);
} catch (e) {}
};
}(type.prototype[prop]);
});
});
}
function is_error_timeout(ex) {
return /timed out/.test(ex.message);
}
@@ -2500,8 +2514,8 @@ for (var round = 1; round <= num_iterations; round++) {
if (!ok && errored && uglify_result.name == "ReferenceError" && original_result.name == "ReferenceError") ok = true;
// ignore difference due to implicit strict-mode in `class`
if (!ok && /\bclass\b/.test(original_code)) {
var original_strict = run_code('"use strict";' + original_code, toplevel);
var uglify_strict = run_code('"use strict";' + uglify_code, toplevel);
var original_strict = run_code('"use strict";\n' + original_code, toplevel);
var uglify_strict = run_code('"use strict";\n' + uglify_code, toplevel);
if (typeof original_strict != "string") {
ok = typeof uglify_strict != "string";
} else {
@@ -2512,6 +2526,12 @@ for (var round = 1; round <= num_iterations; round++) {
if (!ok && errored && /\bimport\b/.test(original_code)) {
if (is_error_redeclaration(uglify_result) && is_error_redeclaration(original_result)) ok = true;
}
// ignore difference due to `__proto__` assignment
if (!ok && /\b__proto__\b/.test(original_code)) {
var original_proto = run_code("(" + patch_proto + ")();\n" + original_code, toplevel);
var uglify_proto = run_code("(" + patch_proto + ")();\n" + uglify_code, toplevel);
ok = sandbox.same_stdout(original_proto, uglify_proto);
}
// ignore difference in error message caused by `in`
if (!ok && errored && is_error_in(uglify_result) && is_error_in(original_result)) ok = true;
// ignore difference in error message caused by spread syntax