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fix for-in loop parsing (#2144)

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This commit is contained in:
Alex Lam S.L
2017-06-23 04:14:30 +08:00
committed by GitHub
parent f67a6b0e43
commit 0692435f01
4 changed files with 44 additions and 2 deletions
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30
test/mocha/cli.js
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@@ -518,6 +518,36 @@ describe("bin/uglifyjs", function () {
done();
});
});
it("Should throw syntax error (for-in init)", function(done) {
var command = uglifyjscmd + ' test/input/invalid/for-in_1.js';
exec(command, function (err, stdout, stderr) {
assert.ok(err);
assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/for-in_1.js:2,5",
"for (1, 2, a in b) {",
" ^",
"ERROR: Invalid left-hand side in for..in loop"
].join("\n"));
done();
});
});
it("Should throw syntax error (for-in var)", function(done) {
var command = uglifyjscmd + ' test/input/invalid/for-in_2.js';
exec(command, function (err, stdout, stderr) {
assert.ok(err);
assert.strictEqual(stdout, "");
assert.strictEqual(stderr.split(/\n/).slice(0, 4).join("\n"), [
"Parse error at test/input/invalid/for-in_2.js:2,5",
"for (var a, b in c) {",
" ^",
"ERROR: Only one variable declaration allowed in for..in loop"
].join("\n"));
done();
});
});
it("Should handle literal string as source map input", function(done) {
var command = [
uglifyjscmd,