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Merge branch 'master' into harmony-v3.0.20

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This commit is contained in:
alexlamsl
2017-06-25 16:02:46 +08:00
parent 49f3de8397 8b4dcd8f3e
commit 11afa816e3
25 changed files with 472 additions and 257 deletions
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30
test/mocha/cli.js
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@@ -611,6 +611,36 @@ 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,

28
test/mocha/let.js
View File

@@ -2,29 +2,37 @@ var Uglify = require('../../');
var assert = require("assert");
describe("let", function() {
it("Should not produce `let` as a variable name in mangle", function(done) {
it("Should not produce reserved keywords as variable name in mangle", function(done) {
this.timeout(10000);
// Produce a lot of variables in a function and run it through mangle.
var s = '"use strict"; function foo() {';
for (var i = 0; i < 21000; ++i) {
var s = '"dddddeeeeelllllooooottttt"; function foo() {';
for (var i = 0; i < 18000; i++) {
s += "var v" + i + "=0;";
}
s += '}';
var result = Uglify.minify(s, {compress: false});
// Verify that select keywords and reserved keywords not produced
assert.strictEqual(result.code.indexOf("var let="), -1);
assert.strictEqual(result.code.indexOf("var do="), -1);
assert.strictEqual(result.code.indexOf("var var="), -1);
[
"do",
"let",
"var",
].forEach(function(name) {
assert.strictEqual(result.code.indexOf("var " + name + "="), -1);
});
// Verify that the variable names that appeared immediately before
// and after the erroneously generated `let` variable name still exist
// and after the erroneously generated variable name still exist
// to show the test generated enough symbols.
assert(result.code.indexOf("var ket=") >= 0);
assert(result.code.indexOf("var met=") >= 0);
[
"to", "eo",
"eet", "fet",
"rar", "oar",
].forEach(function(name) {
assert.ok(result.code.indexOf("var " + name + "=") >= 0);
});
done();
});
});