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Don't convert all strings to directives from moz-ast

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This commit is contained in:
Anthony Van de Gejuchte
2016-06-15 12:18:18 +02:00
parent debc525fa1
commit 698705a820
2 changed files with 160 additions and 12 deletions
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91
test/mocha/spidermonkey.js
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@@ -1,5 +1,6 @@
var assert = require("assert");
var exec = require("child_process").exec;
var uglify = require("../../");
describe("spidermonkey export/import sanity test", function() {
it("should produce a functional build when using --self with spidermonkey", function (done) {
@@ -30,4 +31,94 @@ describe("spidermonkey export/import sanity test", function() {
done();
});
});
it("Should judge between directives and strings correctly on import", function() {
var tests = [
{
input: '"use strict";;"use sloppy"',
directives: 1,
strings: 1
},
{
input: ';"use strict"',
directives: 0,
strings: 1
},
{
input: '"use strict"; "use something else";',
directives: 2,
strings: 0
},
{
input: 'function foo() {"use strict";;"use sloppy" }',
directives: 1,
strings: 1
},
{
input: 'function foo() {;"use strict" }',
directives: 0,
strings: 1
},
{
input: 'function foo() {"use strict"; "use something else"; }',
directives: 2,
strings: 0
},
{
input: 'var foo = function() {"use strict";;"use sloppy" }',
directives: 1,
strings: 1
},
{
input: 'var foo = function() {;"use strict" }',
directives: 0,
strings: 1
},
{
input: 'var foo = function() {"use strict"; "use something else"; }',
directives: 2,
strings: 0
},
{
input: '{"use strict";;"use sloppy" }',
directives: 0,
strings: 2
},
{
input: '{;"use strict" }',
directives: 0,
strings: 1
},
{
input: '{"use strict"; "use something else"; }',
directives: 0,
strings: 2
}
];
var counter_directives;
var counter_strings;
var checkWalker = new uglify.TreeWalker(function(node, descend) {
if (node instanceof uglify.AST_String) {
counter_strings++;
} else if (node instanceof uglify.AST_Directive) {
counter_directives++;
}
});
for (var i = 0; i < tests.length; i++) {
counter_directives = 0;
counter_strings = 0;
var ast = uglify.parse(tests[i].input);
var moz_ast = ast.to_mozilla_ast();
var from_moz_ast = uglify.AST_Node.from_mozilla_ast(moz_ast);
from_moz_ast.walk(checkWalker);
assert.strictEqual(counter_directives, tests[i].directives, "Directives count mismatch for test " + tests[i].input);
assert.strictEqual(counter_strings, tests[i].strings, "String count mismatch for test " + tests[i].input);
}
});
});