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| -rw-r--r-- | test/mocha/arguments.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/mocha/arguments.js b/test/mocha/arguments.js new file mode 100644 index 00000000..294a6c16 --- /dev/null +++ b/test/mocha/arguments.js @@ -0,0 +1,19 @@ +var UglifyJS = require('../../'); +var assert = require("assert"); + +describe("arguments", function() { + it("Should known that arguments in functions are local scoped", function() { + var ast = UglifyJS.parse("var arguments; var f = function() {arguments.length}"); + ast.figure_out_scope(); + + // Select symbol in function + var symbol = ast.body[1].definitions[0].value.find_variable("arguments"); + + assert.strictEqual(symbol.global, false); + assert.strictEqual(symbol.scope, ast. // From ast + body[1]. // Select 2nd statement (equals to `var f ...`) + definitions[0]. // First definition of selected statement + value // Select function as scope + ); + }); +});
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