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[jsinterp] Implement typeof operator

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This commit is contained in:
dirkf
2024-12-07 03:37:39 +00:00
parent f28d7178e4
commit 118c6d7a17
2 changed files with 117 additions and 50 deletions
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15
test/test_jsinterp.py
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@ -266,7 +266,20 @@ class TestJSInterpreter(unittest.TestCase):
self._test('function f() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) }', 5)
def test_void(self):
self._test('function f() { return void 42; }', None)
self._test('function f() { return void 42; }', JS_Undefined)
def test_typeof(self):
self._test('function f() { return typeof undefined; }', 'undefined')
self._test('function f() { return typeof NaN; }', 'number')
self._test('function f() { return typeof Infinity; }', 'number')
self._test('function f() { return typeof true; }', 'boolean')
self._test('function f() { return typeof null; }', 'object')
self._test('function f() { return typeof "a string"; }', 'string')
self._test('function f() { return typeof 42; }', 'number')
self._test('function f() { return typeof 42.42; }', 'number')
self._test('function f() { var g = function(){}; return typeof g; }', 'function')
self._test('function f() { return typeof {key: "value"}; }', 'object')
# not yet implemented: Symbol, BigInt
def test_return_function(self):
jsi = JSInterpreter('''