test/mjsunit/with-function-expression.js

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var source = "(function x() { with({}) { return '' + x; } })()";

// Don't throw exceptions.
assertDoesNotThrow(source);

// Check that the return value is a function.  Use regexp to avoid
// depending on the exact printing of the function.
var regexp = /function/;
var res = assertTrue(eval(source).match(regexp) == 'function');