v8/test/mjsunit/regress/regress-2470.js

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// Test whether the opening parenthesis can be eaten up by a comment.
assertThrows('Function("/*", "*/){");', SyntaxError);

// Test whether the function literal can be closed prematurely.
assertThrows('Function("});(function(){");', SyntaxError);

// Test whether block comments are handled correctly.
assertDoesNotThrow('Function("/*", "*/", "/**/");');
assertDoesNotThrow('Function("/*", "a", "*/", "/**/");');
assertDoesNotThrow('Function("a", "/*", "*/", "/**/");');
assertThrows('Function("a", "/*", "*/", "b", "/*", "*/", "/**/");', SyntaxError);

// Test whether line comments are handled correctly.
assertDoesNotThrow('Function("//", "//")');
assertDoesNotThrow('Function("//", "//", "//")');
assertDoesNotThrow('Function("a", "//", "//")');
assertThrows('Function("a", "", "//", "//")', SyntaxError);

// Some embedders rely on the string representation of the resulting
// function in cases where no formal parameters are specified.
var asString = Function("return 23").toString();
assertSame("function anonymous() {\nreturn 23\n}", asString);