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// We can't use normal shouldBe here, since they'd eval in the wrong context...
function shouldBeOfType(msg, val, type) {
if (typeof(val) != type)
testFailed(msg + ": value has type " + typeof(val) + " , not:" + type);
else
testPassed(msg);
}
function test0() {
var arguments;
// var execution should not overwrite something that was
// in scope beforehand -- e.g. the arguments thing
shouldBeOfType("test0", arguments, 'object');
}
function test1() {
// No need to undef-initialize something in scope already!
shouldBeOfType("test1", arguments, 'object');
var arguments;
}
function test2(arguments) {
// Formals OTOH can overwrite the args object
shouldBeOfType("test2", arguments, 'number');
}
function test3() {
// Ditto for functions..
shouldBeOfType("test3", arguments, 'function');
function arguments() {}
}
function test4() {
// Here, the -declaration- part of the var below should have no
// effect..
shouldBeOfType('test4.(1)', arguments, 'object');
var arguments = 4;
// .. but the assignment shoud just happen
shouldBeOfType('test4.(2)', arguments, 'number');
}
test0();
test1();
test2(42);
test3();
test4();
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