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Handle extra and missing arguments to fn.call.

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This commit is contained in:
Bob Nystrom
2014-02-04 09:34:05 -08:00
parent 8d316396e1
commit 7726ee5131
7 changed files with 102 additions and 43 deletions
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16
test/function/call_extra_arguments.wren Normal file
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var f0 = fn IO.print("zero")
var f1 = fn(a) IO.print("one " + a)
var f2 = fn(a, b) IO.print("two " + a + " " + b)
var f3 = fn(a, b, c) IO.print("three " + a + " " + b + " " + c)
f0.call("a") // expect: zero
f0.call("a", "b") // expect: zero
f1.call("a", "b") // expect: one a
f1.call("a", "b", "c") // expect: one a
f2.call("a", "b", "c") // expect: two a b
f2.call("a", "b", "c", "d") // expect: two a b
f3.call("a", "b", "c", "d") // expect: three a b c
f3.call("a", "b", "c", "d", "e") // expect: three a b c

2
test/function/call_missing_arguments.wren Normal file
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var f2 = fn(a, b) IO.print(a + b)
f2.call("a") // expect runtime error: Function expects more arguments.