2 (func $f1 (export "funcref") (param $x funcref) (result i32)
3 (ref.is_null (local.get $x))
5 (func $f2 (export "externref") (param $x externref) (result i32)
6 (ref.is_null (local.get $x))
10 (table $t2 2 externref)
11 (elem (table $t1) (i32.const 1) func $dummy)
14 (func (export "init") (param $r externref)
15 (table.set $t2 (i32.const 1) (local.get $r))
17 (func (export "deinit")
18 (table.set $t1 (i32.const 1) (ref.null func))
19 (table.set $t2 (i32.const 1) (ref.null extern))
22 (func (export "funcref-elem") (param $x i32) (result i32)
23 (call $f1 (table.get $t1 (local.get $x)))
25 (func (export "externref-elem") (param $x i32) (result i32)
26 (call $f2 (table.get $t2 (local.get $x)))
30 (assert_return (invoke "funcref" (ref.null func)) (i32.const 1))
31 (assert_return (invoke "externref" (ref.null extern)) (i32.const 1))
33 (assert_return (invoke "externref" (ref.extern 1)) (i32.const 0))
35 (invoke "init" (ref.extern 0))
37 (assert_return (invoke "funcref-elem" (i32.const 0)) (i32.const 1))
38 (assert_return (invoke "externref-elem" (i32.const 0)) (i32.const 1))
40 (assert_return (invoke "funcref-elem" (i32.const 1)) (i32.const 0))
41 (assert_return (invoke "externref-elem" (i32.const 1)) (i32.const 0))
45 (assert_return (invoke "funcref-elem" (i32.const 0)) (i32.const 1))
46 (assert_return (invoke "externref-elem" (i32.const 0)) (i32.const 1))
48 (assert_return (invoke "funcref-elem" (i32.const 1)) (i32.const 1))
49 (assert_return (invoke "externref-elem" (i32.const 1)) (i32.const 1))
52 (module (func $ref-vs-num (param i32) (ref.is_null (local.get 0))))
56 (module (func $ref-vs-empty (ref.is_null)))