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[test] elem.wast: force to use exprs in a element #1561

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Merged
merged 1 commit into from
Dec 15, 2022
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[test] elem.wast: force to use exprs in a element #1561

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19 changes: 19 additions & 0 deletions test/core/elem.wast
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,25 @@
(assert_return (invoke "call-7") (i32.const 65))
(assert_return (invoke "call-9") (i32.const 66))

;; Same as the above, but use ref.null to ensure the elements use exprs.
;; Note: some tools like wast2json avoid using exprs when possible.
(module
(type $out-i32 (func (result i32)))
(table 11 funcref)
(elem (i32.const 6) funcref (ref.null func) (ref.func $const-i32-a))
(elem (i32.const 9) funcref (ref.func $const-i32-b) (ref.null func))
(func $const-i32-a (type $out-i32) (i32.const 65))
(func $const-i32-b (type $out-i32) (i32.const 66))
(func (export "call-7") (type $out-i32)
(call_indirect (type $out-i32) (i32.const 7))
)
(func (export "call-9") (type $out-i32)
(call_indirect (type $out-i32) (i32.const 9))
)
)
(assert_return (invoke "call-7") (i32.const 65))
(assert_return (invoke "call-9") (i32.const 66))

(assert_invalid
(module (table 1 funcref) (global i32 (i32.const 0)) (elem (global.get 0) $f) (func $f))
"unknown global"
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