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wasmer/tests/wast/spec/proposals/gc/ref_as.wast

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(module
(type $ft (func))
(type $st (struct))
(type $at (array i8))
(table 10 anyref)
(elem declare func $f)
(func $f)
(func (export "init") (param $x externref)
(table.set (i32.const 0) (ref.null any))
(table.set (i32.const 1) (i31.new (i32.const 7)))
(table.set (i32.const 2) (struct.new_default $st (rtt.canon $st)))
(table.set (i32.const 3) (array.new_default $at (i32.const 0) (rtt.canon $at)))
(table.set (i32.const 4) (ref.func $f))
(table.set (i32.const 5) (rtt.canon $ft))
(table.set (i32.const 6) (local.get $x))
)
(func (export "ref_as_non_null") (param $i i32)
(drop (ref.as_non_null (table.get (local.get $i))))
)
(func (export "ref_as_i31") (param $i i32)
(drop (ref.as_i31 (table.get (local.get $i))))
)
(func (export "ref_as_data") (param $i i32)
(drop (ref.as_data (table.get (local.get $i))))
)
(func (export "ref_as_func") (param $i i32)
(drop (ref.as_func (table.get (local.get $i))))
)
)
(invoke "init" (ref.extern 0))
(assert_trap (invoke "ref_as_non_null" (i32.const 0)) "null reference")
(assert_return (invoke "ref_as_non_null" (i32.const 1)))
(assert_return (invoke "ref_as_non_null" (i32.const 2)))
(assert_return (invoke "ref_as_non_null" (i32.const 3)))
(assert_return (invoke "ref_as_non_null" (i32.const 4)))
(assert_return (invoke "ref_as_non_null" (i32.const 5)))
(assert_return (invoke "ref_as_non_null" (i32.const 6)))
(assert_trap (invoke "ref_as_i31" (i32.const 0)) "cast failure")
(assert_return (invoke "ref_as_i31" (i32.const 1)))
(assert_trap (invoke "ref_as_i31" (i32.const 2)) "cast failure")
(assert_trap (invoke "ref_as_i31" (i32.const 3)) "cast failure")
(assert_trap (invoke "ref_as_i31" (i32.const 4)) "cast failure")
(assert_trap (invoke "ref_as_i31" (i32.const 5)) "cast failure")
(assert_trap (invoke "ref_as_i31" (i32.const 6)) "cast failure")
(assert_trap (invoke "ref_as_data" (i32.const 0)) "cast failure")
(assert_trap (invoke "ref_as_data" (i32.const 1)) "cast failure")
(assert_return (invoke "ref_as_data" (i32.const 2)))
(assert_return (invoke "ref_as_data" (i32.const 3)))
(assert_trap (invoke "ref_as_data" (i32.const 4)) "cast failure")
(assert_trap (invoke "ref_as_data" (i32.const 5)) "cast failure")
(assert_trap (invoke "ref_as_data" (i32.const 6)) "cast failure")
(assert_trap (invoke "ref_as_func" (i32.const 0)) "cast failure")
(assert_trap (invoke "ref_as_func" (i32.const 1)) "cast failure")
(assert_trap (invoke "ref_as_func" (i32.const 2)) "cast failure")
(assert_trap (invoke "ref_as_func" (i32.const 3)) "cast failure")
(assert_return (invoke "ref_as_func" (i32.const 4)))
(assert_trap (invoke "ref_as_func" (i32.const 5)) "cast failure")
(assert_trap (invoke "ref_as_func" (i32.const 6)) "cast failure")