wasmtime-cli 44.0.1

Command-line interface for Wasmtime
Documentation 
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(module
  (memory (export "mem1") 2 5)
  (memory (export "mem2") 0)
)
(register "M")

(module
  (memory $mem1 (import "M" "mem1") 1 6)
  (memory $mem2 (import "M" "mem2") 0)
  (memory $mem3 3)
  (memory $mem4 4 5)

  (func (export "size1") (result i32) (memory.size $mem1))
  (func (export "size2") (result i32) (memory.size $mem2))
  (func (export "size3") (result i32) (memory.size $mem3))
  (func (export "size4") (result i32) (memory.size $mem4))

  (func (export "grow1") (param i32) (result i32)
    (memory.grow $mem1 (local.get 0))
  )
  (func (export "grow2") (param i32) (result i32)
    (memory.grow $mem2 (local.get 0))
  )
  (func (export "grow3") (param i32) (result i32)
    (memory.grow $mem3 (local.get 0))
  )
  (func (export "grow4") (param i32) (result i32)
    (memory.grow $mem4 (local.get 0))
  )
)

(assert_return (invoke "size1") (i32.const 2))
(assert_return (invoke "size2") (i32.const 0))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow1" (i32.const 1)) (i32.const 2))
(assert_return (invoke "size1") (i32.const 3))
(assert_return (invoke "size2") (i32.const 0))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow1" (i32.const 2)) (i32.const 3))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 0))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow1" (i32.const 1)) (i32.const -1))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 0))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow2" (i32.const 10)) (i32.const 0))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 10))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow3" (i32.const 0x1000_0000)) (i32.const -1))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 10))
(assert_return (invoke "size3") (i32.const 3))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow3" (i32.const 3)) (i32.const 3))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 10))
(assert_return (invoke "size3") (i32.const 6))
(assert_return (invoke "size4") (i32.const 4))

(assert_return (invoke "grow4" (i32.const 1)) (i32.const 4))
(assert_return (invoke "grow4" (i32.const 1)) (i32.const -1))
(assert_return (invoke "size1") (i32.const 5))
(assert_return (invoke "size2") (i32.const 10))
(assert_return (invoke "size3") (i32.const 6))
(assert_return (invoke "size4") (i32.const 5))


(module
  (memory $mem1 1)
  (memory $mem2 2)

  (func (export "grow1") (param i32) (result i32)
    (memory.grow $mem1 (local.get 0))
  )
  (func (export "grow2") (param i32) (result i32)
    (memory.grow $mem2 (local.get 0))
  )

  (func (export "size1") (result i32) (memory.size $mem1))
  (func (export "size2") (result i32) (memory.size $mem2))
)

(assert_return (invoke "size1") (i32.const 1))
(assert_return (invoke "size2") (i32.const 2))
(assert_return (invoke "grow1" (i32.const 3)) (i32.const 1))
(assert_return (invoke "grow1" (i32.const 4)) (i32.const 4))
(assert_return (invoke "grow1" (i32.const 1)) (i32.const 8))
(assert_return (invoke "grow2" (i32.const 1)) (i32.const 2))
(assert_return (invoke "grow2" (i32.const 1)) (i32.const 3))