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memory_grow.wast
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memory_grow.wast
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(module
(memory 0)
(func (export "load_at_zero") (result i32) (i32.load (i32.const 0)))
(func (export "store_at_zero") (i32.store (i32.const 0) (i32.const 2)))
(func (export "load_at_page_size") (result i32) (i32.load (i32.const 0x10000)))
(func (export "store_at_page_size") (i32.store (i32.const 0x10000) (i32.const 3)))
(func (export "grow") (param $sz i32) (result i32) (memory.grow (local.get $sz)))
(func (export "size") (result i32) (memory.size))
)
(assert_return (invoke "size") (i32.const 0))
(assert_trap (invoke "store_at_zero") "out of bounds memory access")
(assert_trap (invoke "load_at_zero") "out of bounds memory access")
(assert_trap (invoke "store_at_page_size") "out of bounds memory access")
(assert_trap (invoke "load_at_page_size") "out of bounds memory access")
(assert_return (invoke "grow" (i32.const 1)) (i32.const 0))
(assert_return (invoke "size") (i32.const 1))
(assert_return (invoke "load_at_zero") (i32.const 0))
(assert_return (invoke "store_at_zero"))
(assert_return (invoke "load_at_zero") (i32.const 2))
(assert_trap (invoke "store_at_page_size") "out of bounds memory access")
(assert_trap (invoke "load_at_page_size") "out of bounds memory access")
(assert_return (invoke "grow" (i32.const 4)) (i32.const 1))
(assert_return (invoke "size") (i32.const 5))
(assert_return (invoke "load_at_zero") (i32.const 2))
(assert_return (invoke "store_at_zero"))
(assert_return (invoke "load_at_zero") (i32.const 2))
(assert_return (invoke "load_at_page_size") (i32.const 0))
(assert_return (invoke "store_at_page_size"))
(assert_return (invoke "load_at_page_size") (i32.const 3))
(module
(memory 0)
(func (export "grow") (param i32) (result i32) (memory.grow (local.get 0)))
)
(assert_return (invoke "grow" (i32.const 0)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 0)) (i32.const 1))
(assert_return (invoke "grow" (i32.const 2)) (i32.const 1))
(assert_return (invoke "grow" (i32.const 800)) (i32.const 3))
(assert_return (invoke "grow" (i32.const 0x10000)) (i32.const -1))
(assert_return (invoke "grow" (i32.const 64736)) (i32.const -1))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 803))
(module
(memory 0 10)
(func (export "grow") (param i32) (result i32) (memory.grow (local.get 0)))
)
(assert_return (invoke "grow" (i32.const 0)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 1))
(assert_return (invoke "grow" (i32.const 2)) (i32.const 2))
(assert_return (invoke "grow" (i32.const 6)) (i32.const 4))
(assert_return (invoke "grow" (i32.const 0)) (i32.const 10))
(assert_return (invoke "grow" (i32.const 1)) (i32.const -1))
(assert_return (invoke "grow" (i32.const 0x10000)) (i32.const -1))
;; Test that newly allocated memory (program start and memory.grow) is zeroed
(module
(memory 1)
(func (export "grow") (param i32) (result i32)
(memory.grow (local.get 0))
)
(func (export "check-memory-zero") (param i32 i32) (result i32)
(local i32)
(local.set 2 (i32.const 1))
(block
(loop
(local.set 2 (i32.load8_u (local.get 0)))
(br_if 1 (i32.ne (local.get 2) (i32.const 0)))
(br_if 1 (i32.ge_u (local.get 0) (local.get 1)))
(local.set 0 (i32.add (local.get 0) (i32.const 1)))
(br_if 0 (i32.le_u (local.get 0) (local.get 1)))
)
)
(local.get 2)
)
)
(assert_return (invoke "check-memory-zero" (i32.const 0) (i32.const 0xffff)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 1))
(assert_return (invoke "check-memory-zero" (i32.const 0x10000) (i32.const 0x1_ffff)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 2))
(assert_return (invoke "check-memory-zero" (i32.const 0x20000) (i32.const 0x2_ffff)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 3))
(assert_return (invoke "check-memory-zero" (i32.const 0x30000) (i32.const 0x3_ffff)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 4))
(assert_return (invoke "check-memory-zero" (i32.const 0x40000) (i32.const 0x4_ffff)) (i32.const 0))
(assert_return (invoke "grow" (i32.const 1)) (i32.const 5))
(assert_return (invoke "check-memory-zero" (i32.const 0x50000) (i32.const 0x5_ffff)) (i32.const 0))
;; As the argument of control constructs and instructions
(module
(memory 1)
(func (export "as-br-value") (result i32)
(block (result i32) (br 0 (memory.grow (i32.const 0))))
)
(func (export "as-br_if-cond")
(block (br_if 0 (memory.grow (i32.const 0))))
)
(func (export "as-br_if-value") (result i32)
(block (result i32)
(drop (br_if 0 (memory.grow (i32.const 0)) (i32.const 1))) (i32.const 7)
)
)
(func (export "as-br_if-value-cond") (result i32)
(block (result i32)
(drop (br_if 0 (i32.const 6) (memory.grow (i32.const 0)))) (i32.const 7)
)
)
(func (export "as-br_table-index")
(block (br_table 0 0 0 (memory.grow (i32.const 0))))
)
(func (export "as-br_table-value") (result i32)
(block (result i32)
(br_table 0 0 0 (memory.grow (i32.const 0)) (i32.const 1)) (i32.const 7)
)
)
(func (export "as-br_table-value-index") (result i32)
(block (result i32)
(br_table 0 0 (i32.const 6) (memory.grow (i32.const 0))) (i32.const 7)
)
)
(func (export "as-return-value") (result i32)
(return (memory.grow (i32.const 0)))
)
(func (export "as-if-cond") (result i32)
(if (result i32) (memory.grow (i32.const 0))
(then (i32.const 0)) (else (i32.const 1))
)
)
(func (export "as-if-then") (result i32)
(if (result i32) (i32.const 1)
(then (memory.grow (i32.const 0))) (else (i32.const 0))
)
)
(func (export "as-if-else") (result i32)
(if (result i32) (i32.const 0)
(then (i32.const 0)) (else (memory.grow (i32.const 0)))
)
)
(func (export "as-select-first") (param i32 i32) (result i32)
(select (memory.grow (i32.const 0)) (local.get 0) (local.get 1))
)
(func (export "as-select-second") (param i32 i32) (result i32)
(select (local.get 0) (memory.grow (i32.const 0)) (local.get 1))
)
(func (export "as-select-cond") (result i32)
(select (i32.const 0) (i32.const 1) (memory.grow (i32.const 0)))
)
(func $f (param i32 i32 i32) (result i32) (i32.const -1))
(func (export "as-call-first") (result i32)
(call $f (memory.grow (i32.const 0)) (i32.const 2) (i32.const 3))
)
(func (export "as-call-mid") (result i32)
(call $f (i32.const 1) (memory.grow (i32.const 0)) (i32.const 3))
)
(func (export "as-call-last") (result i32)
(call $f (i32.const 1) (i32.const 2) (memory.grow (i32.const 0)))
)
(type $sig (func (param i32 i32 i32) (result i32)))
(table funcref (elem $f))
(func (export "as-call_indirect-first") (result i32)
(call_indirect (type $sig)
(memory.grow (i32.const 0)) (i32.const 2) (i32.const 3) (i32.const 0)
)
)
(func (export "as-call_indirect-mid") (result i32)
(call_indirect (type $sig)
(i32.const 1) (memory.grow (i32.const 0)) (i32.const 3) (i32.const 0)
)
)
(func (export "as-call_indirect-last") (result i32)
(call_indirect (type $sig)
(i32.const 1) (i32.const 2) (memory.grow (i32.const 0)) (i32.const 0)
)
)
(func (export "as-call_indirect-index") (result i32)
(call_indirect (type $sig)
(i32.const 1) (i32.const 2) (i32.const 3) (memory.grow (i32.const 0))
)
)
(func (export "as-local.set-value") (local i32)
(local.set 0 (memory.grow (i32.const 0)))
)
(func (export "as-local.tee-value") (result i32) (local i32)
(local.tee 0 (memory.grow (i32.const 0)))
)
(global $g (mut i32) (i32.const 0))
(func (export "as-global.set-value") (local i32)
(global.set $g (memory.grow (i32.const 0)))
)
(func (export "as-load-address") (result i32)
(i32.load (memory.grow (i32.const 0)))
)
(func (export "as-loadN-address") (result i32)
(i32.load8_s (memory.grow (i32.const 0)))
)
(func (export "as-store-address")
(i32.store (memory.grow (i32.const 0)) (i32.const 7))
)
(func (export "as-store-value")
(i32.store (i32.const 2) (memory.grow (i32.const 0)))
)
(func (export "as-storeN-address")
(i32.store8 (memory.grow (i32.const 0)) (i32.const 7))
)
(func (export "as-storeN-value")
(i32.store16 (i32.const 2) (memory.grow (i32.const 0)))
)
(func (export "as-unary-operand") (result i32)
(i32.clz (memory.grow (i32.const 0)))
)
(func (export "as-binary-left") (result i32)
(i32.add (memory.grow (i32.const 0)) (i32.const 10))
)
(func (export "as-binary-right") (result i32)
(i32.sub (i32.const 10) (memory.grow (i32.const 0)))
)
(func (export "as-test-operand") (result i32)
(i32.eqz (memory.grow (i32.const 0)))
)
(func (export "as-compare-left") (result i32)
(i32.le_s (memory.grow (i32.const 0)) (i32.const 10))
)
(func (export "as-compare-right") (result i32)
(i32.ne (i32.const 10) (memory.grow (i32.const 0)))
)
(func (export "as-memory.grow-size") (result i32)
(memory.grow (memory.grow (i32.const 0)))
)
)
(assert_return (invoke "as-br-value") (i32.const 1))
(assert_return (invoke "as-br_if-cond"))
(assert_return (invoke "as-br_if-value") (i32.const 1))
(assert_return (invoke "as-br_if-value-cond") (i32.const 6))
(assert_return (invoke "as-br_table-index"))
(assert_return (invoke "as-br_table-value") (i32.const 1))
(assert_return (invoke "as-br_table-value-index") (i32.const 6))
(assert_return (invoke "as-return-value") (i32.const 1))
(assert_return (invoke "as-if-cond") (i32.const 0))
(assert_return (invoke "as-if-then") (i32.const 1))
(assert_return (invoke "as-if-else") (i32.const 1))
(assert_return (invoke "as-select-first" (i32.const 0) (i32.const 1)) (i32.const 1))
(assert_return (invoke "as-select-second" (i32.const 0) (i32.const 0)) (i32.const 1))
(assert_return (invoke "as-select-cond") (i32.const 0))
(assert_return (invoke "as-call-first") (i32.const -1))
(assert_return (invoke "as-call-mid") (i32.const -1))
(assert_return (invoke "as-call-last") (i32.const -1))
(assert_return (invoke "as-call_indirect-first") (i32.const -1))
(assert_return (invoke "as-call_indirect-mid") (i32.const -1))
(assert_return (invoke "as-call_indirect-last") (i32.const -1))
(assert_trap (invoke "as-call_indirect-index") "undefined element")
(assert_return (invoke "as-local.set-value"))
(assert_return (invoke "as-local.tee-value") (i32.const 1))
(assert_return (invoke "as-global.set-value"))
(assert_return (invoke "as-load-address") (i32.const 0))
(assert_return (invoke "as-loadN-address") (i32.const 0))
(assert_return (invoke "as-store-address"))
(assert_return (invoke "as-store-value"))
(assert_return (invoke "as-storeN-address"))
(assert_return (invoke "as-storeN-value"))
(assert_return (invoke "as-unary-operand") (i32.const 31))
(assert_return (invoke "as-binary-left") (i32.const 11))
(assert_return (invoke "as-binary-right") (i32.const 9))
(assert_return (invoke "as-test-operand") (i32.const 0))
(assert_return (invoke "as-compare-left") (i32.const 1))
(assert_return (invoke "as-compare-right") (i32.const 1))
(assert_return (invoke "as-memory.grow-size") (i32.const 1))
(module $Mgm
(memory (export "memory") 1) ;; initial size is 1
(func (export "grow") (result i32) (memory.grow (i32.const 1)))
)
(register "grown-memory" $Mgm)
(assert_return (invoke $Mgm "grow") (i32.const 1)) ;; now size is 2
(module $Mgim1
;; imported memory limits should match, because external memory size is 2 now
(memory (export "memory") (import "grown-memory" "memory") 2)
(func (export "grow") (result i32) (memory.grow (i32.const 1)))
)
(register "grown-imported-memory" $Mgim1)
(assert_return (invoke $Mgim1 "grow") (i32.const 2)) ;; now size is 3
(module $Mgim2
;; imported memory limits should match, because external memory size is 3 now
(import "grown-imported-memory" "memory" (memory 3))
(func (export "size") (result i32) (memory.size))
)
(assert_return (invoke $Mgim2 "size") (i32.const 3))
(assert_invalid
(module
(memory 0)
(func $type-size-empty-vs-i32 (result i32)
(memory.grow)
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 0)
(func $type-size-empty-vs-i32-in-block (result i32)
(i32.const 0)
(block (result i32) (memory.grow))
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 0)
(func $type-size-empty-vs-i32-in-loop (result i32)
(i32.const 0)
(loop (result i32) (memory.grow))
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 0)
(func $type-size-empty-vs-i32-in-then (result i32)
(i32.const 0) (i32.const 0)
(if (result i32) (then (memory.grow)))
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 1)
(func $type-size-f32-vs-i32 (result i32)
(memory.grow (f32.const 0))
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 1)
(func $type-result-i32-vs-empty
(memory.grow (i32.const 0))
)
)
"type mismatch"
)
(assert_invalid
(module
(memory 1)
(func $type-result-i32-vs-f32 (result f32)
(memory.grow (i32.const 0))
)
)
"type mismatch"
)