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// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"io"
)
// Expect 8 MB of memory usage for a small wasm program.
// This reflects the current allocator. We test an exact
// value here, but if the allocator changes, we can update
// or relax this.
const want = 8 << 20
var w = io.Discard
func main() {
fmt.Fprintln(w, "hello world")
const pageSize = 64 * 1024
sz := uintptr(currentMemory()) * pageSize
if sz != want {
fmt.Printf("FAIL: unexpected memory size %d, want %d\n", sz, want)
}
}
func currentMemory() int32 // implemented in assembly
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