mirror of
https://github.com/taigrr/gopher-os
synced 2025-01-18 04:43:13 -08:00
8dfc5d4e92
By setting up pwd as a Go workspace, we can trim import paths from something like "github.com/achilleasa/gopher-os/kernel" to just "kernel". These changes make forking easier and also allows us to move the code to a different git hosting provider without having to rewrite the imports.
53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
package mem
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import (
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"testing"
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"unsafe"
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)
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func TestMemset(t *testing.T) {
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// memset with a 0 size should be a no-op
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Memset(uintptr(0), 0x00, 0)
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for pageCount := uint32(1); pageCount <= 10; pageCount++ {
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buf := make([]byte, PageSize<<pageCount)
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for i := 0; i < len(buf); i++ {
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buf[i] = 0xFE
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}
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addr := uintptr(unsafe.Pointer(&buf[0]))
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Memset(addr, 0x00, Size(len(buf)))
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for i := 0; i < len(buf); i++ {
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if got := buf[i]; got != 0x00 {
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t.Errorf("[block with %d pages] expected byte: %d to be 0x00; got 0x%x", pageCount, i, got)
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}
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}
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}
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}
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func TestMemcopy(t *testing.T) {
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// memcopy with a 0 size should be a no-op
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Memcopy(uintptr(0), uintptr(0), 0)
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var (
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src = make([]byte, PageSize)
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dst = make([]byte, PageSize)
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)
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for i := 0; i < len(src); i++ {
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src[i] = byte(i % 256)
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}
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Memcopy(
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uintptr(unsafe.Pointer(&src[0])),
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uintptr(unsafe.Pointer(&dst[0])),
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PageSize,
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)
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for i := 0; i < len(src); i++ {
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if got := dst[i]; got != src[i] {
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t.Errorf("value mismatch between src and dst at index %d", i)
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}
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}
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}
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