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https://github.com/refraction-networking/utls.git
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8b0b149160
Use information about required CPU features stored in the CPU feature options slice to test if minimal CPU requirements are met instead of hard coding this information in the tests directly. Change-Id: I72d89b1cff305b8e751995d4230a2217e32f4236 Reviewed-on: https://go-review.googlesource.com/c/145118 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Martin Möhrmann <martisch@uos.de> TryBot-Result: Gobot Gobot <gobot@golang.org>
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build 386 amd64 amd64p32
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package cpu_test
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import (
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. "internal/cpu"
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"os"
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"runtime"
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"testing"
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)
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func TestX86ifAVX2hasAVX(t *testing.T) {
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if X86.HasAVX2 && !X86.HasAVX {
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t.Fatalf("HasAVX expected true when HasAVX2 is true, got false")
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}
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}
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func TestDisableSSE2(t *testing.T) {
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runDebugOptionsTest(t, "TestSSE2DebugOption", "sse2=off")
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}
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func TestSSE2DebugOption(t *testing.T) {
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MustHaveDebugOptionsSupport(t)
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if os.Getenv("GODEBUGCPU") != "sse2=off" {
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t.Skipf("skipping test: GODEBUGCPU=sse2=off not set")
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}
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want := runtime.GOARCH != "386" // SSE2 can only be disabled on 386.
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if got := X86.HasSSE2; got != want {
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t.Errorf("X86.HasSSE2 on %s expected %v, got %v", runtime.GOARCH, want, got)
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}
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}
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func TestDisableSSE3(t *testing.T) {
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runDebugOptionsTest(t, "TestSSE3DebugOption", "sse3=off")
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}
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func TestSSE3DebugOption(t *testing.T) {
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MustHaveDebugOptionsSupport(t)
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if os.Getenv("GODEBUGCPU") != "sse3=off" {
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t.Skipf("skipping test: GODEBUGCPU=sse3=off not set")
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}
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want := false
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if got := X86.HasSSE3; got != want {
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t.Errorf("X86.HasSSE3 expected %v, got %v", want, got)
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}
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}
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