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Current Path: /opt/golang/1.22.0/src/internal/cpu

opt / golang / 1.22.0 / src / internal / cpu /

📁 ..
📄 cpu.go(6.85 KB)
📄 cpu.s(276 B)
📄 cpu_arm.go(1.26 KB)
📄 cpu_arm64.go(1.64 KB)
📄 cpu_arm64.s(439 B)
📄 cpu_arm64_android.go(231 B)
📄 cpu_arm64_darwin.go(1014 B)
📄 cpu_arm64_freebsd.go(322 B)
📄 cpu_arm64_hwcap.go(2.15 KB)
📄 cpu_arm64_linux.go(250 B)
📄 cpu_arm64_openbsd.go(574 B)
📄 cpu_arm64_other.go(466 B)
📄 cpu_loong64.go(398 B)
📄 cpu_mips.go(220 B)
📄 cpu_mips64x.go(671 B)
📄 cpu_mipsle.go(220 B)
📄 cpu_no_name.go(620 B)
📄 cpu_ppc64x.go(651 B)
📄 cpu_ppc64x_aix.go(603 B)
📄 cpu_ppc64x_linux.go(885 B)
📄 cpu_ppc64x_other.go(423 B)
📄 cpu_riscv64.go(220 B)
📄 cpu_s390x.go(5.88 KB)
📄 cpu_s390x.s(2.2 KB)
📄 cpu_s390x_test.go(1.43 KB)
📄 cpu_test.go(1.4 KB)
📄 cpu_wasm.go(220 B)
📄 cpu_x86.go(5.81 KB)
📄 cpu_x86.s(831 B)
📄 cpu_x86_test.go(1.37 KB)
📄 export_test.go(200 B)
📄 export_x86_test.go(241 B)

Editing: cpu_test.go

// Copyright 2017 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 cpu_test

import (
	. "internal/cpu"
	"internal/godebug"
	"internal/testenv"
	"os"
	"os/exec"
	"testing"
)

func MustHaveDebugOptionsSupport(t *testing.T) {
	if !DebugOptions {
		t.Skipf("skipping test: cpu feature options not supported by OS")
	}
}

func MustSupportFeatureDetection(t *testing.T) {
	// TODO: add platforms that do not have CPU feature detection support.
}

func runDebugOptionsTest(t *testing.T, test string, options string) {
	MustHaveDebugOptionsSupport(t)

testenv.MustHaveExec(t)

env := "GODEBUG=" + options

cmd := exec.Command(os.Args[0], "-test.run=^"+test+"$")
	cmd.Env = append(cmd.Env, env)

output, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("%s with %s: run failed: %v output:\n%s\n",
			test, env, err, string(output))
	}
}

func TestDisableAllCapabilities(t *testing.T) {
	MustSupportFeatureDetection(t)
	runDebugOptionsTest(t, "TestAllCapabilitiesDisabled", "cpu.all=off")
}

func TestAllCapabilitiesDisabled(t *testing.T) {
	MustHaveDebugOptionsSupport(t)

if godebug.New("#cpu.all").Value() != "off" {
		t.Skipf("skipping test: GODEBUG=cpu.all=off not set")
	}

for _, o := range Options {
		want := false
		if got := *o.Feature; got != want {
			t.Errorf("%v: expected %v, got %v", o.Name, want, got)
		}
	}
}

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Editing: cpu_test.go

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