cpu_windows_test.go

     1  // Copyright 2026 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package cpu_test
     6  
     7  import (
     8  	"internal/cpu"
     9  	"internal/syscall/windows"
    10  	"runtime"
    11  	"testing"
    12  )
    13  
    14  func TestARM64WindowsFeatures(t *testing.T) {
    15  	if runtime.GOARCH != "amd64" {
    16  		return
    17  	}
    18  
    19  	if cpu.ARM64.HasCPUID {
    20  		t.Fatal("HasCPUID expected false, got true")
    21  	}
    22  	if cpu.ARM64.HasDIT {
    23  		t.Fatal("HasDIT expected false, got true")
    24  	}
    25  	if cpu.ARM64.IsNeoverse {
    26  		t.Fatal("IsNeoverse expected false, got true")
    27  	}
    28  
    29  	if got, want := cpu.ARM64.HasAES, windows.IsProcessorFeaturePresent(windows.PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE); got != want {
    30  		t.Fatalf("HasAES expected %v, got %v", want, got)
    31  	}
    32  	if got, want := cpu.ARM64.HasPMULL, windows.IsProcessorFeaturePresent(windows.PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE); got != want {
    33  		t.Fatalf("HasPMULL expected %v, got %v", want, got)
    34  	}
    35  	if got, want := cpu.ARM64.HasSHA1, windows.IsProcessorFeaturePresent(windows.PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE); got != want {
    36  		t.Fatalf("HasSHA1 expected %v, got %v", want, got)
    37  	}
    38  	if got, want := cpu.ARM64.HasSHA2, windows.IsProcessorFeaturePresent(windows.PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE); got != want {
    39  		t.Fatalf("HasSHA2 expected %v, got %v", want, got)
    40  	}
    41  
    42  	if got, want := cpu.ARM64.HasSHA3, windows.IsProcessorFeaturePresent(windows.PF_ARM_SHA3_INSTRUCTIONS_AVAILABLE); got != want {
    43  		t.Fatalf("HasSHA3 expected %v, got %v", want, got)
    44  	}
    45  	if got, want := cpu.ARM64.HasCRC32, windows.IsProcessorFeaturePresent(windows.PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE); got != want {
    46  		t.Fatalf("HasCRC32 expected %v, got %v", want, got)
    47  	}
    48  	if got, want := cpu.ARM64.HasSHA512, windows.IsProcessorFeaturePresent(windows.PF_ARM_SHA512_INSTRUCTIONS_AVAILABLE); got != want {
    49  		t.Fatalf("HasSHA512 expected %v, got %v", want, got)
    50  	}
    51  	if got, want := cpu.ARM64.HasATOMICS, windows.IsProcessorFeaturePresent(windows.PF_ARM_V81_ATOMIC_INSTRUCTIONS_AVAILABLE); got != want {
    52  		t.Fatalf("HasATOMICS expected %v, got %v", want, got)
    53  	}
    54  }
    55
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