1 // Copyright 2015 syzkaller project authors. All rights reserved. 2 // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. 3 4 package host 5 6 import ( 7 "fmt" 8 "runtime" 9 "testing" 10 11 "github.com/google/syzkaller/prog" 12 _ "github.com/google/syzkaller/sys" 13 ) 14 15 func TestDetectSupportedSyscalls(t *testing.T) { 16 // Note: this test is not parallel because it modifies global testFallback var. 17 for _, fallback := range []bool{false, true} { 18 t.Run(fmt.Sprintf("fallback=%v", fallback), func(t *testing.T) { 19 oldFallback := testFallback 20 testFallback = fallback 21 defer func() { testFallback = oldFallback }() 22 target, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH) 23 if err != nil { 24 t.Fatal(err) 25 } 26 // Dump for manual inspection. 27 supp, disabled, err := DetectSupportedSyscalls(target, "none") 28 if err != nil { 29 t.Fatal(err) 30 } 31 for c, ok := range supp { 32 if !ok { 33 t.Fatalf("map contains false value for %v", c.Name) 34 } 35 } 36 t.Logf("unsupported:") 37 for c, reason := range disabled { 38 t.Logf("%v: %v", c.Name, reason) 39 } 40 _, disabled = target.TransitivelyEnabledCalls(supp) 41 t.Logf("\n\ntransitively unsupported:") 42 for c, reason := range disabled { 43 t.Logf("%v: %v", c.Name, reason) 44 } 45 }) 46 } 47 } 48 49 func TestCheck(t *testing.T) { 50 t.Parallel() 51 target, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH) 52 if err != nil { 53 t.Fatal(err) 54 } 55 features, err := Check(target) 56 if err != nil { 57 t.Fatal(err) 58 } 59 for _, feat := range features { 60 t.Logf("%-24v: %v", feat.Name, feat.Reason) 61 } 62 } 63
