diff options
Diffstat (limited to 'pkg/sentry/kernel/table_test.go')
-rw-r--r-- | pkg/sentry/kernel/table_test.go | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/pkg/sentry/kernel/table_test.go b/pkg/sentry/kernel/table_test.go deleted file mode 100644 index 32cf47e05..000000000 --- a/pkg/sentry/kernel/table_test.go +++ /dev/null @@ -1,110 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package kernel - -import ( - "testing" - - "gvisor.dev/gvisor/pkg/abi" - "gvisor.dev/gvisor/pkg/sentry/arch" -) - -const ( - maxTestSyscall = 1000 -) - -func createSyscallTable() *SyscallTable { - m := make(map[uintptr]Syscall) - for i := uintptr(0); i <= maxTestSyscall; i++ { - j := i - m[i] = Syscall{ - Fn: func(*Task, arch.SyscallArguments) (uintptr, *SyscallControl, error) { - return j, nil, nil - }, - } - } - - s := &SyscallTable{ - OS: abi.Linux, - Arch: arch.AMD64, - Table: m, - } - - RegisterSyscallTable(s) - return s -} - -func TestTable(t *testing.T) { - table := createSyscallTable() - defer func() { - // Cleanup registered tables to keep tests separate. - allSyscallTables = []*SyscallTable{} - }() - - // Go through all functions and check that they return the right value. - for i := uintptr(0); i < maxTestSyscall; i++ { - fn := table.Lookup(i) - if fn == nil { - t.Errorf("Syscall %v is set to nil", i) - continue - } - - v, _, _ := fn(nil, arch.SyscallArguments{}) - if v != i { - t.Errorf("Wrong return value for syscall %v: expected %v, got %v", i, i, v) - } - } - - // Check that values outside the range return nil. - for i := uintptr(maxTestSyscall + 1); i < maxTestSyscall+100; i++ { - fn := table.Lookup(i) - if fn != nil { - t.Errorf("Syscall %v is not nil: %v", i, fn) - continue - } - } -} - -func BenchmarkTableLookup(b *testing.B) { - table := createSyscallTable() - - b.ResetTimer() - - j := uintptr(0) - for i := 0; i < b.N; i++ { - table.Lookup(j) - j = (j + 1) % 310 - } - - b.StopTimer() - // Cleanup registered tables to keep tests separate. - allSyscallTables = []*SyscallTable{} -} - -func BenchmarkTableMapLookup(b *testing.B) { - table := createSyscallTable() - - b.ResetTimer() - - j := uintptr(0) - for i := 0; i < b.N; i++ { - table.mapLookup(j) - j = (j + 1) % 310 - } - - b.StopTimer() - // Cleanup registered tables to keep tests separate. - allSyscallTables = []*SyscallTable{} -} |