sandbox/linux: move ErrorCode into bpf_dsl

sandbox/linux/seccomp-bpf/errorcode_unittest.cc

Index: sandbox/linux/seccomp-bpf/errorcode_unittest.cc
diff --git a/sandbox/linux/seccomp-bpf/errorcode_unittest.cc b/sandbox/linux/seccomp-bpf/errorcode_unittest.cc
deleted file mode 100644
index 6b5491ee4a3c3c01f068638d6a848650479baeed..0000000000000000000000000000000000000000
--- a/sandbox/linux/seccomp-bpf/errorcode_unittest.cc
+++ /dev/null
@@ -1,120 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sandbox/linux/seccomp-bpf/errorcode.h"
-
-#include <errno.h>
-
-#include "base/macros.h"
-#include "sandbox/linux/bpf_dsl/bpf_dsl.h"
-#include "sandbox/linux/bpf_dsl/policy.h"
-#include "sandbox/linux/bpf_dsl/policy_compiler.h"
-#include "sandbox/linux/seccomp-bpf/trap.h"
-#include "sandbox/linux/system_headers/linux_seccomp.h"
-#include "sandbox/linux/tests/unit_tests.h"
-
-namespace sandbox {
-
-namespace {
-
-class DummyPolicy : public bpf_dsl::Policy {
- public:
-  DummyPolicy() {}
-  ~DummyPolicy() override {}
-
-  bpf_dsl::ResultExpr EvaluateSyscall(int sysno) const override {
-    return bpf_dsl::Allow();
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DummyPolicy);
-};
-
-SANDBOX_TEST(ErrorCode, ErrnoConstructor) {
-  ErrorCode e0;
-  SANDBOX_ASSERT(e0.err() == SECCOMP_RET_INVALID);
-
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  SANDBOX_ASSERT(e1.err() == SECCOMP_RET_ALLOW);
-
-  ErrorCode e2(EPERM);
-  SANDBOX_ASSERT(e2.err() == SECCOMP_RET_ERRNO + EPERM);
-
-  DummyPolicy dummy_policy;
-  bpf_dsl::PolicyCompiler compiler(&dummy_policy, Trap::Registry());
-  ErrorCode e3 = compiler.Trap(NULL, NULL, true /* safe */);
-  SANDBOX_ASSERT((e3.err() & SECCOMP_RET_ACTION)  == SECCOMP_RET_TRAP);
-
-  uint16_t data = 0xdead;
-  ErrorCode e4(ErrorCode::ERR_TRACE + data);
-  SANDBOX_ASSERT(e4.err() == SECCOMP_RET_TRACE + data);
-}
-
-SANDBOX_DEATH_TEST(ErrorCode,
-                   InvalidSeccompRetTrace,
-                   DEATH_MESSAGE("Invalid use of ErrorCode object")) {
-  // Should die if the trace data does not fit in 16 bits.
-  ErrorCode e(ErrorCode::ERR_TRACE + (1 << 16));
-}
-
-SANDBOX_TEST(ErrorCode, Trap) {
-  DummyPolicy dummy_policy;
-  bpf_dsl::PolicyCompiler compiler(&dummy_policy, Trap::Registry());
-  ErrorCode e0 = compiler.Trap(NULL, "a", true /* safe */);
-  ErrorCode e1 = compiler.Trap(NULL, "b", true /* safe */);
-  SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) + 1 ==
-                 (e1.err() & SECCOMP_RET_DATA));
-
-  ErrorCode e2 = compiler.Trap(NULL, "a", true /* safe */);
-  SANDBOX_ASSERT((e0.err() & SECCOMP_RET_DATA) ==
-                 (e2.err() & SECCOMP_RET_DATA));
-}
-
-SANDBOX_TEST(ErrorCode, Equals) {
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  ErrorCode e2(ErrorCode::ERR_ALLOWED);
-  SANDBOX_ASSERT(e1.Equals(e1));
-  SANDBOX_ASSERT(e1.Equals(e2));
-  SANDBOX_ASSERT(e2.Equals(e1));
-
-  ErrorCode e3(EPERM);
-  SANDBOX_ASSERT(!e1.Equals(e3));
-
-  DummyPolicy dummy_policy;
-  bpf_dsl::PolicyCompiler compiler(&dummy_policy, Trap::Registry());
-  ErrorCode e4 = compiler.Trap(NULL, "a", true /* safe */);
-  ErrorCode e5 = compiler.Trap(NULL, "b", true /* safe */);
-  ErrorCode e6 = compiler.Trap(NULL, "a", true /* safe */);
-  SANDBOX_ASSERT(!e1.Equals(e4));
-  SANDBOX_ASSERT(!e3.Equals(e4));
-  SANDBOX_ASSERT(!e5.Equals(e4));
-  SANDBOX_ASSERT( e6.Equals(e4));
-}
-
-SANDBOX_TEST(ErrorCode, LessThan) {
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  ErrorCode e2(ErrorCode::ERR_ALLOWED);
-  SANDBOX_ASSERT(!e1.LessThan(e1));
-  SANDBOX_ASSERT(!e1.LessThan(e2));
-  SANDBOX_ASSERT(!e2.LessThan(e1));
-
-  ErrorCode e3(EPERM);
-  SANDBOX_ASSERT(!e1.LessThan(e3));
-  SANDBOX_ASSERT( e3.LessThan(e1));
-
-  DummyPolicy dummy_policy;
-  bpf_dsl::PolicyCompiler compiler(&dummy_policy, Trap::Registry());
-  ErrorCode e4 = compiler.Trap(NULL, "a", true /* safe */);
-  ErrorCode e5 = compiler.Trap(NULL, "b", true /* safe */);
-  ErrorCode e6 = compiler.Trap(NULL, "a", true /* safe */);
-  SANDBOX_ASSERT(e1.LessThan(e4));
-  SANDBOX_ASSERT(e3.LessThan(e4));
-  SANDBOX_ASSERT(e4.LessThan(e5));
-  SANDBOX_ASSERT(!e4.LessThan(e6));
-  SANDBOX_ASSERT(!e6.LessThan(e4));
-}
-
-}  // namespace
-
-}  // namespace sandbox