sandbox/linux/bpf_dsl: remove ErrorCode intermediary representation

sandbox/linux/bpf_dsl/errorcode_unittest.cc

Index: sandbox/linux/bpf_dsl/errorcode_unittest.cc
diff --git a/sandbox/linux/bpf_dsl/errorcode_unittest.cc b/sandbox/linux/bpf_dsl/errorcode_unittest.cc
deleted file mode 100644
index 7277ed6eac52c0ebc4022bb58d9e8c43133d3fe5..0000000000000000000000000000000000000000
--- a/sandbox/linux/bpf_dsl/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/bpf_dsl/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/bpf_dsl/test_trap_registry.h"
-#include "sandbox/linux/system_headers/linux_seccomp.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace sandbox {
-namespace bpf_dsl {
-namespace {
-
-class DummyPolicy : public Policy {
- public:
-  DummyPolicy() {}
-  ~DummyPolicy() override {}
-
-  ResultExpr EvaluateSyscall(int sysno) const override { return Allow(); }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DummyPolicy);
-};
-
-class ErrorCodeTest : public ::testing::Test {
- protected:
-  ErrorCodeTest()
-      : policy_(), trap_registry_(), compiler_(&policy_, &trap_registry_) {}
-  ~ErrorCodeTest() override {}
-
-  DummyPolicy policy_;
-  TestTrapRegistry trap_registry_;
-  PolicyCompiler compiler_;
-
-  DISALLOW_COPY_AND_ASSIGN(ErrorCodeTest);
-};
-
-TEST_F(ErrorCodeTest, ErrnoConstructor) {
-  ErrorCode e0;
-  EXPECT_EQ(SECCOMP_RET_INVALID, e0.err());
-
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  EXPECT_EQ(SECCOMP_RET_ALLOW, e1.err());
-
-  ErrorCode e2(EPERM);
-  EXPECT_EQ(SECCOMP_RET_ERRNO + EPERM, e2.err());
-
-  ErrorCode e3 = compiler_.Trap(NULL, NULL, true /* safe */);
-  EXPECT_EQ(SECCOMP_RET_TRAP, (e3.err() & SECCOMP_RET_ACTION));
-
-  uint16_t data = 0xdead;
-  ErrorCode e4(ErrorCode::ERR_TRACE + data);
-  EXPECT_EQ(SECCOMP_RET_TRACE + data, e4.err());
-}
-
-TEST_F(ErrorCodeTest, InvalidSeccompRetTrace) {
-  // Should die if the trace data does not fit in 16 bits.
-  ASSERT_DEATH(ErrorCode e(ErrorCode::ERR_TRACE + (1 << 16)),
-               "Invalid use of ErrorCode object");
-}
-
-TEST_F(ErrorCodeTest, Trap) {
-  ErrorCode e0 = compiler_.Trap(NULL, "a", true /* safe */);
-  ErrorCode e1 = compiler_.Trap(NULL, "b", true /* safe */);
-  EXPECT_EQ((e0.err() & SECCOMP_RET_DATA) + 1, e1.err() & SECCOMP_RET_DATA);
-
-  ErrorCode e2 = compiler_.Trap(NULL, "a", true /* safe */);
-  EXPECT_EQ(e0.err() & SECCOMP_RET_DATA, e2.err() & SECCOMP_RET_DATA);
-}
-
-TEST_F(ErrorCodeTest, Equals) {
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  ErrorCode e2(ErrorCode::ERR_ALLOWED);
-  EXPECT_TRUE(e1.Equals(e1));
-  EXPECT_TRUE(e1.Equals(e2));
-  EXPECT_TRUE(e2.Equals(e1));
-
-  ErrorCode e3(EPERM);
-  EXPECT_FALSE(e1.Equals(e3));
-
-  ErrorCode e4 = compiler_.Trap(NULL, "a", true /* safe */);
-  ErrorCode e5 = compiler_.Trap(NULL, "b", true /* safe */);
-  ErrorCode e6 = compiler_.Trap(NULL, "a", true /* safe */);
-  EXPECT_FALSE(e1.Equals(e4));
-  EXPECT_FALSE(e3.Equals(e4));
-  EXPECT_FALSE(e5.Equals(e4));
-  EXPECT_TRUE(e6.Equals(e4));
-}
-
-TEST_F(ErrorCodeTest, LessThan) {
-  ErrorCode e1(ErrorCode::ERR_ALLOWED);
-  ErrorCode e2(ErrorCode::ERR_ALLOWED);
-  EXPECT_FALSE(e1.LessThan(e1));
-  EXPECT_FALSE(e1.LessThan(e2));
-  EXPECT_FALSE(e2.LessThan(e1));
-
-  ErrorCode e3(EPERM);
-  EXPECT_FALSE(e1.LessThan(e3));
-  EXPECT_TRUE(e3.LessThan(e1));
-
-  ErrorCode e4 = compiler_.Trap(NULL, "a", true /* safe */);
-  ErrorCode e5 = compiler_.Trap(NULL, "b", true /* safe */);
-  ErrorCode e6 = compiler_.Trap(NULL, "a", true /* safe */);
-  EXPECT_TRUE(e1.LessThan(e4));
-  EXPECT_TRUE(e3.LessThan(e4));
-  EXPECT_TRUE(e4.LessThan(e5));
-  EXPECT_FALSE(e4.LessThan(e6));
-  EXPECT_FALSE(e6.LessThan(e4));
-}
-
-}  // namespace
-}  // namespace bpf_dsl
-}  // namespace sandbox