Delete old x86 validator.

src/trusted/validator/x86/nc_remaining_memory_tests.cc

-/*
- * Copyright (c) 2011 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/*
- * Unit tests for struct NCRemainingMemory in ncinstbuffer.{h,cc}.
- */
-
-#ifndef NACL_TRUSTED_BUT_NOT_TCB
-#error("This file is not meant for use in the TCB")
-#endif
-
-#include <stdio.h>
-
-#include "gtest/gtest.h"
-
-#include "native_client/src/trusted/validator/x86/ncinstbuffer.h"
-
-namespace {
-
-/* Constant defining maximum buffer size for memory. */
-const size_t kMaxBufferSize = 30;
-
-/* Test harness for class NCRemainingMemory. */
-class NCRemainingMemoryTests : public ::testing::Test {
- protected:
-  void SetUp();
-  NCRemainingMemoryTests();
-  NCRemainingMemory _memory;        /* Memory being tested. */
-  uint8_t _buffer[kMaxBufferSize];  /* Memory buffer to use. */
-  const size_t _buffer_size;        /* Actually size of test data. */
-  static const char* kTestData;     /* Data put into memory for testing. */
-};
-
-/* Simnple sample size for testing. */
-const size_t kSampleSize = 10;
-
-const char* NCRemainingMemoryTests::kTestData = "Test data";
-
-NCRemainingMemoryTests::NCRemainingMemoryTests()
-    : _buffer_size(strlen(kTestData)) {
-  /* Fill buffer with bad test data, so that we know if bad accesses occur
-   * past the end of the buffer.
-   */
-  for (size_t i = 0; i < kMaxBufferSize; ++i) {
-    _buffer[i] = 'X';
-  }
-  /* Now fill in the good test data. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    _buffer[i] = (uint8_t) kTestData[i];
-  }
-}
-
-void NCRemainingMemoryTests::SetUp() {
-  NCRemainingMemoryInit(_buffer, _buffer_size, &_memory);
-}
-
-/* Test (macro) NCRemainingMemoryGetNext, and see if it properly
- * sees the data in the memory buffer.
- */
-TEST_F(NCRemainingMemoryTests, GetNextGetsData) {
-  /* First verify that we get text as defined in the test data. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    EXPECT_EQ(NCRemainingMemoryGetNext(&_memory), (uint8_t) kTestData[i])
-        << "testing GetNext(" << i << ")";
-    NCRemainingMemoryRead(&_memory);
-  }
-  /* Now verify that if we look at the next (i.e. peek), we get 0. */
-  EXPECT_EQ(0, NCRemainingMemoryGetNext(&_memory)) << "testing GetNext(eof).";
-}
-
-/* Test function NCRemainingMemoryLookahead, and see if it properly
- * sees the data in the memory buffer.
- */
-TEST_F(NCRemainingMemoryTests, LookaheadGetsData) {
-  size_t chars_read = 0;
-  /* Try looking ahead from each possible position in the buffer. */
-  for (size_t chars_left = _buffer_size; chars_left > 0; --chars_left) {
-    /* First verify that for the characters left, lookahead matches. */
-    for (size_t i = 0; i < chars_left; ++i) {
-      EXPECT_EQ(NCRemainingMemoryLookahead(&_memory, i),
-                (uint8_t) kTestData[chars_read + i])
-          << "testing Lookahed(" << i << " after " << chars_read
-          << " chars read.";
-    }
-    /* Verify that any further lookahead returns 0. */
-    EXPECT_EQ(0, NCRemainingMemoryLookahead(&_memory, chars_left));
-    EXPECT_EQ(0, NCRemainingMemoryLookahead(&_memory, chars_left+1));
-    EXPECT_EQ(0, NCRemainingMemoryLookahead(&_memory, chars_left+10));
-    EXPECT_EQ(0, NCRemainingMemoryLookahead(&_memory, chars_left+111));
-    NCRemainingMemoryRead(&_memory);
-    ++chars_read;
-  }
-}
-
-/* Test function NCRemainingMemoryRead, and see if it properly reads
- * data from the memory buffer.
- */
-TEST_F(NCRemainingMemoryTests, ReadGetsData) {
-  /* First verify that we get text as defined in the test data. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    EXPECT_EQ(NCRemainingMemoryRead(&_memory), (uint8_t) kTestData[i])
-        << "after reading " << i << " characters.";
-  }
-  /* Now verify that zero is returned for any additional reads. */
-  EXPECT_EQ(0, NCRemainingMemoryRead(&_memory))
-      << "after reading all characters.";
-  EXPECT_EQ(0, NCRemainingMemoryRead(&_memory))
-      << "after reading too far past characters";
-}
-
-/* Test if the field read_length is properly updated by the read function. */
-TEST_F(NCRemainingMemoryTests, ReadLengthTests) {
-  /* Verify that read count is initially zero. */
-  EXPECT_EQ(0, _memory.read_length) << "should be initially zero read lenght";
-  /* Verify that we update the read length while there is real data. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    EXPECT_EQ(i, _memory.read_length);
-    NCRemainingMemoryRead(&_memory);
-  }
-  /* Verify that no matter how many more reads we do, the read length
-   * doesn't increase.
-   */
-  NCRemainingMemoryRead(&_memory);
-  EXPECT_EQ(_buffer_size, (size_t)_memory.read_length);
-  NCRemainingMemoryRead(&_memory);
-  EXPECT_EQ(_buffer_size, (size_t)_memory.read_length);
-}
-
-/* Test if the field overflow_count is properly updated by the read function. */
-TEST_F(NCRemainingMemoryTests, OverflowCountTests) {
-  /* Verify that the overflow count stays zero while there is still data
-   * in the buffer.
-   */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    EXPECT_EQ(0, _memory.overflow_count);
-    NCRemainingMemoryRead(&_memory);
-  }
-  /* Verify that any further reading causes the overflow counter to
-   * be bumped.
-   */
-  for (size_t i = 0; i < kSampleSize; ++i) {
-    EXPECT_EQ(i, _memory.overflow_count);
-    NCRemainingMemoryRead(&_memory);
-  }
-}
-
-/* Test if function NCRemainingMemoryReset works. */
-TEST_F(NCRemainingMemoryTests, ResetDataTests) {
-  /* Try reseting on possible buffer positions. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    /* Try different read lengths before reseting. */
-    for (size_t read_size = 0; read_size < _buffer_size + kSampleSize;
-         ++read_size) {
-      for (size_t k = 0; k < read_size; k++) {
-        NCRemainingMemoryRead(&_memory);
-      }
-      NCRemainingMemoryReset(&_memory);
-      EXPECT_EQ(0, _memory.read_length);
-      EXPECT_EQ(0, _memory.overflow_count);
-      EXPECT_EQ(NCRemainingMemoryGetNext(&_memory),
-                (uint8_t) kTestData[i]);
-    }
-    NCRemainingMemoryRead(&_memory);
-    NCRemainingMemoryAdvance(&_memory);
-  }
-}
-
-/* Test if function NCRemainingMemoryAdvance works. */
-TEST_F(NCRemainingMemoryTests, AdvanceDataTests) {
-  /* Try advancing from various locations within the memory. */
-  for (size_t i = 0; i < _buffer_size; ++i) {
-    SetUp();
-    for (size_t j = 0; j < i; ++j) {
-      NCRemainingMemoryRead(&_memory);
-    }
-    NCRemainingMemoryAdvance(&_memory);
-    EXPECT_EQ(0, _memory.read_length);
-    EXPECT_EQ(0, _memory.overflow_count);
-    EXPECT_EQ(NCRemainingMemoryGetNext(&_memory),
-              (uint8_t) kTestData[i]);
-  }
-}
-
-};  // anonymous namespace
-
-int main(int argc, char *argv[]) {
-  testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}