courgette/typedrva_unittest.cc

   1 // Copyright 2013 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <stdint.h>
   6
   7 #include "courgette/base_test_unittest.h"
   8 #include "courgette/disassembler_elf_32_x86.h"
   9 #include "courgette/image_utils.h"
  10
  11 class TypedRVATest : public BaseTest {
  12  public:
  13   void TestRelativeTargetX86(courgette::RVA word, courgette::RVA expected)
  14     const;
  15
  16 };
  17
  18 void TypedRVATest::TestRelativeTargetX86(courgette::RVA word,
  19                                          courgette::RVA expected) const {
  20   courgette::DisassemblerElf32X86::TypedRVAX86* typed_rva
  21     = new courgette::DisassemblerElf32X86::TypedRVAX86(0);
  22   const uint8_t* op_pointer = reinterpret_cast<const uint8_t*>(&word);
  23
  24   EXPECT_TRUE(typed_rva->ComputeRelativeTarget(op_pointer));
  25   EXPECT_EQ(typed_rva->relative_target(), expected);
  26
  27   delete typed_rva;
  28 }
  29
  30 uint32_t Read32LittleEndian(const void* address) {
  31   return *reinterpret_cast<const uint32_t*>(address);
  32 }
  33
  34 TEST_F(TypedRVATest, TestX86) {
  35   TestRelativeTargetX86(0x0, 0x4);
  36 }