Create a stub for DWARF parser unittests
[oota-llvm.git] / unittests / DebugInfo / DWARFFormValueTest.cpp
1 //===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/DebugInfo/DWARFFormValue.h"
11 #include "llvm/Support/Dwarf.h"
12 #include "gtest/gtest.h"
13 using namespace llvm;
14 using namespace dwarf;
15
16 namespace {
17
18 TEST(DWARFFormValue, FixedFormSizes) {
19   // Size of DW_FORM_addr and DW_FORM_ref_addr are equal in DWARF2,
20   // DW_FORM_ref_addr is always 4 bytes in DWARF32 starting from DWARF3.
21   const uint8_t *sizes = DWARFFormValue::getFixedFormSizes(4, 2);
22   EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
23   sizes = DWARFFormValue::getFixedFormSizes(8, 2);
24   EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
25   sizes = DWARFFormValue::getFixedFormSizes(8, 3);
26   EXPECT_EQ(4, sizes[DW_FORM_ref_addr]);
27   // Check that we don't have fixed form sizes for weird address sizes.
28   EXPECT_EQ(0, DWARFFormValue::getFixedFormSizes(16, 2));
29 }
30
31 } // end anonymous namespace