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//===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/DWARFFormValue.h"
#include "llvm/Support/Dwarf.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace dwarf;
namespace {
TEST(DWARFFormValue, FixedFormSizes) {
// Size of DW_FORM_addr and DW_FORM_ref_addr are equal in DWARF2,
// DW_FORM_ref_addr is always 4 bytes in DWARF32 starting from DWARF3.
ArrayRef<uint8_t> sizes = DWARFFormValue::getFixedFormSizes(4, 2);
EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
sizes = DWARFFormValue::getFixedFormSizes(8, 2);
EXPECT_EQ(sizes[DW_FORM_addr], sizes[DW_FORM_ref_addr]);
sizes = DWARFFormValue::getFixedFormSizes(8, 3);
EXPECT_EQ(4, sizes[DW_FORM_ref_addr]);
// Check that we don't have fixed form sizes for weird address sizes.
EXPECT_EQ(0U, DWARFFormValue::getFixedFormSizes(16, 2).size());
}
bool isFormClass(uint16_t Form, DWARFFormValue::FormClass FC) {
return DWARFFormValue(Form).isFormClass(FC);
}
TEST(DWARFFormValue, FormClass) {
EXPECT_TRUE(isFormClass(DW_FORM_addr, DWARFFormValue::FC_Address));
EXPECT_FALSE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Address));
EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Constant));
EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_SectionOffset));
EXPECT_TRUE(
isFormClass(DW_FORM_sec_offset, DWARFFormValue::FC_SectionOffset));
EXPECT_TRUE(isFormClass(DW_FORM_GNU_str_index, DWARFFormValue::FC_String));
EXPECT_TRUE(isFormClass(DW_FORM_GNU_addr_index, DWARFFormValue::FC_Address));
EXPECT_FALSE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Address));
EXPECT_TRUE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Reference));
}
} // end anonymous namespace
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