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//===- unittest/Support/DwarfTest.cpp - Dwarf support tests ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Dwarf.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::dwarf;
namespace {
TEST(DwarfTest, TagStringOnInvalid) {
// This is invalid, so it shouldn't be stringified.
EXPECT_EQ(nullptr, TagString(DW_TAG_invalid));
// These aren't really tags: they describe ranges within tags. They
// shouldn't be stringified either.
EXPECT_EQ(nullptr, TagString(DW_TAG_lo_user));
EXPECT_EQ(nullptr, TagString(DW_TAG_hi_user));
EXPECT_EQ(nullptr, TagString(DW_TAG_user_base));
}
TEST(DwarfTest, getTag) {
// A couple of valid tags.
EXPECT_EQ(DW_TAG_array_type, getTag("DW_TAG_array_type"));
EXPECT_EQ(DW_TAG_module, getTag("DW_TAG_module"));
// Invalid tags.
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_invalid"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_madeuptag"));
EXPECT_EQ(DW_TAG_invalid, getTag("something else"));
// Tag range markers should not be recognized.
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_lo_user"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_hi_user"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_user_base"));
}
TEST(DwarfTest, getOperationEncoding) {
// Some valid ops.
EXPECT_EQ(DW_OP_deref, getOperationEncoding("DW_OP_deref"));
EXPECT_EQ(DW_OP_bit_piece, getOperationEncoding("DW_OP_bit_piece"));
// Invalid ops.
EXPECT_EQ(0u, getOperationEncoding("DW_OP_otherthings"));
EXPECT_EQ(0u, getOperationEncoding("other"));
// Markers shouldn't be recognized.
EXPECT_EQ(0u, getOperationEncoding("DW_OP_lo_user"));
EXPECT_EQ(0u, getOperationEncoding("DW_OP_hi_user"));
}
TEST(DwarfTest, LanguageStringOnInvalid) {
// This is invalid, so it shouldn't be stringified.
EXPECT_EQ(nullptr, LanguageString(0));
// These aren't really tags: they describe ranges within tags. They
// shouldn't be stringified either.
EXPECT_EQ(nullptr, LanguageString(DW_LANG_lo_user));
EXPECT_EQ(nullptr, LanguageString(DW_LANG_hi_user));
}
TEST(DwarfTest, getLanguage) {
// A couple of valid languages.
EXPECT_EQ(DW_LANG_C89, getLanguage("DW_LANG_C89"));
EXPECT_EQ(DW_LANG_C_plus_plus_11, getLanguage("DW_LANG_C_plus_plus_11"));
EXPECT_EQ(DW_LANG_OCaml, getLanguage("DW_LANG_OCaml"));
EXPECT_EQ(DW_LANG_Mips_Assembler, getLanguage("DW_LANG_Mips_Assembler"));
// Invalid languages.
EXPECT_EQ(0u, getLanguage("DW_LANG_invalid"));
EXPECT_EQ(0u, getLanguage("DW_TAG_array_type"));
EXPECT_EQ(0u, getLanguage("something else"));
// Language range markers should not be recognized.
EXPECT_EQ(0u, getLanguage("DW_LANG_lo_user"));
EXPECT_EQ(0u, getLanguage("DW_LANG_hi_user"));
}
TEST(DwarfTest, AttributeEncodingStringOnInvalid) {
// This is invalid, so it shouldn't be stringified.
EXPECT_EQ(nullptr, AttributeEncodingString(0));
// These aren't really tags: they describe ranges within tags. They
// shouldn't be stringified either.
EXPECT_EQ(nullptr, AttributeEncodingString(DW_ATE_lo_user));
EXPECT_EQ(nullptr, AttributeEncodingString(DW_ATE_hi_user));
}
TEST(DwarfTest, getAttributeEncoding) {
// A couple of valid languages.
EXPECT_EQ(DW_ATE_boolean, getAttributeEncoding("DW_ATE_boolean"));
EXPECT_EQ(DW_ATE_imaginary_float,
getAttributeEncoding("DW_ATE_imaginary_float"));
// Invalid languages.
EXPECT_EQ(0u, getAttributeEncoding("DW_ATE_invalid"));
EXPECT_EQ(0u, getAttributeEncoding("DW_TAG_array_type"));
EXPECT_EQ(0u, getAttributeEncoding("something else"));
// AttributeEncoding range markers should not be recognized.
EXPECT_EQ(0u, getAttributeEncoding("DW_ATE_lo_user"));
EXPECT_EQ(0u, getAttributeEncoding("DW_ATE_hi_user"));
}
TEST(DwarfTest, VirtualityString) {
EXPECT_EQ(StringRef("DW_VIRTUALITY_none"),
VirtualityString(DW_VIRTUALITY_none));
EXPECT_EQ(StringRef("DW_VIRTUALITY_virtual"),
VirtualityString(DW_VIRTUALITY_virtual));
EXPECT_EQ(StringRef("DW_VIRTUALITY_pure_virtual"),
VirtualityString(DW_VIRTUALITY_pure_virtual));
// DW_VIRTUALITY_max should be pure virtual.
EXPECT_EQ(StringRef("DW_VIRTUALITY_pure_virtual"),
VirtualityString(DW_VIRTUALITY_max));
// Invalid numbers shouldn't be stringified.
EXPECT_EQ(nullptr, VirtualityString(DW_VIRTUALITY_max + 1));
EXPECT_EQ(nullptr, VirtualityString(DW_VIRTUALITY_max + 77));
}
TEST(DwarfTest, getVirtuality) {
EXPECT_EQ(DW_VIRTUALITY_none, getVirtuality("DW_VIRTUALITY_none"));
EXPECT_EQ(DW_VIRTUALITY_virtual, getVirtuality("DW_VIRTUALITY_virtual"));
EXPECT_EQ(DW_VIRTUALITY_pure_virtual,
getVirtuality("DW_VIRTUALITY_pure_virtual"));
// Invalid strings.
EXPECT_EQ(DW_VIRTUALITY_invalid, getVirtuality("DW_VIRTUALITY_invalid"));
EXPECT_EQ(DW_VIRTUALITY_invalid, getVirtuality("DW_VIRTUALITY_max"));
EXPECT_EQ(DW_VIRTUALITY_invalid, getVirtuality("something else"));
}
} // end namespace
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