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