1 //===- unittest/Support/DwarfTest.cpp - Dwarf support tests ---------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/Dwarf.h"
11 #include "gtest/gtest.h"
14 using namespace llvm::dwarf;
18 TEST(DwarfTest, TagStringOnInvalid) {
19 // This is invalid, so it shouldn't be stringified.
20 EXPECT_EQ(nullptr, TagString(DW_TAG_invalid));
22 // These aren't really tags: they describe ranges within tags. They
23 // shouldn't be stringified either.
24 EXPECT_EQ(nullptr, TagString(DW_TAG_lo_user));
25 EXPECT_EQ(nullptr, TagString(DW_TAG_hi_user));
26 EXPECT_EQ(nullptr, TagString(DW_TAG_user_base));
29 TEST(DwarfTest, getTag) {
30 // A couple of valid tags.
31 EXPECT_EQ(DW_TAG_array_type, getTag("DW_TAG_array_type"));
32 EXPECT_EQ(DW_TAG_module, getTag("DW_TAG_module"));
35 EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_invalid"));
36 EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_madeuptag"));
37 EXPECT_EQ(DW_TAG_invalid, getTag("something else"));
39 // Tag range markers should not be recognized.
40 EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_lo_user"));
41 EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_hi_user"));
42 EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_user_base"));
45 TEST(DwarfTest, LanguageStringOnInvalid) {
46 // This is invalid, so it shouldn't be stringified.
47 EXPECT_EQ(nullptr, LanguageString(0));
49 // These aren't really tags: they describe ranges within tags. They
50 // shouldn't be stringified either.
51 EXPECT_EQ(nullptr, LanguageString(DW_LANG_lo_user));
52 EXPECT_EQ(nullptr, LanguageString(DW_LANG_hi_user));
55 TEST(DwarfTest, getLanguage) {
56 // A couple of valid languages.
57 EXPECT_EQ(DW_LANG_C89, getLanguage("DW_LANG_C89"));
58 EXPECT_EQ(DW_LANG_C_plus_plus_11, getLanguage("DW_LANG_C_plus_plus_11"));
59 EXPECT_EQ(DW_LANG_OCaml, getLanguage("DW_LANG_OCaml"));
60 EXPECT_EQ(DW_LANG_Mips_Assembler, getLanguage("DW_LANG_Mips_Assembler"));
63 EXPECT_EQ(0u, getLanguage("DW_LANG_invalid"));
64 EXPECT_EQ(0u, getLanguage("DW_TAG_array_type"));
65 EXPECT_EQ(0u, getLanguage("something else"));
67 // Language range markers should not be recognized.
68 EXPECT_EQ(0u, getLanguage("DW_LANG_lo_user"));
69 EXPECT_EQ(0u, getLanguage("DW_LANG_hi_user"));
72 TEST(DwarfTest, AttributeEncodingStringOnInvalid) {
73 // This is invalid, so it shouldn't be stringified.
74 EXPECT_EQ(nullptr, AttributeEncodingString(0));
76 // These aren't really tags: they describe ranges within tags. They
77 // shouldn't be stringified either.
78 EXPECT_EQ(nullptr, AttributeEncodingString(DW_ATE_lo_user));
79 EXPECT_EQ(nullptr, AttributeEncodingString(DW_ATE_hi_user));