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[DWARFYAML][unittest] Refactor parseDWARFYAML().

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In this change, `parseDWARFYAML()` is refactored to be able to parse
YAML decription into different data structures. We don't have to craft
the whole DWARF structure for a small test in the future.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D83220
This commit is contained in:
Xing GUO 2020-07-09 11:59:15 +08:00
parent c9fe5b6be3
commit b71d05baba
1 changed files with 30 additions and 38 deletions
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68
unittests/ObjectYAML/DWARFYAMLTest.cpp
View File

@ -16,13 +16,7 @@
using namespace llvm;
static Expected<DWARFYAML::Data> parseDWARFYAML(StringRef Yaml,
bool IsLittleEndian = false,
bool Is64bit = true) {
DWARFYAML::Data Data;
Data.IsLittleEndian = IsLittleEndian;
Data.Is64bit = Is64bit;
template <class T> static Error parseDWARFYAML(StringRef Yaml, T &Data) {
SMDiagnostic GenerateDiag;
yaml::Input YIn(
Yaml, /*Ctxt=*/nullptr,
@ -35,7 +29,7 @@ static Expected<DWARFYAML::Data> parseDWARFYAML(StringRef Yaml,
if (YIn.error())
return createStringError(YIn.error(), GenerateDiag.getMessage());
return Data;
return Error::success();
}
TEST(DebugAddrSection, TestParseDebugAddrYAML) {
@ -45,31 +39,29 @@ debug_addr:
Length: 0x1234
Version: 5
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
EXPECT_THAT_EXPECTED(DWARFOrErr, Succeeded());
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
}
TEST(DebugAddrSection, TestMissingVersion) {
StringRef Yaml = R"(
debug_addr:
- Format: DWARF64
Length: 0x1234
Format: DWARF64
Length: 0x1234
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
EXPECT_THAT_ERROR(DWARFOrErr.takeError(),
DWARFYAML::AddrTableEntry AddrTableEntry;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, AddrTableEntry),
FailedWithMessage("missing required key 'Version'"));
}
TEST(DebugAddrSection, TestUnexpectedKey) {
StringRef Yaml = R"(
debug_addr:
- Format: DWARF64
Length: 0x1234
Version: 5
Blah: unexpected
Format: DWARF64
Length: 0x1234
Version: 5
Blah: unexpected
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
EXPECT_THAT_ERROR(DWARFOrErr.takeError(),
DWARFYAML::AddrTableEntry AddrTableEntry;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, AddrTableEntry),
FailedWithMessage("unknown key 'Blah'"));
}
@ -98,11 +90,11 @@ debug_pubtypes:
- DieOffset: 0x4321
Name: def
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
ASSERT_THAT_EXPECTED(DWARFOrErr, Succeeded());
DWARFYAML::Data Data;
ASSERT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
ASSERT_TRUE(DWARFOrErr->PubNames.hasValue());
DWARFYAML::PubSection PubNames = DWARFOrErr->PubNames.getValue();
ASSERT_TRUE(Data.PubNames.hasValue());
DWARFYAML::PubSection PubNames = Data.PubNames.getValue();
ASSERT_EQ(PubNames.Entries.size(), 2u);
EXPECT_EQ((uint32_t)PubNames.Entries[0].DieOffset, 0x1234u);
@ -110,8 +102,8 @@ debug_pubtypes:
EXPECT_EQ((uint32_t)PubNames.Entries[1].DieOffset, 0x4321u);
EXPECT_EQ(PubNames.Entries[1].Name, "def");
ASSERT_TRUE(DWARFOrErr->PubTypes.hasValue());
DWARFYAML::PubSection PubTypes = DWARFOrErr->PubTypes.getValue();
ASSERT_TRUE(Data.PubTypes.hasValue());
DWARFYAML::PubSection PubTypes = Data.PubTypes.getValue();
ASSERT_EQ(PubTypes.Entries.size(), 2u);
EXPECT_EQ((uint32_t)PubTypes.Entries[0].DieOffset, 0x1234u);
@ -133,8 +125,8 @@ debug_pubnames:
Descriptor: 0x12
Name: abcd
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
EXPECT_THAT_ERROR(DWARFOrErr.takeError(),
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data),
FailedWithMessage("unknown key 'Descriptor'"));
}
@ -167,11 +159,11 @@ debug_gnu_pubtypes:
Descriptor: 0x34
Name: def
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
ASSERT_THAT_EXPECTED(DWARFOrErr, Succeeded());
DWARFYAML::Data Data;
ASSERT_THAT_ERROR(parseDWARFYAML(Yaml, Data), Succeeded());
ASSERT_TRUE(DWARFOrErr->GNUPubNames.hasValue());
DWARFYAML::PubSection GNUPubNames = DWARFOrErr->GNUPubNames.getValue();
ASSERT_TRUE(Data.GNUPubNames.hasValue());
DWARFYAML::PubSection GNUPubNames = Data.GNUPubNames.getValue();
ASSERT_EQ(GNUPubNames.Entries.size(), 2u);
EXPECT_EQ((uint32_t)GNUPubNames.Entries[0].DieOffset, 0x1234u);
@ -181,8 +173,8 @@ debug_gnu_pubtypes:
EXPECT_EQ((uint8_t)GNUPubNames.Entries[1].Descriptor, 0x34);
EXPECT_EQ(GNUPubNames.Entries[1].Name, "def");
ASSERT_TRUE(DWARFOrErr->GNUPubTypes.hasValue());
DWARFYAML::PubSection GNUPubTypes = DWARFOrErr->GNUPubTypes.getValue();
ASSERT_TRUE(Data.GNUPubTypes.hasValue());
DWARFYAML::PubSection GNUPubTypes = Data.GNUPubTypes.getValue();
ASSERT_EQ(GNUPubTypes.Entries.size(), 2u);
EXPECT_EQ((uint32_t)GNUPubTypes.Entries[0].DieOffset, 0x1234u);
@ -205,7 +197,7 @@ debug_gnu_pubnames:
- DieOffset: 0x1234
Name: abcd
)";
auto DWARFOrErr = parseDWARFYAML(Yaml);
EXPECT_THAT_ERROR(DWARFOrErr.takeError(),
DWARFYAML::Data Data;
EXPECT_THAT_ERROR(parseDWARFYAML(Yaml, Data),
FailedWithMessage("missing required key 'Descriptor'"));
}