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DrgnParserTest: Replace testContains with testGlob

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It now uses '*' as a wildcard character for more powerful matching of
type graphs.
This commit is contained in:
Alastair Robertson 2023-11-02 08:54:56 -07:00 committed by Alastair Robertson
parent 315a5cde6c
commit 81ae075a68
2 changed files with 91 additions and 24 deletions
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101
test/test_drgn_parser.cpp
View File

@ -13,7 +13,6 @@
#include "test_drgn_parser.h"
using namespace type_graph;
using ::testing::HasSubstr;
// TODO setup google logging for tests so it doesn't appear on terminal by
// default
@ -83,13 +82,75 @@ void DrgnParserTest::test(std::string_view function,
test(function, expected, options);
}
void DrgnParserTest::testContains(std::string_view function,
std::string_view expected,
DrgnParserOptions options) {
std::pair<size_t, size_t> globMatch(std::string_view pattern,
std::string_view str) {
size_t i = 0;
size_t j = 0;
size_t prevWildcardIdx = -1;
size_t backtrackIdx = -1;
size_t patternLineStart = 0;
size_t strLineStart = 0;
while (i < str.size()) {
if (i + 1 < str.size() && str[i] == '\n')
strLineStart = i + 1;
if (j + 1 < pattern.size() && pattern[j] == '\n')
patternLineStart = j + 1;
if (j < pattern.size() && str[i] == pattern[j]) {
// Exact character match
i++;
j++;
} else if (j < pattern.size() && pattern[j] == '*') {
// Wildcard
backtrackIdx = i + 1;
prevWildcardIdx = j++;
} else if (prevWildcardIdx != static_cast<size_t>(-1)) {
// No match, backtrack to previous wildcard
i = ++backtrackIdx;
j = prevWildcardIdx + 1;
} else {
// No match
return {patternLineStart, strLineStart};
}
}
while (j < pattern.size() && pattern[j] == '*') {
j++;
}
// If the pattern has been fully consumed then it's a match
return {j, i};
}
std::string prefixLines(std::string_view str,
std::string_view prefix,
size_t maxLen) {
std::string res;
res += prefix;
for (size_t i = 0; i < maxLen && i < str.size(); i++) {
char c = str[i];
res += c;
if (c == '\n') {
res += prefix;
}
}
if (str.size() > maxLen)
res += "...";
return res;
}
void DrgnParserTest::testGlob(std::string_view function,
std::string_view expected,
DrgnParserOptions options) {
auto actual = run(function, options);
expected.remove_prefix(1); // Remove initial '\n'
EXPECT_THAT(actual, HasSubstr(expected));
auto [expectedIdx, actualIdx] = globMatch(expected, actual);
if (expected.size() != expectedIdx) {
ADD_FAILURE() << prefixLines(expected.substr(expectedIdx), "-", 50) << "\n"
<< prefixLines(actual.substr(actualIdx), "+", 50);
}
}
void DrgnParserTest::testMultiCompiler(
@ -104,15 +165,15 @@ void DrgnParserTest::testMultiCompiler(
#endif
}
void DrgnParserTest::testMultiCompilerContains(
void DrgnParserTest::testMultiCompilerGlob(
std::string_view function,
[[maybe_unused]] std::string_view expectedClang,
[[maybe_unused]] std::string_view expectedGcc,
DrgnParserOptions options) {
#if defined(__clang__)
testContains(function, expectedClang, options);
testGlob(function, expectedClang, options);
#else
testContains(function, expectedGcc, options);
testGlob(function, expectedGcc, options);
#endif
}
@ -495,56 +556,62 @@ TEST_F(DrgnParserTest, ClassTemplateValue) {
}
TEST_F(DrgnParserTest, TemplateEnumValue) {
testMultiCompilerContains("oid_test_case_enums_params_scoped_enum_val",
R"(
testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val",
R"(
[1] Pointer
[0] Class: MyClass<ns_enums_params::MyNS::ScopedEnum::One> (size: 4)
Param
Value: ns_enums_params::MyNS::ScopedEnum::One
Enum: ScopedEnum (size: 4)
*
)",
R"(
R"(
[1] Pointer
[0] Class: MyClass<(ns_enums_params::MyNS::ScopedEnum)1> (size: 4)
Param
Value: ns_enums_params::MyNS::ScopedEnum::One
Enum: ScopedEnum (size: 4)
*
)");
}
TEST_F(DrgnParserTest, TemplateEnumValueGaps) {
testMultiCompilerContains("oid_test_case_enums_params_scoped_enum_val_gaps",
R"(
testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val_gaps",
R"(
[1] Pointer
[0] Class: ClassGaps<ns_enums_params::MyNS::EnumWithGaps::Twenty> (size: 4)
Param
Value: ns_enums_params::MyNS::EnumWithGaps::Twenty
Enum: EnumWithGaps (size: 4)
*
)",
R"(
R"(
[1] Pointer
[0] Class: ClassGaps<(ns_enums_params::MyNS::EnumWithGaps)20> (size: 4)
Param
Value: ns_enums_params::MyNS::EnumWithGaps::Twenty
Enum: EnumWithGaps (size: 4)
*
)");
}
TEST_F(DrgnParserTest, TemplateEnumValueNegative) {
testMultiCompilerContains(
"oid_test_case_enums_params_scoped_enum_val_negative", R"(
testMultiCompilerGlob("oid_test_case_enums_params_scoped_enum_val_negative",
R"(
[1] Pointer
[0] Class: ClassGaps<ns_enums_params::MyNS::EnumWithGaps::MinusTwo> (size: 4)
Param
Value: ns_enums_params::MyNS::EnumWithGaps::MinusTwo
Enum: EnumWithGaps (size: 4)
*
)",
R"(
R"(
[1] Pointer
[0] Class: ClassGaps<(ns_enums_params::MyNS::EnumWithGaps)-2> (size: 4)
Param
Value: ns_enums_params::MyNS::EnumWithGaps::MinusTwo
Enum: EnumWithGaps (size: 4)
*
)");
}

14
test/test_drgn_parser.h
View File

@ -34,17 +34,17 @@ class DrgnParserTest : public ::testing::Test {
std::string_view expected,
type_graph::DrgnParserOptions options);
void test(std::string_view function, std::string_view expected);
void testContains(std::string_view function,
std::string_view expected,
type_graph::DrgnParserOptions options = {});
void testGlob(std::string_view function,
std::string_view expected,
type_graph::DrgnParserOptions options = {});
void testMultiCompiler(std::string_view function,
std::string_view expectedClang,
std::string_view expectedGcc,
type_graph::DrgnParserOptions options = {});
void testMultiCompilerContains(std::string_view function,
std::string_view expectedClang,
std::string_view expectedGcc,
type_graph::DrgnParserOptions options = {});
void testMultiCompilerGlob(std::string_view function,
std::string_view expectedClang,
std::string_view expectedGcc,
type_graph::DrgnParserOptions options = {});
static SymbolService* symbols_;
};