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Add unit tests for preprocessor operators

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Jan 2023-12-26 14:55:34 +01:00
parent 44e501e8b6
commit b151c37dc0
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1 changed files with 126 additions and 0 deletions
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126
test/ParserTests/Parsing/Impl/DefinesStreamProxyTests.cpp
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@ -900,4 +900,130 @@ namespace test::parsing::impl::defines_stream_proxy
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use strinizing operator", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define testMacro(a) #a",
"testMacro(Hello)",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "\"Hello\"");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use strinizing operator inside sample code", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define testMacro(a) System.out.println(#a)",
"testMacro(Hello)",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "System.out.println(\"Hello\")");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use token-pasting operator with identifier", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define testMacro(a) Hello##a",
"testMacro(World)",
"testMacro(5)",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "HelloWorld");
ExpectLine(&proxy, 3, "Hello5");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use token-pasting operator with string", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define testMacro(a) \"Hello\"##a",
"testMacro(\"World\")",
"testMacro(\"5\")",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "\"HelloWorld\"");
ExpectLine(&proxy, 3, "\"Hello5\"");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Token-pasting operator ignores whitespace", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define glue(a, b) a ## b",
"glue(\"Hello\", \"World\")",
"testMacro(Hello, 5)",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "\"HelloWorld\"");
ExpectLine(&proxy, 3, "Hello5");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use token-pasting operator with string and stringization outside macro", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define s(t) #t",
"#define testMacro(a) \"Hello\" ## a",
"testMacro(s(World))",
"testMacro(s(5))",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "");
ExpectLine(&proxy, 3, "\"HelloWorld\"");
ExpectLine(&proxy, 4, "\"Hello5\"");
REQUIRE(proxy.Eof());
}
TEST_CASE("DefinesStreamProxy: Can use token-pasting operator with string and stringization inside macro", "[parsing][parsingstream]")
{
const std::vector<std::string> lines{
"#define s(t) #t",
"#define testMacro(a) \"Hello\" ## s(a)",
"testMacro(World)",
"testMacro(5)",
};
MockParserLineStream mockStream(lines);
DefinesStreamProxy proxy(&mockStream);
ExpectLine(&proxy, 1, "");
ExpectLine(&proxy, 2, "");
ExpectLine(&proxy, 3, "\"HelloWorld\"");
ExpectLine(&proxy, 4, "\"Hello5\"");
REQUIRE(proxy.Eof());
}
} // namespace test::parsing::impl::defines_stream_proxy