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Merge pull request #4561 from ethereum/scanner-tests

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Add comprehensive tests for the scanner
This commit is contained in:
Alex Beregszaszi 2018-07-25 17:02:40 +01:00 committed by GitHub
commit 5a1b6856b4
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1 changed files with 18 additions and 1 deletions
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19
test/libsolidity/SolidityScanner.cpp
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@ -64,6 +64,14 @@ BOOST_AUTO_TEST_CASE(string_escapes)
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "aa"); BOOST_CHECK_EQUAL(scanner.currentLiteral(), "aa");
} }
BOOST_AUTO_TEST_CASE(string_escapes_all)
{
Scanner scanner(CharStream(" { \"a\\x61\\b\\f\\n\\r\\t\\v\""));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LBrace);
BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
BOOST_CHECK_EQUAL(scanner.currentLiteral(), "aa\b\f\n\r\t\v");
}
BOOST_AUTO_TEST_CASE(string_escapes_with_zero) BOOST_AUTO_TEST_CASE(string_escapes_with_zero)
{ {
Scanner scanner(CharStream(" { \"a\\x61\\x00abc\"")); Scanner scanner(CharStream(" { \"a\\x61\\x00abc\""));
@ -199,7 +207,7 @@ BOOST_AUTO_TEST_CASE(locations)
BOOST_AUTO_TEST_CASE(ambiguities) BOOST_AUTO_TEST_CASE(ambiguities)
{ {
// test scanning of some operators which need look-ahead // test scanning of some operators which need look-ahead
Scanner scanner(CharStream("<=""<""+ +=a++ =>""<<")); Scanner scanner(CharStream("<=" "<" "+ +=a++ =>" "<<" ">>" " >>=" ">>>" ">>>=" " >>>>>=><<="));
BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LessThanOrEqual); BOOST_CHECK_EQUAL(scanner.currentToken(), Token::LessThanOrEqual);
BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan); BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan);
BOOST_CHECK_EQUAL(scanner.next(), Token::Add); BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
@ -208,6 +216,15 @@ BOOST_AUTO_TEST_CASE(ambiguities)
BOOST_CHECK_EQUAL(scanner.next(), Token::Inc); BOOST_CHECK_EQUAL(scanner.next(), Token::Inc);
BOOST_CHECK_EQUAL(scanner.next(), Token::Arrow); BOOST_CHECK_EQUAL(scanner.next(), Token::Arrow);
BOOST_CHECK_EQUAL(scanner.next(), Token::SHL); BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
BOOST_CHECK_EQUAL(scanner.next(), Token::SAR);
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignSar);
BOOST_CHECK_EQUAL(scanner.next(), Token::SHR);
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignShr);
// the last "monster" token combination
BOOST_CHECK_EQUAL(scanner.next(), Token::SHR);
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignSar);
BOOST_CHECK_EQUAL(scanner.next(), Token::GreaterThan);
BOOST_CHECK_EQUAL(scanner.next(), Token::AssignShl);
} }
BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin) BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin)