cppcheck/test/testsymboldatabase.cpp

319 lines
11 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testsuite.h"
#include "testutils.h"
#include "symboldatabase.h"
class TestSymbolDatabase: public TestFixture
{
public:
TestSymbolDatabase()
:TestFixture("TestSymbolDatabase")
,si(NULL, NULL, NULL)
,vartok(NULL)
,typetok(NULL)
{}
private:
const Scope si;
const Token* vartok;
const Token* typetok;
const Token* t;
bool found;
void reset()
{
vartok = NULL;
typetok = NULL;
t = NULL;
found = false;
}
void run()
{
TEST_CASE(test_isVariableDeclarationCanHandleNull);
TEST_CASE(test_isVariableDeclarationIdentifiesSimpleDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesStdDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedStdDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesManyScopes);
TEST_CASE(test_isVariableDeclarationIdentifiesPointers);
TEST_CASE(test_isVariableDeclarationDoesNotIdentifyConstness);
TEST_CASE(test_isVariableDeclarationIdentifiesFirstOfManyVariables);
TEST_CASE(test_isVariableDeclarationIdentifiesScopedPointerDeclaration);
TEST_CASE(test_isVariableDeclarationIdentifiesDeclarationWithIndirection);
TEST_CASE(test_isVariableDeclarationIdentifiesDeclarationWithMultipleIndirection);
TEST_CASE(test_isVariableDeclarationIdentifiesArray);
TEST_CASE(test_isVariableDeclarationIdentifiesOfArrayPointers);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedPointerVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedVariable);
TEST_CASE(isVariableDeclarationIdentifiesTemplatedVariableIterator);
TEST_CASE(isVariableDeclarationIdentifiesNestedTemplateVariable);
TEST_CASE(isVariableDeclarationDoesNotIdentifyTemplateClass);
TEST_CASE(canFindMatchingBracketsNeedsOpen);
TEST_CASE(canFindMatchingBracketsInnerPair);
TEST_CASE(canFindMatchingBracketsOuterPair);
TEST_CASE(canFindMatchingBracketsWithTooManyClosing);
TEST_CASE(canFindMatchingBracketsWithTooManyOpening);
}
void test_isVariableDeclarationCanHandleNull()
{
reset();
bool result = si.isVariableDeclaration(NULL, vartok, typetok);
ASSERT_EQUALS(false, result);
ASSERT(NULL == vartok);
ASSERT(NULL == typetok);
}
void test_isVariableDeclarationIdentifiesSimpleDeclaration()
{
reset();
givenACodeSampleToTokenize simpleDeclaration("int x;");
bool result = si.isVariableDeclaration(simpleDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationIdentifiesScopedDeclaration()
{
reset();
givenACodeSampleToTokenize ScopedDeclaration("::int x;");
bool result = si.isVariableDeclaration(ScopedDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationIdentifiesStdDeclaration()
{
reset();
givenACodeSampleToTokenize StdDeclaration("std::string x;");
bool result = si.isVariableDeclaration(StdDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("string", typetok->str());
}
void test_isVariableDeclarationIdentifiesScopedStdDeclaration()
{
reset();
givenACodeSampleToTokenize StdDeclaration("::std::string x;");
bool result = si.isVariableDeclaration(StdDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("string", typetok->str());
}
void test_isVariableDeclarationIdentifiesManyScopes()
{
reset();
givenACodeSampleToTokenize manyScopes("AA::BB::CC::DD::EE x;");
bool result = si.isVariableDeclaration(manyScopes.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("x", vartok->str());
ASSERT_EQUALS("EE", typetok->str());
}
void test_isVariableDeclarationIdentifiesPointers()
{
reset();
givenACodeSampleToTokenize pointer("int* p;");
bool result = si.isVariableDeclaration(pointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationDoesNotIdentifyConstness()
{
reset();
givenACodeSampleToTokenize constness("const int* cp;");
bool result = si.isVariableDeclaration(constness.tokens(), vartok, typetok);
ASSERT_EQUALS(false, result);
ASSERT(NULL == vartok);
ASSERT(NULL == typetok);
}
void test_isVariableDeclarationIdentifiesFirstOfManyVariables()
{
reset();
givenACodeSampleToTokenize multipleDeclaration("int first, second;");
bool result = si.isVariableDeclaration(multipleDeclaration.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("first", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationIdentifiesScopedPointerDeclaration()
{
reset();
givenACodeSampleToTokenize manyScopes("AA::BB::CC::DD::EE* p;");
bool result = si.isVariableDeclaration(manyScopes.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("EE", typetok->str());
}
void test_isVariableDeclarationIdentifiesDeclarationWithIndirection()
{
reset();
givenACodeSampleToTokenize pointerToPointer("int** pp;");
bool result = si.isVariableDeclaration(pointerToPointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("pp", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationIdentifiesDeclarationWithMultipleIndirection()
{
reset();
givenACodeSampleToTokenize pointerToPointer("int***** p;");
bool result = si.isVariableDeclaration(pointerToPointer.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("p", vartok->str());
ASSERT_EQUALS("int", typetok->str());
}
void test_isVariableDeclarationIdentifiesArray()
{
reset();
givenACodeSampleToTokenize array("::std::string v[3];");
bool result = si.isVariableDeclaration(array.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("v", vartok->str());
ASSERT_EQUALS("string", typetok->str());
}
void test_isVariableDeclarationIdentifiesOfArrayPointers()
{
reset();
givenACodeSampleToTokenize array("A *a[5];");
bool result = si.isVariableDeclaration(array.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("a", vartok->str());
ASSERT_EQUALS("A", typetok->str());
}
void isVariableDeclarationIdentifiesTemplatedPointerVariable()
{
reset();
givenACodeSampleToTokenize var("std::set<char>* chars;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("chars", vartok->str());
ASSERT_EQUALS("set", typetok->str());
}
void isVariableDeclarationIdentifiesTemplatedVariable()
{
reset();
givenACodeSampleToTokenize var("std::vector<int> ints;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("ints", vartok->str());
ASSERT_EQUALS("vector", typetok->str());
}
void isVariableDeclarationIdentifiesTemplatedVariableIterator()
{
reset();
givenACodeSampleToTokenize var("std::list<int>::const_iterator floats;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("floats", vartok->str());
ASSERT_EQUALS("const_iterator", typetok->str());
}
void isVariableDeclarationIdentifiesNestedTemplateVariable()
{
reset();
givenACodeSampleToTokenize var("std::deque<std::set<int> > intsets;");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(true, result);
ASSERT_EQUALS("intsets", vartok->str());
ASSERT_EQUALS("deque", typetok->str());
}
void isVariableDeclarationDoesNotIdentifyTemplateClass()
{
reset();
givenACodeSampleToTokenize var("template <class T> class SomeClass{};");
bool result = si.isVariableDeclaration(var.tokens(), vartok, typetok);
ASSERT_EQUALS(false, result);
}
void canFindMatchingBracketsNeedsOpen()
{
reset();
givenACodeSampleToTokenize var("std::deque<std::set<int> > intsets;");
found = si.findClosingBracket(var.tokens(), t);
ASSERT(! found);
ASSERT(! t);
}
void canFindMatchingBracketsInnerPair()
{
reset();
givenACodeSampleToTokenize var("std::deque<std::set<int> > intsets;");
found = si.findClosingBracket(var.tokens()->tokAt(7), t);
ASSERT(found);
ASSERT_EQUALS(">", t->str());
ASSERT_EQUALS(var.tokens()->strAt(9), t->str());
}
void canFindMatchingBracketsOuterPair()
{
reset();
givenACodeSampleToTokenize var("std::deque<std::set<int> > intsets;");
found = si.findClosingBracket(var.tokens()->tokAt(3), t);
ASSERT(found);
ASSERT_EQUALS(">", t->str());
ASSERT_EQUALS(var.tokens()->strAt(10), t->str());
}
void canFindMatchingBracketsWithTooManyClosing()
{
reset();
givenACodeSampleToTokenize var("X< 1>2 > x1;\n");
found = si.findClosingBracket(var.tokens()->tokAt(1), t);
ASSERT(found);
ASSERT_EQUALS(">", t->str());
ASSERT_EQUALS(var.tokens()->strAt(3), t->str());
}
void canFindMatchingBracketsWithTooManyOpening()
{
reset();
givenACodeSampleToTokenize var("X < (2 < 1) > x1;\n");
found = si.findClosingBracket(var.tokens()->tokAt(1), t);
ASSERT(!found);
}
};
REGISTER_TEST(TestSymbolDatabase)