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