518 lines
21 KiB
C++
518 lines
21 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2015 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 "library.h"
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#include "token.h"
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#include "tokenlist.h"
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#include "testsuite.h"
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#include <tinyxml2.h>
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class TestLibrary : public TestFixture {
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public:
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TestLibrary() : TestFixture("TestLibrary") { }
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private:
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void run() {
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TEST_CASE(empty);
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TEST_CASE(function);
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TEST_CASE(function_match_scope);
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TEST_CASE(function_match_args);
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TEST_CASE(function_match_var);
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TEST_CASE(function_arg);
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TEST_CASE(function_arg_any);
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TEST_CASE(function_arg_valid);
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TEST_CASE(function_arg_minsize);
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TEST_CASE(function_namespace);
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TEST_CASE(memory);
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TEST_CASE(memory2); // define extra "free" allocation functions
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TEST_CASE(resource);
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TEST_CASE(podtype);
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TEST_CASE(container);
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TEST_CASE(version);
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}
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void empty() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n<def/>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT(library.use.empty());
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ASSERT(library.leakignore.empty());
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ASSERT(library.argumentChecks.empty());
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}
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void function() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <noreturn>false</noreturn>\n"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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TokenList tokenList(nullptr);
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std::istringstream istr("foo();");
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tokenList.createTokens(istr);
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tokenList.front()->next()->astOperand1(tokenList.front());
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Library library;
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library.load(doc);
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ASSERT(library.use.empty());
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ASSERT(library.leakignore.empty());
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ASSERT(library.argumentChecks.empty());
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ASSERT(library.isnotnoreturn(tokenList.front()));
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}
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void function_match_scope() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"/>"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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{
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TokenList tokenList(nullptr);
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std::istringstream istr("fred.foo(123);"); // <- wrong scope, not library function
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tokenList.createTokens(istr);
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Library library;
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library.load(doc);
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ASSERT(library.isNotLibraryFunction(tokenList.front()->tokAt(2)));
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}
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{
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TokenList tokenList(nullptr);
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std::istringstream istr("Fred::foo(123);"); // <- wrong scope, not library function
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tokenList.createTokens(istr);
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Library library;
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library.load(doc);
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ASSERT(library.isNotLibraryFunction(tokenList.front()->tokAt(2)));
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}
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}
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void function_match_args() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"/>"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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TokenList tokenList(nullptr);
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std::istringstream istr("foo();"); // <- too few arguments, not library function
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tokenList.createTokens(istr);
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tokenList.front()->next()->astOperand1(tokenList.front());
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Library library;
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library.load(doc);
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ASSERT(library.isNotLibraryFunction(tokenList.front()));
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}
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void function_match_var() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"/>"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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TokenList tokenList(nullptr);
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std::istringstream istr("Fred foo(123);"); // <- Variable declaration, not library function
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tokenList.createTokens(istr);
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tokenList.front()->next()->astOperand1(tokenList.front());
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tokenList.front()->next()->varId(1);
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Library library;
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library.load(doc);
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ASSERT(library.isNotLibraryFunction(tokenList.front()->next()));
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}
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void function_arg() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"><not-uninit/></arg>\n"
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" <arg nr=\"2\"><not-null/></arg>\n"
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" <arg nr=\"3\"><formatstr/></arg>\n"
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" <arg nr=\"4\"><strz/></arg>\n"
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" <arg nr=\"5\"><not-bool/></arg>\n"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][1].notuninit);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][2].notnull);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][3].formatstr);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][4].strz);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][5].notbool);
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}
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void function_arg_any() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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"<function name=\"foo\">\n"
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" <arg nr=\"any\"><not-uninit/></arg>\n"
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"</function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT_EQUALS(true, library.argumentChecks["foo"][-1].notuninit);
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}
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void function_arg_valid() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"><valid>1:</valid></arg>\n"
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" <arg nr=\"2\"><valid>-7:0</valid></arg>\n"
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" <arg nr=\"3\"><valid>1:5,8</valid></arg>\n"
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" <arg nr=\"4\"><valid>-1,5</valid></arg>\n"
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" <arg nr=\"5\"><valid>:1,5</valid></arg>\n"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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TokenList tokenList(nullptr);
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std::istringstream istr("foo(a,b,c,d,e);");
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tokenList.createTokens(istr);
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tokenList.front()->next()->astOperand1(tokenList.front());
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// 1-
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 1, -10));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 1, 0));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 1, 1));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 1, 10));
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// -7-0
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 2, -10));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, -7));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, -3));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 2, 0));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 2, 1));
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// 1-5,8
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 0));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 1));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 3));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 5));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 6));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 7));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 3, 8));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 3, 9));
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// -1,5
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 4, -10));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 4, -1));
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// :1,5
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 5, -10));
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ASSERT_EQUALS(true, library.isargvalid(tokenList.front(), 5, 1));
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ASSERT_EQUALS(false, library.isargvalid(tokenList.front(), 5, 2));
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}
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void function_arg_minsize() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"foo\">\n"
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" <arg nr=\"1\"><minsize type=\"strlen\" arg=\"2\"/></arg>\n"
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" <arg nr=\"2\"><minsize type=\"argvalue\" arg=\"3\"/></arg>\n"
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" <arg nr=\"3\"/>\n"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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TokenList tokenList(nullptr);
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std::istringstream istr("foo(a,b,c);");
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tokenList.createTokens(istr);
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tokenList.front()->next()->astOperand1(tokenList.front());
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// arg1: type=strlen arg2
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const std::list<Library::ArgumentChecks::MinSize> *minsizes = library.argminsizes(tokenList.front(),1);
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ASSERT_EQUALS(true, minsizes != nullptr);
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ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U);
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if (minsizes && minsizes->size() == 1U) {
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const Library::ArgumentChecks::MinSize &m = minsizes->front();
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ASSERT_EQUALS(Library::ArgumentChecks::MinSize::STRLEN, m.type);
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ASSERT_EQUALS(2, m.arg);
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}
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// arg2: type=argvalue arg3
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minsizes = library.argminsizes(tokenList.front(), 2);
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ASSERT_EQUALS(true, minsizes != nullptr);
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ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U);
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if (minsizes && minsizes->size() == 1U) {
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const Library::ArgumentChecks::MinSize &m = minsizes->front();
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ASSERT_EQUALS(Library::ArgumentChecks::MinSize::ARGVALUE, m.type);
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ASSERT_EQUALS(3, m.arg);
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}
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}
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void function_namespace() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <function name=\"Foo::foo,bar\">\n"
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" <noreturn>false</noreturn>\n"
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" </function>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT(library.use.empty());
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ASSERT(library.leakignore.empty());
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ASSERT(library.argumentChecks.empty());
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{
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TokenList tokenList(nullptr);
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std::istringstream istr("Foo::foo();");
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tokenList.createTokens(istr);
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ASSERT(library.isnotnoreturn(tokenList.front()->tokAt(2)));
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}
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{
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TokenList tokenList(nullptr);
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std::istringstream istr("bar();");
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tokenList.createTokens(istr);
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ASSERT(library.isnotnoreturn(tokenList.front()));
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}
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}
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void memory() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <memory>\n"
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" <alloc>CreateX</alloc>\n"
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" <dealloc>DeleteX</dealloc>\n"
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" </memory>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT(library.use.empty());
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ASSERT(library.leakignore.empty());
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ASSERT(library.argumentChecks.empty());
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ASSERT(Library::ismemory(library.alloc("CreateX")));
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ASSERT_EQUALS(library.alloc("CreateX"), library.dealloc("DeleteX"));
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}
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void memory2() const {
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const char xmldata1[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <memory>\n"
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" <alloc>malloc</alloc>\n"
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" <dealloc>free</dealloc>\n"
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" </memory>\n"
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"</def>";
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const char xmldata2[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <memory>\n"
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" <alloc>foo</alloc>\n"
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" <dealloc>free</dealloc>\n"
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" </memory>\n"
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"</def>";
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Library library;
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library.loadxmldata(xmldata1, sizeof(xmldata1));
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library.loadxmldata(xmldata2, sizeof(xmldata2));
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ASSERT_EQUALS(library.dealloc("free"), library.alloc("malloc"));
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ASSERT_EQUALS(library.dealloc("free"), library.alloc("foo"));
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}
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void resource() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <resource>\n"
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" <alloc>CreateX</alloc>\n"
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" <dealloc>DeleteX</dealloc>\n"
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" </resource>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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ASSERT(library.use.empty());
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ASSERT(library.leakignore.empty());
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ASSERT(library.argumentChecks.empty());
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ASSERT(Library::isresource(library.alloc("CreateX")));
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ASSERT_EQUALS(library.alloc("CreateX"), library.dealloc("DeleteX"));
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}
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void podtype() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <podtype name=\"s16\" size=\"2\"/>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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const struct Library::PodType *type = library.podtype("s16");
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ASSERT_EQUALS(2U, type ? type->size : 0U);
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ASSERT_EQUALS((char)0, type ? type->sign : '?');
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}
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void container() const {
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const char xmldata[] = "<?xml version=\"1.0\"?>\n"
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"<def>\n"
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" <container id=\"A\" startPattern=\"std :: A <\" endPattern=\"> !!::\">\n"
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" <type templateParameter=\"1\"/>\n"
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" <size templateParameter=\"4\">\n"
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" <function name=\"resize\" action=\"resize\"/>\n"
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" <function name=\"clear\" action=\"clear\"/>\n"
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" <function name=\"size\" yields=\"size\"/>\n"
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" <function name=\"empty\" yields=\"empty\"/>\n"
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" <function name=\"push_back\" action=\"push\"/>\n"
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" <function name=\"pop_back\" action=\"pop\"/>\n"
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" </size>\n"
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" <access>\n"
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" <function name=\"at\" yields=\"at_index\"/>\n"
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" <function name=\"begin\" yields=\"start-iterator\"/>\n"
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" <function name=\"end\" yields=\"end-iterator\"/>\n"
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" <function name=\"data\" yields=\"buffer\"/>\n"
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" <function name=\"c_str\" yields=\"buffer-nt\"/>\n"
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" <function name=\"front\" yields=\"item\"/>\n"
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" <function name=\"find\" action=\"find\"/>\n"
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" </access>\n"
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" </container>\n"
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" <container id=\"B\" startPattern=\"std :: B <\" inherits=\"A\">\n"
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" <size templateParameter=\"3\"/>\n" // Inherits all but templateParameter
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" </container>\n"
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" <container id=\"C\">\n"
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" <type string=\"std-like\"/>\n"
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" <access indexOperator=\"array-like\"/>\n"
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" </container>\n"
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"</def>";
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tinyxml2::XMLDocument doc;
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doc.Parse(xmldata, sizeof(xmldata));
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Library library;
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library.load(doc);
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Library::Container& A = library.containers["A"];
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Library::Container& B = library.containers["B"];
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Library::Container& C = library.containers["C"];
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ASSERT_EQUALS(A.type_templateArgNo, 1);
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ASSERT_EQUALS(A.size_templateArgNo, 4);
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ASSERT_EQUALS(A.startPattern, "std :: A <");
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ASSERT_EQUALS(A.endPattern, "> !!::");
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ASSERT_EQUALS(A.stdStringLike, false);
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ASSERT_EQUALS(A.arrayLike_indexOp, false);
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ASSERT_EQUALS(Library::Container::SIZE, A.getYield("size"));
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ASSERT_EQUALS(Library::Container::EMPTY, A.getYield("empty"));
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ASSERT_EQUALS(Library::Container::AT_INDEX, A.getYield("at"));
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ASSERT_EQUALS(Library::Container::START_ITERATOR, A.getYield("begin"));
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ASSERT_EQUALS(Library::Container::END_ITERATOR, A.getYield("end"));
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ASSERT_EQUALS(Library::Container::BUFFER, A.getYield("data"));
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ASSERT_EQUALS(Library::Container::BUFFER_NT, A.getYield("c_str"));
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ASSERT_EQUALS(Library::Container::ITEM, A.getYield("front"));
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ASSERT_EQUALS(Library::Container::NO_YIELD, A.getYield("foo"));
|
|
ASSERT_EQUALS(Library::Container::RESIZE, A.getAction("resize"));
|
|
ASSERT_EQUALS(Library::Container::CLEAR, A.getAction("clear"));
|
|
ASSERT_EQUALS(Library::Container::PUSH, A.getAction("push_back"));
|
|
ASSERT_EQUALS(Library::Container::POP, A.getAction("pop_back"));
|
|
ASSERT_EQUALS(Library::Container::FIND, A.getAction("find"));
|
|
ASSERT_EQUALS(Library::Container::NO_ACTION, A.getAction("foo"));
|
|
|
|
ASSERT_EQUALS(B.type_templateArgNo, 1);
|
|
ASSERT_EQUALS(B.size_templateArgNo, 3);
|
|
ASSERT_EQUALS(B.startPattern, "std :: B <");
|
|
ASSERT_EQUALS(B.endPattern, "> !!::");
|
|
ASSERT_EQUALS(B.functions.size(), A.functions.size());
|
|
|
|
ASSERT(C.functions.empty());
|
|
ASSERT_EQUALS(C.type_templateArgNo, -1);
|
|
ASSERT_EQUALS(C.size_templateArgNo, -1);
|
|
ASSERT_EQUALS(C.stdStringLike, true);
|
|
ASSERT_EQUALS(C.arrayLike_indexOp, true);
|
|
}
|
|
|
|
void version() const {
|
|
{
|
|
const char xmldata [] = "<?xml version=\"1.0\"?>\n"
|
|
"<def>\n"
|
|
"</def>";
|
|
tinyxml2::XMLDocument doc;
|
|
doc.Parse(xmldata, sizeof(xmldata));
|
|
|
|
Library library;
|
|
Library::Error err = library.load(doc);
|
|
ASSERT_EQUALS(err.errorcode, Library::OK);
|
|
}
|
|
{
|
|
const char xmldata [] = "<?xml version=\"1.0\"?>\n"
|
|
"<def format=\"1\">\n"
|
|
"</def>";
|
|
tinyxml2::XMLDocument doc;
|
|
doc.Parse(xmldata, sizeof(xmldata));
|
|
|
|
Library library;
|
|
Library::Error err = library.load(doc);
|
|
ASSERT_EQUALS(err.errorcode, Library::OK);
|
|
}
|
|
{
|
|
const char xmldata [] = "<?xml version=\"1.0\"?>\n"
|
|
"<def format=\"42\">\n"
|
|
"</def>";
|
|
tinyxml2::XMLDocument doc;
|
|
doc.Parse(xmldata, sizeof(xmldata));
|
|
|
|
Library library;
|
|
Library::Error err = library.load(doc);
|
|
ASSERT_EQUALS(err.errorcode, Library::UNSUPPORTED_FORMAT);
|
|
}
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestLibrary)
|