cppcheck/test/testlibrary.cpp

317 lines
12 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2015 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 "library.h"
#include "token.h"
#include "tokenlist.h"
#include "testsuite.h"
#include <tinyxml2.h>
class TestLibrary : public TestFixture {
public:
TestLibrary() : TestFixture("TestLibrary") { }
private:
void run() {
TEST_CASE(empty);
TEST_CASE(function);
TEST_CASE(function_arg);
TEST_CASE(function_arg_any);
TEST_CASE(function_arg_valid);
TEST_CASE(function_arg_minsize);
TEST_CASE(memory);
TEST_CASE(memory2); // define extra "free" allocation functions
TEST_CASE(resource);
TEST_CASE(podtype);
TEST_CASE(version);
}
void empty() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n<def/>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT(library.use.empty());
ASSERT(library.leakignore.empty());
ASSERT(library.argumentChecks.empty());
}
void function() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"foo\">\n"
" <noreturn>false</noreturn>\n"
" </function>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT(library.use.empty());
ASSERT(library.leakignore.empty());
ASSERT(library.argumentChecks.empty());
ASSERT(library.isnotnoreturn("foo"));
}
void function_arg() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"foo\">\n"
" <arg nr=\"1\"><not-uninit/></arg>\n"
" <arg nr=\"2\"><not-null/></arg>\n"
" <arg nr=\"3\"><formatstr/></arg>\n"
" <arg nr=\"4\"><strz/></arg>\n"
" <arg nr=\"5\"><not-bool/></arg>\n"
" </function>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT_EQUALS(true, library.argumentChecks["foo"][1].notuninit);
ASSERT_EQUALS(true, library.argumentChecks["foo"][2].notnull);
ASSERT_EQUALS(true, library.argumentChecks["foo"][3].formatstr);
ASSERT_EQUALS(true, library.argumentChecks["foo"][4].strz);
ASSERT_EQUALS(true, library.argumentChecks["foo"][5].notbool);
}
void function_arg_any() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
"<function name=\"foo\">\n"
" <arg nr=\"any\"><not-uninit/></arg>\n"
"</function>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT_EQUALS(true, library.argumentChecks["foo"][-1].notuninit);
}
void function_arg_valid() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"foo\">\n"
" <arg nr=\"1\"><valid>1:</valid></arg>\n"
" <arg nr=\"2\"><valid>-7:0</valid></arg>\n"
" <arg nr=\"3\"><valid>1:5,8</valid></arg>\n"
" <arg nr=\"4\"><valid>-1,5</valid></arg>\n"
" <arg nr=\"5\"><valid>:1,5</valid></arg>\n"
" </function>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
// 1-
ASSERT_EQUALS(false, library.isargvalid("foo", 1, -10));
ASSERT_EQUALS(false, library.isargvalid("foo", 1, 0));
ASSERT_EQUALS(true, library.isargvalid("foo", 1, 1));
ASSERT_EQUALS(true, library.isargvalid("foo", 1, 10));
// -7-0
ASSERT_EQUALS(false, library.isargvalid("foo", 2, -10));
ASSERT_EQUALS(true, library.isargvalid("foo", 2, -7));
ASSERT_EQUALS(true, library.isargvalid("foo", 2, -3));
ASSERT_EQUALS(true, library.isargvalid("foo", 2, 0));
ASSERT_EQUALS(false, library.isargvalid("foo", 2, 1));
// 1-5,8
ASSERT_EQUALS(false, library.isargvalid("foo", 3, 0));
ASSERT_EQUALS(true, library.isargvalid("foo", 3, 1));
ASSERT_EQUALS(true, library.isargvalid("foo", 3, 3));
ASSERT_EQUALS(true, library.isargvalid("foo", 3, 5));
ASSERT_EQUALS(false, library.isargvalid("foo", 3, 6));
ASSERT_EQUALS(false, library.isargvalid("foo", 3, 7));
ASSERT_EQUALS(true, library.isargvalid("foo", 3, 8));
ASSERT_EQUALS(false, library.isargvalid("foo", 3, 9));
// -1,5
ASSERT_EQUALS(false, library.isargvalid("foo", 4, -10));
ASSERT_EQUALS(true, library.isargvalid("foo", 4, -1));
// :1,5
ASSERT_EQUALS(true, library.isargvalid("foo", 5, -10));
ASSERT_EQUALS(true, library.isargvalid("foo", 5, 1));
ASSERT_EQUALS(false, library.isargvalid("foo", 5, 2));
}
void function_arg_minsize() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <function name=\"foo\">\n"
" <arg nr=\"1\"><minsize type=\"strlen\" arg=\"2\"/></arg>\n"
" <arg nr=\"2\"><minsize type=\"argvalue\" arg=\"3\"/></arg>\n"
" </function>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
// arg1: type=strlen arg2
const std::list<Library::ArgumentChecks::MinSize> *minsizes = library.argminsizes("foo",1);
ASSERT_EQUALS(true, minsizes != nullptr);
ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U);
if (minsizes && minsizes->size() == 1U) {
const Library::ArgumentChecks::MinSize &m = minsizes->front();
ASSERT_EQUALS(Library::ArgumentChecks::MinSize::STRLEN, m.type);
ASSERT_EQUALS(2, m.arg);
}
// arg2: type=argvalue arg3
minsizes = library.argminsizes("foo", 2);
ASSERT_EQUALS(true, minsizes != nullptr);
ASSERT_EQUALS(1U, minsizes ? minsizes->size() : 1U);
if (minsizes && minsizes->size() == 1U) {
const Library::ArgumentChecks::MinSize &m = minsizes->front();
ASSERT_EQUALS(Library::ArgumentChecks::MinSize::ARGVALUE, m.type);
ASSERT_EQUALS(3, m.arg);
}
}
void memory() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <memory>\n"
" <alloc>CreateX</alloc>\n"
" <dealloc>DeleteX</dealloc>\n"
" </memory>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT(library.use.empty());
ASSERT(library.leakignore.empty());
ASSERT(library.argumentChecks.empty());
ASSERT(Library::ismemory(library.alloc("CreateX")));
ASSERT_EQUALS(library.alloc("CreateX"), library.dealloc("DeleteX"));
}
void memory2() const {
const char xmldata1[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <memory>\n"
" <alloc>malloc</alloc>\n"
" <dealloc>free</dealloc>\n"
" </memory>\n"
"</def>";
const char xmldata2[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <memory>\n"
" <alloc>foo</alloc>\n"
" <dealloc>free</dealloc>\n"
" </memory>\n"
"</def>";
Library library;
library.loadxmldata(xmldata1, sizeof(xmldata1));
library.loadxmldata(xmldata2, sizeof(xmldata2));
ASSERT_EQUALS(library.dealloc("free"), library.alloc("malloc"));
ASSERT_EQUALS(library.dealloc("free"), library.alloc("foo"));
}
void resource() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <resource>\n"
" <alloc>CreateX</alloc>\n"
" <dealloc>DeleteX</dealloc>\n"
" </resource>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
ASSERT(library.use.empty());
ASSERT(library.leakignore.empty());
ASSERT(library.argumentChecks.empty());
ASSERT(Library::isresource(library.alloc("CreateX")));
ASSERT_EQUALS(library.alloc("CreateX"), library.dealloc("DeleteX"));
}
void podtype() const {
const char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<def>\n"
" <podtype name=\"s16\" sizeof=\"2\"/>\n"
"</def>";
tinyxml2::XMLDocument doc;
doc.Parse(xmldata, sizeof(xmldata));
Library library;
library.load(doc);
const struct Library::PodType *type = library.podtype("s16");
ASSERT_EQUALS(2U, type ? type->size : 0U);
ASSERT_EQUALS(0, type ? type->sign : '?');
}
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)