boost/contract
2
0
Fork 0
mirror of https://github.com/boostorg/contract.git synced 2026-02-26 16:42:19 +00:00
Code Issues Projects Releases Wiki Activity

finished example section. recompiled all tests and examples.

Browse Source
This commit is contained in:
Lorenzo Caminiti
2016-05-12 08:22:34 -07:00
parent 0c8a75df83
commit 1aa41fd14e
48 changed files with 1812 additions and 1593 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
example/cline90/stack.cpp
View File

@@ -1,28 +1,28 @@
//[cline90_stack
#include <boost/contract.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <cassert>
// NOTE: Incomplete contract assertions, addressing only `empty` and `full`.
template<typename T>
class stack
#define BASES private boost::contract::constructor_precondition<stack<T> >
: BASES
{
public:
friend class boost::contract::access;
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
// NOTE: Incomplete contract assertions, addressing only `empty` and `full`.
public:
explicit stack(int capacity) :
boost::contract::constructor_precondition<stack>([&] {
BOOST_CONTRACT_ASSERT(capacity >= 0);
}),
data_(new T[capacity]), capacity_(capacity), size_(0)
{
auto c = boost::contract::constructor(this)
boost::contract::guard c = boost::contract::constructor(this)
.postcondition([&] {
BOOST_CONTRACT_ASSERT(this->empty());
BOOST_CONTRACT_ASSERT(empty());
BOOST_CONTRACT_ASSERT(full() == (capacity == 0));
})
;
@@ -31,22 +31,22 @@ public:
}
virtual ~stack() {
auto c = boost::contract::destructor(this);
boost::contract::guard c = boost::contract::destructor(this);
delete[] data_;
}
bool empty() const {
auto c = boost::contract::public_function(this);
boost::contract::guard c = boost::contract::public_function(this);
return size_ == 0;
}
bool full() const {
auto c = boost::contract::public_function(this);
boost::contract::guard c = boost::contract::public_function(this);
return size_ == capacity_;
}
void push(T const& value) {
auto c = boost::contract::public_function(this)
boost::contract::guard c = boost::contract::public_function(this)
.precondition([&] {
BOOST_CONTRACT_ASSERT(!full());
})
@@ -59,7 +59,7 @@ public:
}
T pop() {
auto c = boost::contract::public_function(this)
boost::contract::guard c = boost::contract::public_function(this)
.precondition([&] {
BOOST_CONTRACT_ASSERT(!empty());
})
@@ -80,8 +80,8 @@ private:
int main() {
stack<int> s(3);
s.push(123);
BOOST_TEST_EQ(s.pop(), 123);
return boost::report_errors();
assert(s.pop() == 123);
return 0;
}
//]