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Diffstat (limited to 'gtest-1.6.0/samples/sample3-inl.h')
-rw-r--r-- | gtest-1.6.0/samples/sample3-inl.h | 346 |
1 files changed, 173 insertions, 173 deletions
diff --git a/gtest-1.6.0/samples/sample3-inl.h b/gtest-1.6.0/samples/sample3-inl.h index 46369a0..e2f7b41 100644 --- a/gtest-1.6.0/samples/sample3-inl.h +++ b/gtest-1.6.0/samples/sample3-inl.h @@ -1,173 +1,173 @@ -// Copyright 2005, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// A sample program demonstrating using Google C++ testing framework. -// -// Author: wan@google.com (Zhanyong Wan) - -#ifndef GTEST_SAMPLES_SAMPLE3_INL_H_ -#define GTEST_SAMPLES_SAMPLE3_INL_H_ - -#include <stddef.h> - - -// Queue is a simple queue implemented as a singled-linked list. -// -// The element type must support copy constructor. -template <typename E> // E is the element type -class Queue; - -// QueueNode is a node in a Queue, which consists of an element of -// type E and a pointer to the next node. -template <typename E> // E is the element type -class QueueNode { - friend class Queue<E>; - - public: - // Gets the element in this node. - const E& element() const { return element_; } - - // Gets the next node in the queue. - QueueNode* next() { return next_; } - const QueueNode* next() const { return next_; } - - private: - // Creates a node with a given element value. The next pointer is - // set to NULL. - QueueNode(const E& an_element) : element_(an_element), next_(NULL) {} - - // We disable the default assignment operator and copy c'tor. - const QueueNode& operator = (const QueueNode&); - QueueNode(const QueueNode&); - - E element_; - QueueNode* next_; -}; - -template <typename E> // E is the element type. -class Queue { -public: - - // Creates an empty queue. - Queue() : head_(NULL), last_(NULL), size_(0) {} - - // D'tor. Clears the queue. - ~Queue() { Clear(); } - - // Clears the queue. - void Clear() { - if (size_ > 0) { - // 1. Deletes every node. - QueueNode<E>* node = head_; - QueueNode<E>* next = node->next(); - for (; ;) { - delete node; - node = next; - if (node == NULL) break; - next = node->next(); - } - - // 2. Resets the member variables. - head_ = last_ = NULL; - size_ = 0; - } - } - - // Gets the number of elements. - size_t Size() const { return size_; } - - // Gets the first element of the queue, or NULL if the queue is empty. - QueueNode<E>* Head() { return head_; } - const QueueNode<E>* Head() const { return head_; } - - // Gets the last element of the queue, or NULL if the queue is empty. - QueueNode<E>* Last() { return last_; } - const QueueNode<E>* Last() const { return last_; } - - // Adds an element to the end of the queue. A copy of the element is - // created using the copy constructor, and then stored in the queue. - // Changes made to the element in the queue doesn't affect the source - // object, and vice versa. - void Enqueue(const E& element) { - QueueNode<E>* new_node = new QueueNode<E>(element); - - if (size_ == 0) { - head_ = last_ = new_node; - size_ = 1; - } else { - last_->next_ = new_node; - last_ = new_node; - size_++; - } - } - - // Removes the head of the queue and returns it. Returns NULL if - // the queue is empty. - E* Dequeue() { - if (size_ == 0) { - return NULL; - } - - const QueueNode<E>* const old_head = head_; - head_ = head_->next_; - size_--; - if (size_ == 0) { - last_ = NULL; - } - - E* element = new E(old_head->element()); - delete old_head; - - return element; - } - - // Applies a function/functor on each element of the queue, and - // returns the result in a new queue. The original queue is not - // affected. - template <typename F> - Queue* Map(F function) const { - Queue* new_queue = new Queue(); - for (const QueueNode<E>* node = head_; node != NULL; node = node->next_) { - new_queue->Enqueue(function(node->element())); - } - - return new_queue; - } - - private: - QueueNode<E>* head_; // The first node of the queue. - QueueNode<E>* last_; // The last node of the queue. - size_t size_; // The number of elements in the queue. - - // We disallow copying a queue. - Queue(const Queue&); - const Queue& operator = (const Queue&); - }; - -#endif // GTEST_SAMPLES_SAMPLE3_INL_H_ +// Copyright 2005, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// A sample program demonstrating using Google C++ testing framework.
+//
+// Author: wan@google.com (Zhanyong Wan)
+
+#ifndef GTEST_SAMPLES_SAMPLE3_INL_H_
+#define GTEST_SAMPLES_SAMPLE3_INL_H_
+
+#include <stddef.h>
+
+
+// Queue is a simple queue implemented as a singled-linked list.
+//
+// The element type must support copy constructor.
+template <typename E> // E is the element type
+class Queue;
+
+// QueueNode is a node in a Queue, which consists of an element of
+// type E and a pointer to the next node.
+template <typename E> // E is the element type
+class QueueNode {
+ friend class Queue<E>;
+
+ public:
+ // Gets the element in this node.
+ const E& element() const { return element_; }
+
+ // Gets the next node in the queue.
+ QueueNode* next() { return next_; }
+ const QueueNode* next() const { return next_; }
+
+ private:
+ // Creates a node with a given element value. The next pointer is
+ // set to NULL.
+ QueueNode(const E& an_element) : element_(an_element), next_(NULL) {}
+
+ // We disable the default assignment operator and copy c'tor.
+ const QueueNode& operator = (const QueueNode&);
+ QueueNode(const QueueNode&);
+
+ E element_;
+ QueueNode* next_;
+};
+
+template <typename E> // E is the element type.
+class Queue {
+public:
+
+ // Creates an empty queue.
+ Queue() : head_(NULL), last_(NULL), size_(0) {}
+
+ // D'tor. Clears the queue.
+ ~Queue() { Clear(); }
+
+ // Clears the queue.
+ void Clear() {
+ if (size_ > 0) {
+ // 1. Deletes every node.
+ QueueNode<E>* node = head_;
+ QueueNode<E>* next = node->next();
+ for (; ;) {
+ delete node;
+ node = next;
+ if (node == NULL) break;
+ next = node->next();
+ }
+
+ // 2. Resets the member variables.
+ head_ = last_ = NULL;
+ size_ = 0;
+ }
+ }
+
+ // Gets the number of elements.
+ size_t Size() const { return size_; }
+
+ // Gets the first element of the queue, or NULL if the queue is empty.
+ QueueNode<E>* Head() { return head_; }
+ const QueueNode<E>* Head() const { return head_; }
+
+ // Gets the last element of the queue, or NULL if the queue is empty.
+ QueueNode<E>* Last() { return last_; }
+ const QueueNode<E>* Last() const { return last_; }
+
+ // Adds an element to the end of the queue. A copy of the element is
+ // created using the copy constructor, and then stored in the queue.
+ // Changes made to the element in the queue doesn't affect the source
+ // object, and vice versa.
+ void Enqueue(const E& element) {
+ QueueNode<E>* new_node = new QueueNode<E>(element);
+
+ if (size_ == 0) {
+ head_ = last_ = new_node;
+ size_ = 1;
+ } else {
+ last_->next_ = new_node;
+ last_ = new_node;
+ size_++;
+ }
+ }
+
+ // Removes the head of the queue and returns it. Returns NULL if
+ // the queue is empty.
+ E* Dequeue() {
+ if (size_ == 0) {
+ return NULL;
+ }
+
+ const QueueNode<E>* const old_head = head_;
+ head_ = head_->next_;
+ size_--;
+ if (size_ == 0) {
+ last_ = NULL;
+ }
+
+ E* element = new E(old_head->element());
+ delete old_head;
+
+ return element;
+ }
+
+ // Applies a function/functor on each element of the queue, and
+ // returns the result in a new queue. The original queue is not
+ // affected.
+ template <typename F>
+ Queue* Map(F function) const {
+ Queue* new_queue = new Queue();
+ for (const QueueNode<E>* node = head_; node != NULL; node = node->next_) {
+ new_queue->Enqueue(function(node->element()));
+ }
+
+ return new_queue;
+ }
+
+ private:
+ QueueNode<E>* head_; // The first node of the queue.
+ QueueNode<E>* last_; // The last node of the queue.
+ size_t size_; // The number of elements in the queue.
+
+ // We disallow copying a queue.
+ Queue(const Queue&);
+ const Queue& operator = (const Queue&);
+ };
+
+#endif // GTEST_SAMPLES_SAMPLE3_INL_H_
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