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-rw-r--r--cpp/test/Freeze/cursor/Client.cpp389
1 files changed, 389 insertions, 0 deletions
diff --git a/cpp/test/Freeze/cursor/Client.cpp b/cpp/test/Freeze/cursor/Client.cpp
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+++ b/cpp/test/Freeze/cursor/Client.cpp
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+// **********************************************************************
+//
+// Copyright (c) 2001
+// MutableRealms, Inc.
+// Huntsville, AL, USA
+//
+// All Rights Reserved
+//
+// **********************************************************************
+
+#include <Freeze/Freeze.h>
+#include <Ice/BasicStream.h>
+#include <TestCommon.h>
+
+#include <algorithm>
+
+using namespace std;
+using namespace Ice;
+using namespace Freeze;
+
+class KeyCodec
+{
+public:
+
+ typedef char value_type;
+
+ static Freeze::Key
+ write(const char& key, const IceInternal::InstancePtr& instance)
+ {
+ IceInternal::BasicStream keyStream(instance);
+ keyStream.write(key);
+ return keyStream.b;
+ }
+
+ static void
+ read(char& key, const Freeze::Key& bytes, const IceInternal::InstancePtr& instance)
+ {
+ IceInternal::BasicStream valueStream(instance);
+ valueStream.b = bytes;
+ valueStream.i = valueStream.b.begin();
+ valueStream.read(key);
+ }
+};
+
+class ValueCodec
+{
+public:
+
+ typedef Ice::Int value_type;
+
+ static Freeze::Value
+ write(const Ice::Int& value, const IceInternal::InstancePtr& instance)
+ {
+ IceInternal::BasicStream valueStream(instance);
+ valueStream.write(value);
+ return valueStream.b;
+ }
+
+ static void
+ read(Ice::Int& value, const Freeze::Value& bytes, const IceInternal::InstancePtr& instance)
+ {
+ IceInternal::BasicStream valueStream(instance);
+ valueStream.b = bytes;
+ valueStream.i = valueStream.b.begin();
+ valueStream.read(value);
+ }
+};
+
+static void
+addValue(const DBPtr& db, char key, int value)
+{
+ IceInternal::InstancePtr instance = IceInternal::getInstance(db->getCommunicator());
+
+ Freeze::Key k;
+ Freeze::Value v;
+
+ k = KeyCodec::write(key, instance);
+ v = ValueCodec::write(value, instance);
+
+ db->put(k, v);
+}
+
+static char alphabetChars[] = "abcdefghijklmnopqrstuvwxyz";
+vector<char> alphabet(alphabetChars, alphabetChars + sizeof(alphabetChars)-1);
+
+static void
+populateDB(const DBPtr& db)
+{
+ for (vector<char>::const_iterator j = alphabet.begin() ; j != alphabet.end(); ++j)
+ {
+ addValue(db, *j, j-alphabet.begin());
+ }
+}
+
+static void
+readValue(const DBPtr& db, const Freeze::Key& k, const Freeze::Value& v, char& key, int& value)
+{
+ IceInternal::InstancePtr instance = IceInternal::getInstance(db->getCommunicator());
+
+ KeyCodec::read(key, k, instance);
+ ValueCodec::read(value, v, instance);
+}
+
+static int
+run(int argc, char* argv[], const DBEnvironmentPtr& dbEnv)
+{
+ DBPtr db = dbEnv->openDB("test");
+ IceInternal::InstancePtr instance = IceInternal::getInstance(db->getCommunicator());
+
+ //
+ // Populate the database with the alphabet
+ //
+ populateDB(db);
+
+ Freeze::Key k;
+ Freeze::Value v;
+
+ char key;
+ int value;
+
+ DBCursorPtr cursor, clone;
+ vector<char>::const_iterator j;
+
+ cout << "Testing populate... ";
+ cursor = db->getCursor();
+ j = alphabet.begin();
+ try
+ {
+ while(cursor->hasNext())
+ {
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == *j && value == j - alphabet.begin());
+ ++j;
+ }
+ }
+ catch(const DBNotFoundException&)
+ {
+ }
+ cursor->close();
+ cout << "ok" << endl;
+
+ cout << "Testing DB::getCursorForKey... ";
+ k = KeyCodec::write('n', instance);
+ j = find(alphabet.begin(), alphabet.end(), 'n');
+ cursor = db->getCursorForKey(k);
+ try
+ {
+
+ while(cursor->hasNext())
+ {
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == *j && value == j - alphabet.begin());
+ ++j;
+ }
+ }
+ catch(const DBNotFoundException&)
+ {
+ }
+ cursor->close();
+ cout << "ok" << endl;
+
+ cout << "Testing remove... ";
+ cursor = db->getCursor();
+ j = alphabet.begin();
+
+ try
+ {
+ cursor->remove();
+ test(false);
+ }
+ catch(const DBNotFoundException&)
+ {
+ // Ignore expected exception
+ }
+
+ try
+ {
+
+ while(cursor->hasNext())
+ {
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == *j && value == j - alphabet.begin());
+ cursor->remove();
+ ++j;
+ if (key == 'c')
+ break;
+ }
+ }
+ catch(const DBNotFoundException&)
+ {
+ }
+ cursor->close();
+
+ cursor = db->getCursor();
+ j = find(alphabet.begin(), alphabet.end(), 'd');
+ try
+ {
+ while(cursor->hasNext())
+ {
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == *j && value == j - alphabet.begin());
+ ++j;
+ }
+ }
+ catch(const DBNotFoundException&)
+ {
+ }
+ cursor->close();
+ cout << "ok" << endl;
+
+ //
+ // Get a cursor for the deleted element - this should fail.
+ //
+ cout << "Testing DB::getCursorForKey (again)... ";
+ try
+ {
+ k = KeyCodec::write('a', instance);
+ cursor = db->getCursorForKey(k);
+ test(false);
+ }
+ catch(const DBNotFoundException&)
+ {
+ // Ignore
+ }
+ cout << "ok" << endl;
+
+ cout << "Testing clone... ";
+ cursor = db->getCursor();
+ clone = cursor->clone();
+
+ //
+ // Verify both cursors point at 'd'
+ //
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'd' && value == 3);
+
+ clone->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'd' && value == 3);
+
+ cursor->close();
+ clone->close();
+
+ //
+ // Create cursor that points at 'n'
+ //
+ k = KeyCodec::write('n', instance);
+ cursor = db->getCursorForKey(k);
+ clone = cursor->clone();
+
+ //
+ // Verify both cursors point at 'n'
+ //
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'n' && value == 13);
+
+ clone->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'n' && value == 13);
+
+ cursor->close();
+ clone->close();
+
+ //
+ // Create cursor that points at 'n'
+ //
+ k = KeyCodec::write('n', instance);
+ cursor = db->getCursorForKey(k);
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'n' && value == 13);
+
+ clone = cursor->clone();
+
+ //
+ // Verify cloned cursors are independent
+ //
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'o' && value == 14);
+
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'p' && value == 15);
+
+ clone->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'o' && value == 14);
+
+ cursor->close();
+ clone->close();
+
+ cursor = db->getCursor();
+
+ clone = cursor->clone();
+
+ //
+ // Get the 'd' value
+ //
+ cursor->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'd' && value == 3);
+
+ //
+ // Clone the cursor
+ //
+ cursor->remove();
+
+ clone->next(k, v);
+ readValue(db, k, v, key, value);
+ test(key == 'e' && value == 4);
+
+ clone->close();
+ cursor->close();
+
+ cout << " ok" << endl;
+
+ db->close();
+ return EXIT_SUCCESS;
+}
+
+int
+main(int argc, char* argv[])
+{
+ int status;
+ Ice::CommunicatorPtr communicator;
+ DBEnvironmentPtr dbEnv;
+ string dbEnvDir = "db";
+
+ try
+ {
+ communicator = Ice::initialize(argc, argv);
+ if (argc != 1)
+ {
+ dbEnvDir = argv[1];
+ dbEnvDir += "/";
+ dbEnvDir += "db";
+ }
+ dbEnv = Freeze::initialize(communicator, dbEnvDir);
+ status = run(argc, argv, dbEnv);
+ }
+ catch(const Ice::Exception& ex)
+ {
+ cerr << ex << endl;
+ status = EXIT_FAILURE;
+ }
+
+ if (dbEnv)
+ {
+ try
+ {
+ dbEnv->close();
+ }
+ catch(const DBException& ex)
+ {
+ cerr << argv[0] << ": " << ex << ": " << ex.message << endl;
+ status = EXIT_FAILURE;
+ }
+ catch(const Exception& ex)
+ {
+ cerr << argv[0] << ": " << ex << endl;
+ status = EXIT_FAILURE;
+ }
+ catch(...)
+ {
+ cerr << argv[0] << ": unknown exception" << endl;
+ status = EXIT_FAILURE;
+ }
+ dbEnv = 0;
+ }
+
+ try
+ {
+ communicator->destroy();
+ }
+ catch(const Ice::Exception& ex)
+ {
+ cerr << ex << endl;
+ status = EXIT_FAILURE;
+ }
+
+ return status;
+}
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