/*
 * Copyright 2014 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.stomp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.util.CharsetUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.*;

public class StompSubframeDecoderTest {

    private EmbeddedChannel channel;

    @Before
    public void setup() throws Exception {
        channel = new EmbeddedChannel(new StompSubframeDecoder());
    }

    @After
    public void teardown() throws Exception {
        assertFalse(channel.finish());
    }

    @Test
    public void testSingleFrameDecoding() {
        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(StompTestConstants.CONNECT_FRAME.getBytes());
        channel.writeInbound(incoming);
        StompHeadersSubframe frame = channel.readInbound();
        assertNotNull(frame);
        assertEquals(StompCommand.CONNECT, frame.command());
        StompContentSubframe content = channel.readInbound();
        assertSame(LastStompContentSubframe.EMPTY_LAST_CONTENT, content);
        Object o = channel.readInbound();
        assertNull(o);
    }

    @Test
    public void testSingleFrameWithBodyAndContentLength() {
        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(StompTestConstants.SEND_FRAME_2.getBytes());
        channel.writeInbound(incoming);
        StompHeadersSubframe frame = channel.readInbound();
        assertNotNull(frame);
        assertEquals(StompCommand.SEND, frame.command());
        StompContentSubframe content = channel.readInbound();
        assertTrue(content instanceof LastStompContentSubframe);
        String s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals("hello, queue a!!!", s);
        assertNull(channel.readInbound());
    }

    @Test
    public void testSingleFrameWithBodyWithoutContentLength() {
        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(StompTestConstants.SEND_FRAME_1.getBytes());
        channel.writeInbound(incoming);
        StompHeadersSubframe frame = channel.readInbound();
        assertNotNull(frame);
        assertEquals(StompCommand.SEND, frame.command());
        StompContentSubframe content = channel.readInbound();
        assertTrue(content instanceof LastStompContentSubframe);
        String s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals("hello, queue a!", s);
        assertNull(channel.readInbound());
    }

    @Test
    public void testSingleFrameChunked() {
        EmbeddedChannel channel = new EmbeddedChannel(new StompSubframeDecoder(10000, 5));

        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(StompTestConstants.SEND_FRAME_2.getBytes());
        channel.writeInbound(incoming);
        StompHeadersSubframe frame = channel.readInbound();
        assertNotNull(frame);
        assertEquals(StompCommand.SEND, frame.command());
        StompContentSubframe content = channel.readInbound();
        String s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals("hello", s);

        content = channel.readInbound();
        s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals(", que", s);

        content = channel.readInbound();
        s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals("ue a!", s);

        content = channel.readInbound();
        s = content.content().toString(CharsetUtil.UTF_8);
        assertEquals("!!", s);

        assertNull(channel.readInbound());
    }

    @Test
    public void testMultipleFramesDecoding() {
        ByteBuf incoming = Unpooled.buffer();
        incoming.writeBytes(StompTestConstants.CONNECT_FRAME.getBytes());
        incoming.writeBytes(StompTestConstants.CONNECTED_FRAME.getBytes());
        channel.writeInbound(incoming);

        StompHeadersSubframe frame = channel.readInbound();
        assertNotNull(frame);
        assertEquals(StompCommand.CONNECT, frame.command());
        StompContentSubframe content = channel.readInbound();
        assertSame(LastStompContentSubframe.EMPTY_LAST_CONTENT, content);

        StompHeadersSubframe frame2 = channel.readInbound();
        assertNotNull(frame2);
        assertEquals(StompCommand.CONNECTED, frame2.command());
        StompContentSubframe content2 = channel.readInbound();
        assertSame(LastStompContentSubframe.EMPTY_LAST_CONTENT, content2);
        assertNull(channel.readInbound());
    }
}

@@ -1441,32 +1441,33 @@
 ound(incoming);%0A
+%0A
         StompHea
@@ -1593,32 +1593,33 @@
 ame.command());%0A
+%0A
         StompCon
@@ -1738,16 +1738,44 @@
 ntent);%0A
+        content.release();%0A%0A
         
@@ -2059,32 +2059,33 @@
 ound(incoming);%0A
+%0A
         StompHea
@@ -2208,32 +2208,33 @@
 ame.command());%0A
+%0A
         StompCon
@@ -2448,32 +2448,60 @@
 ueue a!!!%22, s);%0A
+        content.release();%0A%0A
         assertNu
@@ -2759,32 +2759,33 @@
 ound(incoming);%0A
+%0A
         StompHea
@@ -2908,32 +2908,33 @@
 ame.command());%0A
+%0A
         StompCon
@@ -3146,32 +3146,60 @@
  queue a!%22, s);%0A
+        content.release();%0A%0A
         assertNu
@@ -3536,16 +3536,17 @@
 oming);%0A
+%0A
         
@@ -3677,32 +3677,33 @@
 ame.command());%0A
+%0A
         StompCon
@@ -3843,24 +3843,51 @@
 %22hello%22, s);
+%0A        content.release();
 %0A%0A        co
@@ -4005,24 +4005,51 @@
 %22, que%22, s);
+%0A        content.release();
 %0A%0A        co
@@ -4167,24 +4167,51 @@
 %22ue a!%22, s);
+%0A        content.release();
 %0A%0A        co
@@ -4330,16 +4330,43 @@
 !!%22, s);
+%0A        content.release();
 %0A%0A      
@@ -4846,32 +4846,33 @@
 ame.command());%0A
+%0A
         StompCon
@@ -4990,16 +4990,43 @@
 ontent);
+%0A        content.release();
 %0A%0A      
@@ -5171,24 +5171,25 @@
 command());%0A
+%0A
         Stom
@@ -5231,32 +5231,32 @@
 .readInbound();%0A
-
         assertSa
@@ -5310,24 +5310,53 @@
  content2);%0A
+        content2.release();%0A%0A
         asse

Fix resource leaks in StompSubframeDecoderTest