add tests for Parser
This commit is contained in:
Naoyuki Kanezawa
220
src/test/java/com/github/nkzawa/engineio/parser/ParserTest.java
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220
src/test/java/com/github/nkzawa/engineio/parser/ParserTest.java
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package com.github.nkzawa.engineio.parser;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import static com.github.nkzawa.engineio.parser.Parser.*;
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import static org.hamcrest.CoreMatchers.*;
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import static org.junit.Assert.assertThat;
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@RunWith(JUnit4.class)
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public class ParserTest {
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static final String ERROR_DATA = "parser error";
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@Test
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public void encodeAsString() {
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assertThat(encodePacket(new Packet(Packet.MESSAGE, "test")), isA(String.class));
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}
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@Test
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public void decodeAsPacket() {
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assertThat(decodePacket(encodePacket(new Packet(Packet.MESSAGE, "test"))), isA(Packet.class));
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}
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@Test
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public void noData() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.MESSAGE)));
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assertThat(p.type, is(Packet.MESSAGE));
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assertThat(p.data, is(nullValue()));
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}
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@Test
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public void encodeOpenPacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.OPEN, "{\"some\":\"json\"}")));
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assertThat(p.type, is(Packet.OPEN));
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assertThat(p.data, is("{\"some\":\"json\"}"));
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}
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@Test
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public void encodeClosePacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.CLOSE)));
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assertThat(p.type, is(Packet.CLOSE));
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}
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@Test
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public void encodePingPacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.PING, "1")));
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assertThat(p.type, is(Packet.PING));
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assertThat(p.data, is("1"));
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}
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@Test
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public void encodePongPacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.PONG, "1")));
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assertThat(p.type, is(Packet.PONG));
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assertThat(p.data, is("1"));
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}
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@Test
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public void encodeMessagePacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.MESSAGE, "aaa")));
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assertThat(p.type, is(Packet.MESSAGE));
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assertThat(p.data, is("aaa"));
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}
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@Test
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public void encodeUpgradePacket() {
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Packet p = decodePacket(encodePacket(new Packet(Packet.UPGRADE)));
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assertThat(p.type, is(Packet.UPGRADE));
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}
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@Test
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public void encodingFormat() {
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assertThat(encodePacket(new Packet(Packet.MESSAGE, "test")).matches("[0-9].*"), is(true));
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assertThat(encodePacket(new Packet(Packet.MESSAGE)).matches("[0-9]"), is(true));
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}
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@Test
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public void decodeBadFormat() {
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Packet p = decodePacket(":::");
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assertThat(p.type, is(Packet.ERROR));
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assertThat(p.data, is(ERROR_DATA));
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}
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@Test
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public void decodeInexistentTypes() {
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Packet p = decodePacket("94103");
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assertThat(p.type, is(Packet.ERROR));
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assertThat(p.data, is(ERROR_DATA));
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}
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@Test
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public void encodePayloadsAsString() {
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assertThat(encodePayload(new Packet[] {
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new Packet(Packet.PING), new Packet(Packet.PONG)}), isA(String.class));
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}
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@Test
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public void encodeAndDecodePayloads() {
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decodePayload(encodePayload(new Packet[] {new Packet(Packet.MESSAGE, "a")}),
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new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(isLast, is(true));
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return true;
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}
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});
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decodePayload(encodePayload(new Packet[] {
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new Packet(Packet.MESSAGE, "a"), new Packet(Packet.PING)}),
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new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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if (!isLast) {
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assertThat(packet.type, is(Packet.MESSAGE));
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} else {
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assertThat(packet.type, is(Packet.PING));
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}
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return true;
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}
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});
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}
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@Test
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public void encodeAndDecodeEmptyPayloads() {
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decodePayload(encodePayload(new Packet[] {}), new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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assertThat(packet.type, is(Packet.OPEN));
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boolean isLast = index + 1 == total;
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assertThat(isLast, is(true));
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return true;
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}
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});
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}
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@Test
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public void decodePayloadBadFormat() {
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decodePayload("1!", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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decodePayload("", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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decodePayload("))", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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}
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@Test
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public void decodePayloadBadLength() {
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decodePayload("1:", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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}
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@Test
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public void decodePayloadBadPacketFormat() {
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decodePayload("3:99:", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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decodePayload("1:aa", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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decodePayload("1:a2:b", new DecodePayloadCallback() {
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@Override
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public boolean call(Packet packet, int index, int total) {
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boolean isLast = index + 1 == total;
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assertThat(packet.type, is(Packet.ERROR));
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assertThat(packet.data, is(ERROR_DATA));
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assertThat(isLast, is(true));
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return true;
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}
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});
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}
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}
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