package org.erlide.util;
import java.io.IOException;
import org.erlide.util.erlang.OtpErlang;
import org.erlide.util.erlang.OtpFormatPlaceholder;
import org.erlide.util.erlang.OtpParser;
import org.erlide.util.erlang.OtpParserException;
import org.erlide.util.erlang.OtpPatternVariable;
import org.junit.Assert;
import org.junit.Test;
import com.ericsson.otp.erlang.OtpErlangAtom;
import com.ericsson.otp.erlang.OtpErlangList;
import com.ericsson.otp.erlang.OtpErlangLong;
import com.ericsson.otp.erlang.OtpErlangMap;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangString;
import com.ericsson.otp.erlang.OtpOutputStream;
public class TermParserTest {
private final OtpParser termParser = OtpErlang.getTermParser();
@Test
public void int_1() throws OtpParserException {
final OtpErlangLong r = (OtpErlangLong) termParser.parse("34");
Assert.assertEquals(r.longValue(), 34);
}
@Test
public void int_2() throws OtpParserException {
final OtpErlangLong r = (OtpErlangLong) termParser.parse("-34");
Assert.assertEquals(r.longValue(), -34);
}
@Test
public void atom_1() throws OtpParserException {
final OtpErlangAtom r = (OtpErlangAtom) termParser.parse("hello");
Assert.assertEquals(r.atomValue(), "hello");
}
@Test
public void atom_2() throws OtpParserException {
final OtpErlangAtom r = (OtpErlangAtom) termParser.parse("hello ");
Assert.assertEquals(r.atomValue(), "hello");
}
@Test
public void atom_3() throws OtpParserException {
final OtpErlangAtom r = (OtpErlangAtom) termParser.parse(" hello");
Assert.assertEquals(r.atomValue(), "hello");
}
@Test
public void number_1() throws OtpParserException {
final OtpErlangLong r = (OtpErlangLong) termParser.parse("321");
Assert.assertEquals(r.longValue(), 321);
}
@Test
public void var_1() throws OtpParserException {
final OtpPatternVariable r = (OtpPatternVariable) termParser.parse("Hello");
Assert.assertEquals(r.getName(), "Hello");
}
@Test
public void var_2() throws OtpParserException {
final OtpPatternVariable r = (OtpPatternVariable) termParser.parse("_");
Assert.assertEquals(r.getName(), "_");
}
@Test
public void string_1() throws OtpParserException {
final OtpErlangString r = (OtpErlangString) termParser.parse("\"Hello\"");
Assert.assertEquals(r.stringValue(), "Hello");
}
@Test
public void string_2() throws OtpParserException {
final OtpErlangString r = (OtpErlangString) termParser.parse("\"Hello world!\"");
Assert.assertEquals(r.stringValue(), "Hello world!");
}
@Test
public void placeholder_1() throws OtpParserException {
final OtpFormatPlaceholder r = (OtpFormatPlaceholder) termParser.parse("~hello");
Assert.assertEquals(r.getName(), "hello");
}
@Test
public void list_1() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[]");
Assert.assertEquals("[]", r.toString());
}
@Test
public void list_2() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[a,2,b,4]");
Assert.assertEquals("[a,2,b,4]", r.toString());
}
@Test(expected = OtpParserException.class)
public void list_2a() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[a b]");
Assert.assertEquals("[a,b]", r.toString());
}
@Test
public void list_3() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[a,2,b|4]");
Assert.assertEquals("[a,2,b|4]", r.toString());
}
@Test
public void list_4() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser
.parse("[ax , [ 2 , b ], 4 ,5]");
Assert.assertEquals("[ax,[2,b],4,5]", r.toString());
}
@Test
public void sublist_1() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[a,2,b,4]");
final OtpErlangList s = (OtpErlangList) termParser.parse("[2,b,4]");
final OtpErlangObject ss = r.getTail();
Assert.assertEquals(s, ss);
}
@Test
public void sublist_2() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3|4]");
final OtpErlangList s = (OtpErlangList) termParser.parse("[2,3|4]");
final OtpErlangObject ss = r.getTail();
Assert.assertEquals(s, ss);
}
@Test
public void sublist_4() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3,4]");
final OtpErlangList s = (OtpErlangList) termParser.parse("[3,4]");
final OtpErlangObject ss = r.getNthTail(2);
Assert.assertEquals(s, ss);
}
@Test
public void sublist_3() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3|4]");
final OtpErlangList s = (OtpErlangList) termParser.parse("[3|4]");
final OtpErlangObject ss = r.getNthTail(2);
Assert.assertEquals(s, ss);
}
@Test
public void sublist_4a() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3,4]");
final OtpErlangObject ss = r.getNthTail(0);
Assert.assertEquals(r, ss);
}
@Test
public void sublist_4b() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3,4]");
final OtpErlangObject ss = r.getNthTail(4);
Assert.assertEquals(new OtpErlangList(), ss);
}
@Test
public void sublist_4c() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3,4]");
final OtpErlangObject ss = r.getNthTail(5);
Assert.assertEquals(null, ss);
}
@Test
public void sublist_4d() throws OtpParserException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3|4]");
final OtpErlangObject s = termParser.parse("4");
final OtpErlangObject ss = r.getNthTail(3);
Assert.assertEquals(s, ss);
}
@Test
public void sublist_5() throws OtpParserException, IOException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3,4]");
final OtpErlangObject ss = r.getNthTail(2);
try (final OtpOutputStream out = new OtpOutputStream()) {
ss.encode(out);
final byte[] contents1 = out.toByteArray();
out.reset();
final OtpErlangList s = (OtpErlangList) termParser.parse("[3,4]");
s.encode(out);
final byte[] contents2 = out.toByteArray();
Assert.assertEquals(contents2.length, contents1.length);
for (int i = 0; i < contents1.length; i++) {
Assert.assertEquals(contents2[i], contents1[i]);
}
}
}
@Test
public void sublist_6() throws OtpParserException, IOException {
final OtpErlangList r = (OtpErlangList) termParser.parse("[1,2,3|4]");
final OtpErlangObject ss = r.getNthTail(2);
try (final OtpOutputStream out = new OtpOutputStream()) {
ss.encode(out);
final byte[] contents1 = out.toByteArray();
out.reset();
final OtpErlangList s = (OtpErlangList) termParser.parse("[3|4]");
s.encode(out);
final byte[] contents2 = out.toByteArray();
Assert.assertEquals(contents2.length, contents1.length);
for (int i = 0; i < contents1.length; i++) {
Assert.assertEquals(contents2[i], contents1[i]);
}
}
}
@Test
public void map_1() throws OtpParserException {
final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{}");
Assert.assertEquals("#{}", r.toString());
}
@Test
public void map_2() throws OtpParserException {
final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2,\"b\"=>[4]}");
Assert.assertEquals("#{a => 2,\"b\" => [4]}", r.toString());
}
@Test(expected = OtpParserException.class)
public void map_2a() throws OtpParserException {
final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2 \"b\"=>[4]}");
Assert.assertEquals("#{a => 2,\"b\" => [4]}", r.toString());
}
@Test(expected = OtpParserException.class)
public void map_3() throws OtpParserException {
@SuppressWarnings("unused")
final OtpErlangMap r = (OtpErlangMap) termParser.parse("#{a=>2,b}");
}
}