83 lines
2.6 KiB
Java
83 lines
2.6 KiB
Java
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/*
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* Copyright (c) 2011 Tony Garnock-Jones. All rights reserved.
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*/
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package hop;
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import junit.framework.TestCase;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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*/
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public class TestSexpIO extends TestCase {
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public Object read(String s) throws IOException {
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return new SexpReader(new ByteArrayInputStream(s.getBytes())).read();
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}
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public byte[] write(Object x) throws IOException {
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ByteArrayOutputStream o = new ByteArrayOutputStream();
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new SexpWriter(o).write(x);
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return o.toByteArray();
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}
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public void assertBytesEqual(String expected, byte[] actual) {
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assertBytesEqual(expected.getBytes(), actual);
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}
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public void assertBytesEqual(byte[] expected, byte[] actual) {
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assertEquals(expected.length, actual.length);
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for (int i = 0; i < expected.length; i++) {
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assertEquals(expected[i], actual[i]);
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}
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}
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public void testEndOfStream() throws IOException {
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assertNull(read(""));
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}
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public void testEmptyList() throws IOException {
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assertEquals(new ArrayList<Object>(), read("()"));
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}
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public void testSimpleString() throws IOException {
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assertBytesEqual("hello", ((SexpBytes) read("5:hello")).getData());
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}
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public void testDisplayHint() throws IOException {
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SexpDisplayHint v = (SexpDisplayHint) read("[1:h]1:b");
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assertBytesEqual("b", v.getData());
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assertBytesEqual("h", v.getHint());
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assertBytesEqual("[1:h]1:b", write(v));
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}
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public void testSimpleList() throws IOException {
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List<Object> l = (List<Object>) read("(1:a1:b1:c)");
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assertEquals(3, l.size());
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assertBytesEqual("a", ((SexpBytes) l.get(0)).getData());
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assertBytesEqual("b", ((SexpBytes) l.get(1)).getData());
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assertBytesEqual("c", ((SexpBytes) l.get(2)).getData());
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}
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public void testNestedList() throws IOException {
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List<Object> l = (List<Object>) read("(1:a(1:b1:c)())");
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assertEquals(3, l.size());
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assertBytesEqual("a", ((SexpBytes) l.get(0)).getData());
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List<Object> k = (List<Object>) l.get(1);
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assertEquals(2, k.size());
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assertBytesEqual("b", ((SexpBytes) k.get(0)).getData());
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assertBytesEqual("c", ((SexpBytes) k.get(1)).getData());
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assertEquals(new ArrayList<Object>(), l.get(2));
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assertBytesEqual("(1:b1:c)", write(k));
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assertBytesEqual("(1:a(1:b1:c)())", write(l));
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}
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public void testNullWrite() throws IOException {
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assertBytesEqual("0:", write(null));
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}
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}
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