add compiler to vm as add-on
This commit is contained in:
James Roseborough
96
src/test/java/lua/addon/compile/AbstractUnitTests.java
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96
src/test/java/lua/addon/compile/AbstractUnitTests.java
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package lua.addon.compile;
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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.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import java.io.Reader;
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import java.net.URL;
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import junit.framework.TestCase;
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import lua.Print;
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import lua.StackState;
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import lua.addon.compile.Compiler;
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import lua.addon.compile.DumpState;
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import lua.io.LoadState;
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import lua.io.Proto;
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abstract
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public class AbstractUnitTests extends TestCase {
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private final String zipfile;
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private final String dir;
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public AbstractUnitTests(String zipfile, String dir) {
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this.zipfile = zipfile;
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this.dir = dir;
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}
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protected void doTest( String file ) {
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try {
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// load source from jar
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String path = "jar:file:" + zipfile + "!/" + dir + "/" + file;
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byte[] lua = bytesFromJar( path );
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// compile in memory
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InputStream is = new ByteArrayInputStream( lua );
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Reader r = new InputStreamReader( is );
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Proto p = Compiler.compile(r, dir+"/"+file);
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String actual = protoToString( p );
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// load expected value from jar
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byte[] luac = bytesFromJar( path + "c" );
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Proto e = loadFromBytes( luac, file );
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String expected = protoToString( e );
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// compare results
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assertEquals( expected, actual );
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// dump into memory
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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DumpState.dump(p, baos, false);
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byte[] dumped = baos.toByteArray();
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// re-undump
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Proto p2 = loadFromBytes( dumped, file );
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String actual2 = protoToString( p2 );
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// compare again
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assertEquals( actual, actual2 );
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} catch (IOException e) {
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fail( e.toString() );
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}
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}
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protected byte[] bytesFromJar(String path) throws IOException {
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URL url = new URL(path);
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InputStream is = url.openStream();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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byte[] buffer = new byte[2048];
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int n;
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while ( (n = is.read(buffer)) >= 0 )
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baos.write( buffer, 0, n );
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is.close();
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return baos.toByteArray();
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}
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protected Proto loadFromBytes(byte[] bytes, String script) throws IOException {
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StackState state = new StackState();
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InputStream is = new ByteArrayInputStream( bytes );
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return LoadState.undump(state, is, script);
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}
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protected String protoToString(Proto p) {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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PrintStream ps = new PrintStream( baos );
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Print.ps = ps;
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new Print().printFunction(p, true);
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return baos.toString();
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}
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}
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35
src/test/java/lua/addon/compile/CompilerUnitTests.java
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35
src/test/java/lua/addon/compile/CompilerUnitTests.java
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package lua.addon.compile;
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public class CompilerUnitTests extends AbstractUnitTests {
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public CompilerUnitTests() {
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super( "src/test/compile/lua5.1-tests.zip",
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"lua5.1-tests" );
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}
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public void testAll() { doTest("all.lua"); }
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public void testApi() { doTest("api.lua"); }
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public void testAttrib() { doTest("attrib.lua"); }
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public void testBig() { doTest("big.lua"); }
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public void testCalls() { doTest("calls.lua"); }
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public void testChecktable() { doTest("checktable.lua"); }
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public void testClosure() { doTest("closure.lua"); }
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public void testCode() { doTest("code.lua"); }
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public void testConstruct() { doTest("constructs.lua"); }
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public void testDb() { doTest("db.lua"); }
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public void testErrors() { doTest("errors.lua"); }
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public void testEvents() { doTest("events.lua"); }
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public void testFiles() { doTest("files.lua"); }
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public void testGc() { doTest("gc.lua"); }
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public void testLiterals() { doTest("literals.lua"); }
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public void testLocals() { doTest("locals.lua"); }
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public void testMain() { doTest("main.lua"); }
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public void testMath() { doTest("math.lua"); }
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public void testNextvar() { doTest("nextvar.lua"); }
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public void testPm() { doTest("pm.lua"); }
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public void testSort() { doTest("sort.lua"); }
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public void testStrings() { doTest("strings.lua"); }
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public void testVararg() { doTest("vararg.lua"); }
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public void testVerybig() { doTest("verybig.lua"); }
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}
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31
src/test/java/lua/addon/compile/RegressionTests.java
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31
src/test/java/lua/addon/compile/RegressionTests.java
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package lua.addon.compile;
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/**
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* Framework to add regression tests as problem areas are found.
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*
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* To add a new regression test:
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* 1) run "unpack.sh" in the project root
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* 2) add a new "lua" file in the "regressions" subdirectory
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* 3) run "repack.sh" in the project root
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* 4) add a line to the source file naming the new test
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*
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* After adding a test, check in the zip file
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* rather than the individual regression test files.
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*
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* @author jrosebor
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*/
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public class RegressionTests extends AbstractUnitTests {
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public RegressionTests() {
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super( "src/test/compile/regressions.zip",
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"regressions" );
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}
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public void testModulo() { doTest("modulo.lua"); }
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public void testConstruct() { doTest("construct.lua"); }
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public void testBigAttrs() { doTest("bigattr.lua"); }
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public void testControlChars() { doTest("controlchars.lua"); }
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public void testComparators() { doTest("comparators.lua"); }
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public void testMathRandomseed() { doTest("mathrandomseed.lua"); }
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}
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76
src/test/java/lua/addon/compile/SimpleTests.java
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76
src/test/java/lua/addon/compile/SimpleTests.java
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package lua.addon.compile;
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import java.io.Reader;
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import java.io.StringReader;
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import junit.framework.TestCase;
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import lua.Print;
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import lua.StackState;
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import lua.addon.compile.Compiler;
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import lua.io.Closure;
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import lua.io.Proto;
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import lua.value.LValue;
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public class SimpleTests extends TestCase {
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private void doTest( String script ) {
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Reader r = new StringReader( script );
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Proto p = Compiler.compile( r, "script" );
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assertNotNull( p );
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Print.printCode( p );
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// try running the code!
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StackState state = new StackState();
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Closure c = new Closure( state, p );
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state.doCall( c, new LValue[0] );
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}
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public void testTrivial() {
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String s = "print( 2 )\n";
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doTest( s );
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}
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public void testAlmostTrivial() {
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String s = "print( 2 )\n" +
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"print( 3 )\n";
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doTest( s );
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}
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public void testSimple() {
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String s = "print( 'hello, world' )\n"+
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"for i = 2,4 do\n" +
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" print( 'i', i )\n" +
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"end\n";
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doTest( s );
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}
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public void testBreak() {
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String s = "a=1\n"+
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"while true do\n"+
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" if a>10 then\n"+
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" break\n"+
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" end\n"+
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" a=a+1\n"+
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" print( a )\n"+
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"end\n";
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doTest( s );
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}
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public void testShebang() {
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String s = "#!../lua\n"+
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"print( 2 )\n";
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doTest( s );
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}
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public void testInlineTable() {
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String s = "A = {g=10}\n"+
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"print( A )\n";
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doTest( s );
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}
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public void testEqualsAnd() {
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String s = "print( 1 == b and b )\n";
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doTest( s );
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}
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}
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