public void testAutoBoxing() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
// ctx.addInput("base", Base.class);
Serializable s = compileExpression("(list = new java.util.ArrayList()).add( 5 ); list", ctx);
Map vars = new HashMap();
// vars.put("base", new Base());
List list = (List) executeExpression(s, vars);
assertEquals(1, list.size());
}
public void testStaticMethodsInInputsBug() {
String text = " getList( java.util.Formatter )";
ParserConfiguration pconf = new ParserConfiguration();
for (Method m : CoreConfidenceTests.StaticMethods.class.getMethods()) {
if (Modifier.isStatic(m.getModifiers())) {
pconf.addImport(m.getName(), m);
}
}
ParserContext pctx = new ParserContext(pconf);
pctx.setStrictTypeEnforcement(false);
pctx.setStrongTyping(false);
Map<String, Object> vars = new HashMap<String, Object>();
Serializable expr = MVEL.compileExpression(text, pctx);
List list = (List) MVEL.executeExpression(expr, null, vars);
assertEquals(Formatter.class, list.get(0));
assertEquals(0, pctx.getInputs().size());
}
public void testForLoopTypeCoercion() {
ParserContext pCtx = ParserContext.create();
pCtx.setStrongTyping(true);
pCtx.addInput("$type", String.class);
pCtx.addInput("l", List.class);
Map<String, Object> vars = new HashMap<String, Object>();
vars.put("$type", "pc!!");
List list = new ArrayList();
vars.put("l", list);
ExecutableStatement stmt =
(ExecutableStatement)
MVEL.compileExpression("for (byte bt:$type.getBytes()) {l.add( bt);}", pCtx);
MVEL.executeExpression(stmt, null, vars);
byte[] exp = "pc!!".getBytes();
// byte[] res = new byte[list.size()];
for (int i = 0; i < exp.length; i++) {
assertEquals(exp[i], list.get(i));
}
}
public final void testDetermineEgressParametricType2() {
final ParserContext parserContext = new ParserContext();
parserContext.setStrongTyping(true);
parserContext.addInput("strings", List.class, new Class[] {String.class});
final CompiledExpression expr = new ExpressionCompiler("strings", parserContext).compile();
assertTrue(STRINGS.equals(executeExpression(expr, new A())));
final Type[] typeParameters = expr.getParserContext().getLastTypeParameters();
assertTrue(null != typeParameters);
assertTrue(String.class.equals(typeParameters[0]));
}
public void testStrictTypingCompilationWithVarInsideConstructor() {
ParserContext ctx = new ParserContext();
ctx.addInput("$likes", String.class);
ctx.addInput("results", List.class);
ctx.addImport(Cheese.class);
ctx.setStrongTyping(true);
Serializable expr = null;
try {
expr =
MVEL.compileExpression("Cheese c = new Cheese( $likes, 15 );\nresults.add( c ); ", ctx);
} catch (CompileException e) {
e.printStackTrace();
fail("This should not fail:\n" + e.getMessage());
}
List results = new ArrayList();
Map vars = new HashMap();
vars.put("$likes", "stilton");
vars.put("results", results);
executeExpression(expr, vars);
assertEquals(new Cheese("stilton", 15), results.get(0));
}