public void testContextMethodCallsInStrongMode() {
ParserContext context = new ParserContext();
context.setStrongTyping(true);
context.addInput("this", EchoContext.class);
ExecutableStatement stmt =
(ExecutableStatement) MVEL.compileExpression("this.echo( 'Mac')", context);
stmt = (ExecutableStatement) MVEL.compileExpression("echo( 'Mac')", context);
assertEquals("Mac", MVEL.executeExpression(stmt, new EchoContext()));
}
public void testEgressTypeCorrect2() {
ParserContext context = new ParserContext();
context.setStrongTyping(true);
context.addInput("this", SampleBean.class);
ExecutableStatement stmt =
(ExecutableStatement) MVEL.compileExpression("( map2[ 'yyy' ] )", context);
SampleBean s = new SampleBean();
s.getMap2().put("yyy", 1);
assertEquals(new Integer(1), MVEL.executeExpression(stmt, s));
}
public void testMapPropertyAccess() {
ParserContext ctx = new ParserContext();
ctx.addImport(MapWrapper.class);
ctx.addInput("wrapper", MapWrapper.class);
ctx.setStrongTyping(true);
Serializable expr = MVEL.compileExpression("wrapper.map[\"key\"]", ctx);
MapWrapper wrapper = new MapWrapper();
wrapper.getMap().put("key", "value");
Map vars = new HashMap();
vars.put("wrapper", wrapper);
assertEquals("value", MVEL.executeExpression(expr, vars));
}
public void testGenerics1() {
String str =
"addresses[0] == new Address(\"s1\") && addresses[0].street == new Address(\"s1\").street";
ParserConfiguration pconf = new ParserConfiguration();
ParserContext pctx = new ParserContext(pconf);
pctx.setStrongTyping(true);
pctx.addInput("this", PersonAddresses.class);
pctx.addImport(Address.class);
pctx.addImport(PersonAddresses.class);
ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
PersonAddresses ctx = new PersonAddresses();
ctx.getAddresses().add(new Address("s1"));
Boolean result = (Boolean) MVEL.executeExpression(stmt, ctx);
assertTrue(result);
}
public void testMVEL232() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.setStrictTypeEnforcement(true);
String script =
"for(int i=0;i<2;i++) { " + " System.out.println(i+\"\");" + "} " + " return true;";
try {
CompiledExpression compiled = (CompiledExpression) MVEL.compileExpression(script, ctx);
HashMap<String, Object> map = new HashMap<String, Object>();
MVEL.executeExpression(compiled, map);
} catch (Exception e) {
e.printStackTrace();
fail("should now throw an exception");
}
}
public void testGenericMethods() {
String str = "Integer.parseInt( a.getMap().get(\"x\") )";
ParserConfiguration pconf = new ParserConfiguration();
ParserContext pctx = new ParserContext(pconf);
pctx.setStrongTyping(true);
pctx.addInput("a", AGenericTestClass.class);
ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
AGenericTestClass a = new AGenericTestClass();
a.setMap(new HashMap<String, String>());
a.getMap().put("x", "10");
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("a", a);
Number result = (Number) MVEL.executeExpression(stmt, null, variables);
assertEquals(10, result.intValue());
}
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 void testStaticMethodCallThrowsException() {
String text = " ( throwException( ) ) ";
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(true);
pctx.setStrongTyping(true);
Map<String, Object> vars = new HashMap<String, Object>();
Serializable expr = MVEL.compileExpression(text, pctx);
try {
MVEL.executeExpression(expr);
fail("this should throw an exception");
} catch (Exception e) {
e.printStackTrace();
}
}