public void testTypeCalculation() {
ParserContext ctx = ParserContext.create().stronglyTyped();
ctx.addInput("foo", Foo.class);
Class cls = MVEL.analyze("foo.bar.testList.get(0)", ctx);
assertTrue(Integer.class.isAssignableFrom(cls));
}
public void testGenericInference2() {
ParserContext ctx;
MVEL.analysisCompile(
"$result = person.maptributes['fooey'].name",
ctx = ParserContext.create().stronglyTyped().withInput("person", Person.class));
assertEquals(String.class, ctx.getVarOrInputTypeOrNull("$result"));
}
public void testEgressTypeCorrect() {
ExecutableStatement stmt =
(ExecutableStatement)
MVEL.compileExpression(
"type", ParserContext.create().stronglyTyped().withInput("this", Cheese.class));
assertEquals(String.class, stmt.getKnownEgressType());
}
public void testStaticFieldAccessForInputsWithStrictStrong() {
ParserContext pCtx = ParserContext.create();
pCtx.setStrictTypeEnforcement(true);
pCtx.setStrongTyping(true);
MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);
assertFalse(pCtx.getInputs().containsKey("java"));
assertEquals(0, pCtx.getInputs().size());
MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
pCtx = ParserContext.create();
pCtx.setStrictTypeEnforcement(true);
pCtx.setStrongTyping(true);
MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);
assertFalse(pCtx.getInputs().containsKey("java"));
assertEquals(0, pCtx.getInputs().size());
}
public void testGenericInference() {
String expression = "$result = person.footributes[0].name";
ParserContext ctx;
MVEL.analysisCompile(
expression, ctx = ParserContext.create().stronglyTyped().withInput("person", Person.class));
assertEquals(String.class, ctx.getVarOrInputTypeOrNull("$result"));
Serializable s =
MVEL.compileExpression(
expression, ParserContext.create().stronglyTyped().withInput("person", Person.class));
Map<String, Object> vars = new HashMap<String, Object>();
Person p = new Person();
p.setFootributes(new ArrayList<Foo>());
p.getFootributes().add(new Foo());
vars.put("person", p);
assertEquals("dog", executeExpression(s, vars));
}
public void testVarInputs5() {
ParserContext pCtx = ParserContext.create().withInput("list", List.class);
MVEL.analysisCompile(
"String nodeName = list[0];\nSystem.out.println(nodeName);nodeName = list[1];\nSystem.out.println(nodeName);",
pCtx);
assertEquals(1, pCtx.getInputs().size());
assertTrue(pCtx.getInputs().containsKey("list"));
assertEquals(1, pCtx.getVariables().size());
assertTrue(pCtx.getVariables().containsKey("nodeName"));
assertEquals(List.class, pCtx.getVarOrInputType("list"));
assertEquals(String.class, pCtx.getVarOrInputType("nodeName"));
}
public void testStaticFieldAccessForInputs() {
MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
ParserContext pCtx = ParserContext.create();
MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);
assertFalse(pCtx.getInputs().containsKey("java"));
assertEquals(0, pCtx.getInputs().size());
// MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
//
// pCtx = ParserContext.create();
// MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);
//
// assertFalse(pCtx.getInputs().containsKey("java"));
//
// assertEquals(0,
// pCtx.getInputs().size());
}
public void testVarInputs() {
ParserContext pCtx = ParserContext.create();
MVEL.analysisCompile(
"test != foo && bo.addSomething(trouble) "
+ "&& 1 + 2 / 3 == 1; String bleh = foo; twa = bleh;",
pCtx);
assertEquals(4, pCtx.getInputs().size());
assertTrue(pCtx.getInputs().containsKey("test"));
assertTrue(pCtx.getInputs().containsKey("foo"));
assertTrue(pCtx.getInputs().containsKey("bo"));
assertTrue(pCtx.getInputs().containsKey("trouble"));
assertEquals(2, pCtx.getVariables().size());
assertTrue(pCtx.getVariables().containsKey("bleh"));
assertTrue(pCtx.getVariables().containsKey("twa"));
assertEquals(String.class, pCtx.getVarOrInputType("bleh"));
}
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 testMVEL190a() {
Serializable compiled =
MVEL.compileExpression(
"a.toString()", ParserContext.create().stronglyTyped().withInput("a", String.class));
}