public void testSetCoercion2() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("sampleBean", SampleBean.class);
Serializable s = compileSetExpression("sampleBean.map2['bleh']", ctx);
Foo foo = new Foo();
executeSetExpression(s, foo, "12");
assertEquals(12, foo.getSampleBean().getMap2().get("bleh").intValue());
foo = new Foo();
executeSetExpression(s, foo, "13");
assertEquals(13, foo.getSampleBean().getMap2().get("bleh").intValue());
OptimizerFactory.setDefaultOptimizer("ASM");
ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("sampleBean", SampleBean.class);
s = compileSetExpression("sampleBean.map2['bleh']", ctx);
foo = new Foo();
executeSetExpression(s, foo, "12");
assertEquals(12, foo.getSampleBean().getMap2().get("bleh").intValue());
executeSetExpression(s, foo, new Integer(12));
assertEquals(12, foo.getSampleBean().getMap2().get("bleh").intValue());
}
public void testGetCorrectInputs() {
String str = "total = total + $cheese.price";
ParserConfiguration pconf = new ParserConfiguration();
ParserContext pctx = new ParserContext(pconf);
pctx.setStrongTyping(true);
pctx.addInput("total", int.class);
pctx.addInput("$cheese", Cheese.class);
ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
assertTrue("Should not contain" + pctx.getVariables(), pctx.getVariables().isEmpty());
}
public void testParameterizedTypeInStrictMode() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("foo", HashMap.class, new Class[] {String.class, String.class});
ExpressionCompiler compiler = new ExpressionCompiler("foo.get('bar').toUpperCase()");
compiler.compile(ctx);
}
public void testEgressType() {
ExpressionCompiler compiler = new ExpressionCompiler("( $cheese )");
ParserContext context = new ParserContext();
context.addInput("$cheese", Cheese.class);
assertEquals(Cheese.class, compiler.compile(context).getKnownEgressType());
}
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 testMapAsContextWithStrictTyping() {
ExpressionCompiler compiler = new ExpressionCompiler("this['KEY1'] == $msg");
ParserContext ctx = new ParserContext();
ctx.setStrictTypeEnforcement(true);
ctx.setStrongTyping(true);
ctx.addInput("$msg", String.class);
ctx.addInput("this", Map.class);
Serializable expr = compiler.compile(ctx);
Map map = new HashMap();
map.put("KEY1", "MSGONE");
Map vars = new HashMap();
vars.put("$msg", "MSGONE");
Boolean bool = (Boolean) executeExpression(expr, map, vars);
assertEquals(Boolean.TRUE, bool);
}
public void testProvidedExternalTypes() {
ExpressionCompiler compiler = new ExpressionCompiler("foo.bar");
ParserContext ctx = new ParserContext();
ctx.setStrictTypeEnforcement(true);
ctx.addInput("foo", Foo.class);
compiler.compile(ctx);
}
public void testParameterizedTypeInStrictMode2() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("ctx", Object.class);
ExpressionCompiler compiler =
new ExpressionCompiler("org.mvel2.DataConversion.convert(ctx, String).toUpperCase()");
assertEquals(String.class, compiler.compile(ctx).getKnownEgressType());
}
public void testCompileTimeCoercion() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("foo", Foo.class);
assertEquals(
true,
executeExpression(
new ExpressionCompiler("foo.bar.woof == 'true'").compile(ctx), createTestMap()));
}
public void testParameterizedTypeInStrictMode4() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("base", Base.class);
ExpressionCompiler compiler = new ExpressionCompiler("base.list.get(1).toUpperCase()");
CompiledExpression ce = compiler.compile(ctx);
assertEquals(String.class, ce.getKnownEgressType());
}
public void testParameterizedTypeInStrictMode3() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("base", Base.class);
ExpressionCompiler compiler = new ExpressionCompiler("base.list");
assertTrue(
compiler.compile(ctx).getParserContext().getLastTypeParameters()[0].equals(String.class));
}
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 testSetAccessorOverloadedEqualsStrictMode2() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("foo", Foo.class);
try {
CompiledExpression expr = new ExpressionCompiler("foo.aValue = 'bar'").compile(ctx);
} catch (CompileException e) {
assertTrue(false);
}
}
public void testListCoercion() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("bar", Bar.class);
Serializable s = compileSetExpression("bar.testList[0]", ctx);
Foo foo = new Foo();
foo.getBar().getTestList().add(new Integer(-1));
executeSetExpression(s, foo, "12");
assertEquals(12, foo.getBar().getTestList().get(0).intValue());
foo = new Foo();
foo.getBar().getTestList().add(new Integer(-1));
executeSetExpression(s, foo, "13");
assertEquals(13, foo.getBar().getTestList().get(0).intValue());
OptimizerFactory.setDefaultOptimizer("ASM");
ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("bar", Bar.class);
s = compileSetExpression("bar.testList[0]", ctx);
foo = new Foo();
foo.getBar().getTestList().add(new Integer(-1));
executeSetExpression(s, foo, "12");
assertEquals(12, foo.getBar().getTestList().get(0).intValue());
executeSetExpression(s, foo, "13");
assertEquals(13, foo.getBar().getTestList().get(0).intValue());
}
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 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 testStrictStrongTypingCompilationErrors2() throws Exception {
ParserContext ctx = new ParserContext();
ctx.setStrictTypeEnforcement(true);
ctx.setStrongTyping(true);
ctx.addImport(Foo.class);
ctx.addInput("$bar", Bar.class);
try {
MVEL.compileExpression("x_a = new Foo244( $ba ); x_a.equals($ba);", ctx);
fail("This should not compileShared");
} catch (Exception e) {
e.printStackTrace();
}
}
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 testPrimitiveTypes() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("base", Base.class);
Serializable s = compileExpression("int x = 5; x = x + base.intValue; x", ctx);
Map vars = new HashMap();
vars.put("base", new Base());
Number x = (Number) executeExpression(s, vars);
assertEquals(15, x.intValue());
}
public void testFieldCoercion1() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("bar", Bar.class);
Serializable s = compileSetExpression("bar.assignTest", ctx);
Foo foo = new Foo();
executeSetExpression(s, foo, 12);
assertEquals("12", foo.getBar().getAssignTest());
foo = new Foo();
executeSetExpression(s, foo, 13);
assertEquals("13", foo.getBar().getAssignTest());
OptimizerFactory.setDefaultOptimizer("ASM");
ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("bar", Bar.class);
s = compileSetExpression("bar.assignTest", ctx);
foo = new Foo();
executeSetExpression(s, foo, 12);
assertEquals("12", foo.getBar().getAssignTest());
executeSetExpression(s, foo, 13);
assertEquals("13", foo.getBar().getAssignTest());
}
public void testStrongTyping2() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("blah", String.class);
try {
new ExpressionCompiler("1-blah").compile(ctx);
} catch (Exception e) {
e.printStackTrace();
return;
}
assertTrue(false);
}
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));
}
public void testStrictStrongTypingCompilationErrors1() throws Exception {
ParserContext ctx = new ParserContext();
ctx.setStrictTypeEnforcement(true);
ctx.setStrongTyping(true);
ctx.addImport(Foo.class);
ctx.addInput("$bar", Bar.class);
try {
ExpressionCompiler compiler = new ExpressionCompiler("System.out.println( $ba );");
compiler.compile(ctx);
fail("This should not compileShared");
} catch (Exception e) {
}
}
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 testTypeCast3() {
Map map = new HashMap();
map.put("foo", new Foo());
ParserContext pCtx = new ParserContext();
pCtx.setStrongTyping(true);
pCtx.addInput("foo", Foo.class);
Serializable s =
MVEL.compileExpression("((org.mvel2.tests.core.res.Bar) foo.getBar()).name != null", pCtx);
assertEquals(true, executeExpression(s, map));
assertEquals(1, pCtx.getInputs().size());
assertEquals(true, pCtx.getInputs().containsKey("foo"));
}
public void testAutoBoxing2() {
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("base", Base.class);
Serializable s =
compileExpression(
"java.util.List list = new java.util.ArrayList(); " + "list.add( base.intValue ); list",
ctx);
Map vars = new HashMap();
vars.put("base", new Base());
List list = (List) executeExpression(s, vars);
assertEquals(1, list.size());
}
public void testTypeCoercion2() {
OptimizerFactory.setDefaultOptimizer("reflective");
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("base", Base.class);
Serializable s =
compileExpression(
"java.math.BigInteger x = new java.math.BigInteger( \"5\" );" + " x + base.intValue;",
ctx);
Map vars = new HashMap();
vars.put("base", new Base());
Number x = (Number) executeExpression(s, vars);
assertEquals(15, x.intValue());
}
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 testMVEL236() {
StringBuffer buffer = new StringBuffer();
buffer.append("MyInterface2 var2 = (MyInterface2)var1;");
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("var1", MyInterface3.class);
ctx.addImport(MyInterface2.class);
ctx.addImport(MyInterface3.class);
try {
CompiledExpression compiled =
(CompiledExpression) MVEL.compileExpression(buffer.toString(), ctx);
} catch (Exception e) {
fail(e.getMessage());
}
}
