/*
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Nick Santos
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package com.google.javascript.rhino.jstype;
import com.google.javascript.rhino.SimpleErrorReporter;
import com.google.javascript.rhino.testing.Asserts;
import com.google.javascript.rhino.testing.AbstractStaticScope;
import junit.framework.TestCase;
/**
* Tests {@link JSTypeRegistry}.
*
*/
public class JSTypeRegistryTest extends TestCase {
// TODO(user): extend this class with more tests, as JSTypeRegistry is
// now much larger
public void testGetBuiltInType() {
JSTypeRegistry typeRegistry = new JSTypeRegistry(null);
assertTypeEquals(typeRegistry.getNativeType(JSTypeNative.BOOLEAN_TYPE),
typeRegistry.getType("boolean"));
}
public void testGetDeclaredType() {
JSTypeRegistry typeRegistry = new JSTypeRegistry(null);
JSType type = typeRegistry.createAnonymousObjectType(null);
String name = "Foo";
typeRegistry.declareType(name, type);
assertTypeEquals(type, typeRegistry.getType(name));
// Ensure different instances are independent.
JSTypeRegistry typeRegistry2 = new JSTypeRegistry(null);
assertEquals(null, typeRegistry2.getType(name));
assertTypeEquals(type, typeRegistry.getType(name));
}
public void testGetDeclaredTypeInNamespace() {
JSTypeRegistry typeRegistry = new JSTypeRegistry(null);
JSType type = typeRegistry.createAnonymousObjectType(null);
String name = "a.b.Foo";
typeRegistry.declareType(name, type);
assertTypeEquals(type, typeRegistry.getType(name));
assertTrue(typeRegistry.hasNamespace("a"));
assertTrue(typeRegistry.hasNamespace("a.b"));
}
public void testPropertyOnManyTypes() {
JSTypeRegistry typeRegistry = new JSTypeRegistry(null);
JSType type = null;
// By default the UnionTypeBuilder will treat a union of more than 20
// types as an unknown type. We don't want that for property checking
// so test that the limit is higher.
for (int i = 0; i < 100; i++) {
type = typeRegistry.createObjectType("type: " + i, null, null);
typeRegistry.registerPropertyOnType("foo", type);
}
assertFalse(typeRegistry.getGreatestSubtypeWithProperty(type, "foo").isUnknownType());
}
public void testTypeAsNamespace() {
JSTypeRegistry typeRegistry = new JSTypeRegistry(null);
JSType type = typeRegistry.createAnonymousObjectType(null);
String name = "a.b.Foo";
typeRegistry.declareType(name, type);
assertTypeEquals(type, typeRegistry.getType(name));
type = typeRegistry.createAnonymousObjectType(null);
name = "a.b.Foo.Bar";
typeRegistry.declareType(name, type);
assertTypeEquals(type, typeRegistry.getType(name));
assertTrue(typeRegistry.hasNamespace("a"));
assertTrue(typeRegistry.hasNamespace("a.b"));
assertTrue(typeRegistry.hasNamespace("a.b.Foo"));
}
public void testGenerationIncrementing1() {
SimpleErrorReporter reporter = new SimpleErrorReporter();
final JSTypeRegistry typeRegistry = new JSTypeRegistry(reporter);
StaticScope<JSType> scope = new AbstractStaticScope<JSType>() {
@Override
public StaticSlot<JSType> getSlot(final String name) {
return new SimpleSlot(
name,
typeRegistry.getNativeType(JSTypeNative.UNKNOWN_TYPE),
false);
}
};
ObjectType namedType =
(ObjectType) typeRegistry.getType(scope, "Foo", null, 0, 0);
ObjectType subNamed =
typeRegistry.createObjectType(typeRegistry.createObjectType(namedType));
// Subclass of named type is initially unresolved.
typeRegistry.setLastGeneration(false);
typeRegistry.resolveTypesInScope(scope);
assertTrue(subNamed.isUnknownType());
// Subclass of named type is still unresolved, even though the named type is
// now present in the registry.
typeRegistry.declareType("Foo",
typeRegistry.createAnonymousObjectType(null));
typeRegistry.resolveTypesInScope(scope);
assertTrue(subNamed.isUnknownType());
assertNull("Unexpected errors: " + reporter.errors(),
reporter.errors());
assertNull("Unexpected warnings: " + reporter.warnings(),
reporter.warnings());
// After incrementing the generation, resolve works again.
typeRegistry.incrementGeneration();
typeRegistry.setLastGeneration(true);
typeRegistry.resolveTypesInScope(scope);
assertFalse(subNamed.isUnknownType());
}
public void testGenerationIncrementing2() {
SimpleErrorReporter reporter = new SimpleErrorReporter();
final JSTypeRegistry typeRegistry = new JSTypeRegistry(reporter);
StaticScope<JSType> scope = new AbstractStaticScope<JSType>() {
@Override
public StaticSlot<JSType> getSlot(final String name) {
return new SimpleSlot(
name,
typeRegistry.getNativeType(JSTypeNative.UNKNOWN_TYPE),
false);
}
};
ObjectType namedType =
(ObjectType) typeRegistry.getType(scope, "Foo", null, 0, 0);
FunctionType functionType = typeRegistry.createFunctionType(namedType);
// Subclass of named type is initially unresolved.
typeRegistry.setLastGeneration(false);
typeRegistry.resolveTypesInScope(scope);
assertTrue(functionType.getReturnType().isUnknownType());
functionType.resolve(reporter, scope);
assertTrue(functionType.getReturnType().isUnknownType());
// Subclass of named type is still unresolved, even though the named type is
// now present in the registry.
typeRegistry.declareType("Foo",
typeRegistry.createAnonymousObjectType(null));
typeRegistry.resolveTypesInScope(scope);
assertTrue(functionType.getReturnType().isUnknownType());
assertNull("Unexpected errors: " + reporter.errors(),
reporter.errors());
assertNull("Unexpected warnings: " + reporter.warnings(),
reporter.warnings());
// After incrementing the generation, resolve works again.
typeRegistry.incrementGeneration();
typeRegistry.setLastGeneration(true);
typeRegistry.resolveTypesInScope(scope);
assertFalse(functionType.getReturnType().isUnknownType());
}
private void assertTypeEquals(JSType a, JSType b) {
Asserts.assertTypeEquals(a, b);
}
}