/*
* Copyright 2007 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.javascript.jscomp;
import com.google.javascript.jscomp.type.ClosureReverseAbstractInterpreter;
import com.google.javascript.jscomp.type.FlowScope;
import com.google.javascript.rhino.Node;
import com.google.javascript.rhino.Token;
import com.google.javascript.rhino.jstype.JSType;
import com.google.javascript.rhino.testing.Asserts;
public class ClosureReverseAbstractInterpreterTest extends
CompilerTypeTestCase {
public void testGoogIsDef1() throws Exception {
testClosureFunction("goog.isDef",
createOptionalType(NUMBER_TYPE),
NUMBER_TYPE,
VOID_TYPE);
}
public void testGoogIsDef2() throws Exception {
testClosureFunction("goog.isDef",
createNullableType(NUMBER_TYPE),
createNullableType(NUMBER_TYPE),
NO_TYPE);
}
public void testGoogIsDef3() throws Exception {
testClosureFunction("goog.isDef",
ALL_TYPE,
createUnionType(OBJECT_NUMBER_STRING_BOOLEAN,NULL_TYPE),
VOID_TYPE);
}
public void testGoogIsDef4() throws Exception {
testClosureFunction("goog.isDef",
UNKNOWN_TYPE,
UNKNOWN_TYPE, // TODO(johnlenz): should be CHECKED_UNKNOWN_TYPE
UNKNOWN_TYPE);
}
public void testGoogIsNull1() throws Exception {
testClosureFunction("goog.isNull",
createOptionalType(NUMBER_TYPE),
NO_TYPE,
createOptionalType(NUMBER_TYPE));
}
public void testGoogIsNull2() throws Exception {
testClosureFunction("goog.isNull",
createNullableType(NUMBER_TYPE),
NULL_TYPE,
NUMBER_TYPE);
}
public void testGoogIsNull3() throws Exception {
testClosureFunction("goog.isNull",
ALL_TYPE,
NULL_TYPE,
createUnionType(OBJECT_NUMBER_STRING_BOOLEAN, VOID_TYPE));
}
public void testGoogIsNull4() throws Exception {
testClosureFunction("goog.isNull",
UNKNOWN_TYPE,
UNKNOWN_TYPE,
UNKNOWN_TYPE); // TODO(johnlenz): this should be CHECK_UNKNOWN
}
public void testGoogIsDefAndNotNull1() throws Exception {
testClosureFunction("goog.isDefAndNotNull",
createOptionalType(NUMBER_TYPE),
NUMBER_TYPE,
VOID_TYPE);
}
public void testGoogIsDefAndNotNull2() throws Exception {
testClosureFunction("goog.isDefAndNotNull",
createNullableType(NUMBER_TYPE),
NUMBER_TYPE,
NULL_TYPE);
}
public void testGoogIsDefAndNotNull3() throws Exception {
testClosureFunction("goog.isDefAndNotNull",
createOptionalType(createNullableType(NUMBER_TYPE)),
NUMBER_TYPE,
NULL_VOID);
}
public void testGoogIsDefAndNotNull4() throws Exception {
testClosureFunction("goog.isDefAndNotNull",
ALL_TYPE,
OBJECT_NUMBER_STRING_BOOLEAN,
NULL_VOID);
}
public void testGoogIsDefAndNotNull5() throws Exception {
testClosureFunction("goog.isDefAndNotNull",
UNKNOWN_TYPE,
UNKNOWN_TYPE, // TODO(johnlenz): this should be "CHECKED_UNKNOWN"
UNKNOWN_TYPE);
}
public void testGoogIsString1() throws Exception {
testClosureFunction("goog.isString",
createNullableType(STRING_TYPE),
STRING_TYPE,
NULL_TYPE);
}
public void testGoogIsString2() throws Exception {
testClosureFunction("goog.isString",
createNullableType(NUMBER_TYPE),
createNullableType(NUMBER_TYPE),
createNullableType(NUMBER_TYPE));
}
public void testGoogIsBoolean1() throws Exception {
testClosureFunction("goog.isBoolean",
createNullableType(BOOLEAN_TYPE),
BOOLEAN_TYPE,
NULL_TYPE);
}
public void testGoogIsBoolean2() throws Exception {
testClosureFunction("goog.isBoolean",
createUnionType(BOOLEAN_TYPE, STRING_TYPE, NO_OBJECT_TYPE),
BOOLEAN_TYPE,
createUnionType(STRING_TYPE, NO_OBJECT_TYPE));
}
public void testGoogIsBoolean3() throws Exception {
testClosureFunction("goog.isBoolean",
ALL_TYPE,
BOOLEAN_TYPE,
ALL_TYPE); // TODO(johnlenz): this should be:
// {Object|number|string|null|void}
}
public void testGoogIsBoolean4() throws Exception {
testClosureFunction("goog.isBoolean",
UNKNOWN_TYPE,
BOOLEAN_TYPE,
CHECKED_UNKNOWN_TYPE);
}
public void testGoogIsNumber() throws Exception {
testClosureFunction("goog.isNumber",
createNullableType(NUMBER_TYPE),
NUMBER_TYPE,
NULL_TYPE);
}
public void testGoogIsFunction() throws Exception {
testClosureFunction("goog.isFunction",
createNullableType(OBJECT_FUNCTION_TYPE),
OBJECT_FUNCTION_TYPE,
NULL_TYPE);
}
public void testGoogIsFunction2() throws Exception {
testClosureFunction("goog.isFunction",
OBJECT_NUMBER_STRING_BOOLEAN,
U2U_CONSTRUCTOR_TYPE,
OBJECT_NUMBER_STRING_BOOLEAN);
}
public void testGoogIsFunction3() throws Exception {
testClosureFunction("goog.isFunction",
createUnionType(U2U_CONSTRUCTOR_TYPE, NUMBER_STRING_BOOLEAN),
U2U_CONSTRUCTOR_TYPE,
NUMBER_STRING_BOOLEAN);
}
public void testGoogIsFunctionOnNull() throws Exception {
testClosureFunction("goog.isFunction",
null,
U2U_CONSTRUCTOR_TYPE,
null);
}
public void testGoogIsArray1() throws Exception {
testClosureFunction("goog.isArray",
OBJECT_TYPE,
ARRAY_TYPE,
OBJECT_TYPE);
}
public void testGoogIsArray2() throws Exception {
testClosureFunction("goog.isArray",
ALL_TYPE,
ARRAY_TYPE,
ALL_TYPE);
}
public void testGoogIsArray3() throws Exception {
testClosureFunction("goog.isArray",
UNKNOWN_TYPE,
CHECKED_UNKNOWN_TYPE,
CHECKED_UNKNOWN_TYPE);
}
public void testGoogIsArray4() throws Exception {
testClosureFunction("goog.isArray",
createUnionType(ARRAY_TYPE, NULL_TYPE),
ARRAY_TYPE,
NULL_TYPE);
}
public void testGoogIsArrayOnNull() throws Exception {
testClosureFunction("goog.isArray",
null,
ARRAY_TYPE,
null);
}
public void testGoogIsObjectOnNull() throws Exception {
testClosureFunction("goog.isObject",
null,
OBJECT_TYPE,
null);
}
public void testGoogIsObject1() throws Exception {
testClosureFunction("goog.isObject",
ALL_TYPE,
NO_OBJECT_TYPE,
createUnionType(NUMBER_STRING_BOOLEAN, NULL_TYPE, VOID_TYPE));
}
public void testGoogIsObject2() throws Exception {
testClosureFunction("goog.isObject",
createUnionType(OBJECT_TYPE, NUMBER_STRING_BOOLEAN),
OBJECT_TYPE,
NUMBER_STRING_BOOLEAN);
}
public void testGoogIsObject3() throws Exception {
testClosureFunction("goog.isObject",
createUnionType(
OBJECT_TYPE, NUMBER_STRING_BOOLEAN, NULL_TYPE, VOID_TYPE),
OBJECT_TYPE,
createUnionType(NUMBER_STRING_BOOLEAN, NULL_TYPE, VOID_TYPE));
}
public void testGoogIsObject4() throws Exception {
testClosureFunction("goog.isObject",
UNKNOWN_TYPE,
NO_OBJECT_TYPE, // ? Should this be CHECKED_UNKNOWN?
CHECKED_UNKNOWN_TYPE);
}
private void testClosureFunction(String function, JSType type,
JSType trueType, JSType falseType) {
// function(a) where a : type
Node n = compiler.parseTestCode("var a; " + function + "(a)");
Node call = n.getLastChild().getLastChild();
Node name = call.getLastChild();
Scope scope = new SyntacticScopeCreator(compiler).createScope(n, null);
FlowScope flowScope = LinkedFlowScope.createEntryLattice(scope);
assertEquals(Token.CALL, call.getType());
assertEquals(Token.NAME, name.getType());
GoogleCodingConvention convention = new GoogleCodingConvention();
flowScope.inferSlotType("a", type);
ClosureReverseAbstractInterpreter rai =
new ClosureReverseAbstractInterpreter(convention, registry);
// trueScope
Asserts.assertTypeEquals(
trueType,
rai.getPreciserScopeKnowingConditionOutcome(call, flowScope, true)
.getSlot("a").getType());
// falseScope
Asserts.assertTypeEquals(
falseType,
rai.getPreciserScopeKnowingConditionOutcome(call, flowScope, false)
.getSlot("a").getType());
}
}