ScopingTest.java
/*
* Janino - An embedded Java[TM] compiler
*
* Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// SUPPRESS CHECKSTYLE JavadocMethod:9999
package org.codehaus.commons.compiler.tests;
import java.lang.reflect.Method;
import java.util.Collection;
import org.codehaus.commons.compiler.ICompilerFactory;
import org.codehaus.commons.compiler.ISimpleCompiler;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import util.TestUtil;
/**
* Tests for the handling of 'scopes' within JANINO.
*/
@RunWith(Parameterized.class) public
class ScopingTest {
private final ICompilerFactory compilerFactory;
@Parameters(name = "CompilerFactory={0}") public static Collection<Object[]>
compilerFactories() throws Exception { return TestUtil.getCompilerFactoriesForParameters(); }
public
ScopingTest(ICompilerFactory compilerFactory) { this.compilerFactory = compilerFactory; }
@Test public void
testProtectedAccessAcrossPackages() throws Exception {
ISimpleCompiler sc = this.compilerFactory.newSimpleCompiler();
sc.cook(
""
+ "package test;\n"
+ "public class Top extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class Inner {\n"
+ " public int get() {\n"
+ " return var;\n"
+ " }\n"
+ " } \n"
+ "}"
);
}
@Test @Ignore("Known failure - JANINO-113") public void
testProtectedAccessWithinPackage() throws Exception {
ISimpleCompiler sc = this.compilerFactory.newSimpleCompiler();
sc.cook(
""
+ "package for_sandbox_tests;\n"
+ "public class Top extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class Inner {\n"
+ " public int get() {\n"
+ " return var;\n"
+ " }\n"
+ " public void set() {\n"
+ " var += 10;\n"
+ " }\n"
+ " public int getS() {\n"
+ " return svar;\n"
+ " }\n"
+ " public void setS() {\n"
+ " svar += 10;\n"
+ " }\n"
+ " } \n"
+ " public Inner createInner() {\n"
+ " return new Inner();\n"
+ " }\n"
+ "}"
);
final Class<?> topClass = sc.getClassLoader().loadClass("for_sandbox_tests.Top");
final Method createInner = topClass.getDeclaredMethod("createInner", new Class[0]);
final Object t = topClass.newInstance();
final Object i = createInner.invoke(t, new Object[0]);
final Class<?> innerClass = sc.getClassLoader().loadClass("for_sandbox_tests.Top$Inner");
final Method get = innerClass.getDeclaredMethod("get", new Class[0]);
final Method getS = innerClass.getDeclaredMethod("getS", new Class[0]);
final Method set = innerClass.getDeclaredMethod("set", new Class[0]);
final Method setS = innerClass.getDeclaredMethod("setS", new Class[0]);
Object res;
{ // non-static
res = get.invoke(i, new Object[0]);
Assert.assertEquals(1, res);
set.invoke(i, new Object[0]);
res = get.invoke(i, new Object[0]);
Assert.assertEquals(11, res);
}
{ //static
res = getS.invoke(i, new Object[0]);
Assert.assertEquals(2, res);
setS.invoke(i, new Object[0]);
res = getS.invoke(i, new Object[0]);
Assert.assertEquals(12, res);
}
}
@Test @Ignore("Known failure - JANINO-113") public void
testComplicatedSyntheticAccess() throws Exception {
ISimpleCompiler sc = this.compilerFactory.newSimpleCompiler();
sc.cook(
""
+ "package for_sandbox_tests;\n"
+ "public class L0 extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class L1 extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class L2 extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class Inner {\n"
+ " public int getL2() { return L0.L1.L2.this.var; }\n"
+ " public int getL1() { return L0.L1.this.var; }\n"
+ " public int getL0() { return L0.this.var; }\n"
+ " public int setL2() { return L2.this.var = 2; }\n"
+ " public int setL1() { return L1.this.var = 1; }\n"
+ " public int setL0() { return L0.this.var = 0; }\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ " public L0.L1.L2.Inner createInner() {\n"
+ " return new L0().new L1().new L2().new Inner();\n"
+ " }\n"
+ "}"
);
Class<?> topClass = sc.getClassLoader().loadClass("for_sandbox_tests.L0");
Method createInner = topClass.getDeclaredMethod("createInner", new Class[0]);
Object t = topClass.newInstance();
Object inner = createInner.invoke(t, new Object[0]);
Class<?> innerClass = inner.getClass();
Method[] gets = new Method[] {
innerClass.getMethod("getL0", new Class[0]),
innerClass.getMethod("getL1", new Class[0]),
innerClass.getMethod("getL2", new Class[0]),
};
Method[] sets = new Method[] {
innerClass.getMethod("setL0", new Class[0]),
innerClass.getMethod("setL1", new Class[0]),
innerClass.getMethod("setL2", new Class[0]),
};
for (int i = 0; i < 3; ++i) {
Object g1 = gets[i].invoke(inner, new Object[0]);
Assert.assertEquals(1, g1);
Object s1 = sets[i].invoke(inner, new Object[0]);
Assert.assertEquals(i, s1);
Object g2 = gets[i].invoke(inner, new Object[0]);
Assert.assertEquals(i, g2);
}
}
@Test @Ignore("Known failure - JANINO-113") public void
testStaticInitAccessProtected() throws Exception {
ISimpleCompiler sc = this.compilerFactory.newSimpleCompiler();
sc.cook(
""
+ "package test;\n"
+ "public class Outer extends for_sandbox_tests.ProtectedVariable {\n"
+ " public class Inner {\n"
+ " {\n"
+ " int t = var;\n"
+ " var = svar;\n"
+ " svar = t;\n"
+ " }\n"
+ " private final int i = var;\n"
+ " private final int j = svar;\n"
+ " {\n"
+ " int t = var;\n"
+ " var = svar;\n"
+ " svar = t;\n"
+ " }\n"
+ " private final int[] a = new int[] { i, j };\n"
+ " }\n"
+ " public Inner createInner() {\n"
+ " return new Inner();\n"
+ " }\n"
+ "}"
);
Class<?> topClass = sc.getClassLoader().loadClass("test.Outer");
Method createInner = topClass.getDeclaredMethod("createInner", new Class[0]);
Object t = topClass.newInstance();
Assert.assertNotNull(t);
Object inner = createInner.invoke(t, new Object[0]);
Assert.assertNotNull(inner);
}
}