Mercurial > hg > truffle
diff truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
---|---|
date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.java@62c43fcf5be2 |
children | dc83cc1f94f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.java Wed Jun 17 10:58:08 2015 +0200 @@ -0,0 +1,171 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.truffle.api.dsl.test; + +import static com.oracle.truffle.api.dsl.test.TestHelper.*; +import static org.junit.Assert.*; + +import org.junit.*; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.dsl.test.LimitTestFactory.ConstantLimitTestFactory; +import com.oracle.truffle.api.dsl.test.LimitTestFactory.DefaultLimit3TestFactory; +import com.oracle.truffle.api.dsl.test.LimitTestFactory.LocalLimitTestFactory; +import com.oracle.truffle.api.dsl.test.LimitTestFactory.MethodLimitTestFactory; +import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; + +@SuppressWarnings("unused") +public class LimitTest { + + @Test + public void testDefaultLimit3() { + CallTarget root = createCallTarget(DefaultLimit3TestFactory.getInstance()); + assertEquals(42, root.call(42)); + assertEquals(43, root.call(43)); + assertEquals(44, root.call(44)); + try { + root.call(45); + fail(); + } catch (UnsupportedSpecializationException e) { + } + } + + @NodeChild + static class DefaultLimit3Test extends ValueNode { + @Specialization(guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return cachedValue; + } + } + + @Test + public void testConstantLimit() { + CallTarget root = createCallTarget(ConstantLimitTestFactory.getInstance()); + assertEquals(42, root.call(42)); + assertEquals(43, root.call(43)); + try { + root.call(44); + fail(); + } catch (UnsupportedSpecializationException e) { + } + } + + @NodeChild + static class ConstantLimitTest extends ValueNode { + + public static final int LIMIT = 2; + + @Specialization(limit = "LIMIT", guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return cachedValue; + } + } + + @Test + public void testLocalLimit() { + CallTarget root = createCallTarget(LocalLimitTestFactory.getInstance()); + assertEquals(42, root.call(42)); + assertEquals(43, root.call(43)); + try { + root.call(44); + fail(); + } catch (UnsupportedSpecializationException e) { + } + } + + @NodeChild + static class LocalLimitTest extends ValueNode { + + protected int localLimit = 2; + + @Specialization(limit = "localLimit", guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return cachedValue; + } + } + + @Test + public void testMethodLimit() { + MethodLimitTest.invocations = 0; + CallTarget root = createCallTarget(MethodLimitTestFactory.getInstance()); + assertEquals(42, root.call(42)); + assertEquals(43, root.call(43)); + try { + root.call(44); + fail(); + } catch (UnsupportedSpecializationException e) { + } + assertEquals(3, MethodLimitTest.invocations); + } + + @NodeChild + static class MethodLimitTest extends ValueNode { + + static int invocations = 0; + + @Specialization(limit = "calculateLimitFor(cachedValue, invocations)", guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return cachedValue; + } + + int calculateLimitFor(int cachedValue, int boundField) { + invocations = boundField + 1; + return 2; + } + + } + + @NodeChild + static class LimitErrorTest1 extends ValueNode { + @ExpectError("The limit expression has no effect.%") + @Specialization(limit = "4") + static int do1(int value) { + return value; + } + } + + @NodeChild + static class LimitErrorTest2 extends ValueNode { + public static final Object CONSTANT = new Object(); + + @ExpectError("Incompatible return type Object. Limit expressions must return int.") + @Specialization(limit = "CONSTANT", guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return value; + } + } + + @NodeChild + static class LimitErrorTest3 extends ValueNode { + + public static final Object CONSTANT = new Object(); + + @ExpectError("Limit expressions must not bind dynamic parameter values.") + @Specialization(limit = "value", guards = "value == cachedValue") + static int do1(int value, @Cached("value") int cachedValue) { + return value; + } + } + +}