126 lines
4.3 KiB
Java
126 lines
4.3 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.ahat;
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import com.android.tools.perflib.heap.Instance;
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import java.io.IOException;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNull;
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import org.junit.Test;
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public class InstanceUtilsTest {
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@Test
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public void asStringBasic() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("basicString");
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assertEquals("hello, world", InstanceUtils.asString(str));
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}
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@Test
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public void asStringCharArray() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("charArray");
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assertEquals("char thing", InstanceUtils.asString(str));
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}
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@Test
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public void asStringTruncated() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("basicString");
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assertEquals("hello", InstanceUtils.asString(str, 5));
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}
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@Test
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public void asStringCharArrayTruncated() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("charArray");
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assertEquals("char ", InstanceUtils.asString(str, 5));
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}
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@Test
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public void asStringExactMax() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("basicString");
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assertEquals("hello, world", InstanceUtils.asString(str, 12));
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}
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@Test
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public void asStringCharArrayExactMax() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("charArray");
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assertEquals("char thing", InstanceUtils.asString(str, 10));
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}
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@Test
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public void asStringNotTruncated() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("basicString");
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assertEquals("hello, world", InstanceUtils.asString(str, 50));
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}
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@Test
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public void asStringCharArrayNotTruncated() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("charArray");
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assertEquals("char thing", InstanceUtils.asString(str, 50));
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}
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@Test
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public void asStringNegativeMax() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("basicString");
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assertEquals("hello, world", InstanceUtils.asString(str, -3));
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}
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@Test
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public void asStringCharArrayNegativeMax() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance str = (Instance)dump.getDumpedThing("charArray");
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assertEquals("char thing", InstanceUtils.asString(str, -3));
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}
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@Test
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public void asStringNull() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance obj = (Instance)dump.getDumpedThing("nullString");
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assertNull(InstanceUtils.asString(obj));
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}
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@Test
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public void asStringNotString() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance obj = (Instance)dump.getDumpedThing("anObject");
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assertNotNull(obj);
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assertNull(InstanceUtils.asString(obj));
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}
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@Test
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public void basicReference() throws IOException {
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TestDump dump = TestDump.getTestDump();
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Instance pref = (Instance)dump.getDumpedThing("aPhantomReference");
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Instance wref = (Instance)dump.getDumpedThing("aWeakReference");
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Instance referent = (Instance)dump.getDumpedThing("anObject");
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assertNotNull(pref);
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assertNotNull(wref);
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assertNotNull(referent);
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assertEquals(referent, InstanceUtils.getReferent(pref));
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assertEquals(referent, InstanceUtils.getReferent(wref));
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assertNull(InstanceUtils.getReferent(referent));
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}
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}
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