| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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.android.ahat; |
| |
| import com.android.tools.perflib.heap.Instance; |
| import java.io.IOException; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import org.junit.Test; |
| |
| public class InstanceUtilsTest { |
| @Test |
| public void asStringBasic() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("basicString"); |
| assertEquals("hello, world", InstanceUtils.asString(str)); |
| } |
| |
| @Test |
| public void asStringCharArray() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("charArray"); |
| assertEquals("char thing", InstanceUtils.asString(str)); |
| } |
| |
| @Test |
| public void asStringTruncated() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("basicString"); |
| assertEquals("hello", InstanceUtils.asString(str, 5)); |
| } |
| |
| @Test |
| public void asStringCharArrayTruncated() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("charArray"); |
| assertEquals("char ", InstanceUtils.asString(str, 5)); |
| } |
| |
| @Test |
| public void asStringExactMax() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("basicString"); |
| assertEquals("hello, world", InstanceUtils.asString(str, 12)); |
| } |
| |
| @Test |
| public void asStringCharArrayExactMax() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("charArray"); |
| assertEquals("char thing", InstanceUtils.asString(str, 10)); |
| } |
| |
| @Test |
| public void asStringNotTruncated() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("basicString"); |
| assertEquals("hello, world", InstanceUtils.asString(str, 50)); |
| } |
| |
| @Test |
| public void asStringCharArrayNotTruncated() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("charArray"); |
| assertEquals("char thing", InstanceUtils.asString(str, 50)); |
| } |
| |
| @Test |
| public void asStringNegativeMax() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("basicString"); |
| assertEquals("hello, world", InstanceUtils.asString(str, -3)); |
| } |
| |
| @Test |
| public void asStringCharArrayNegativeMax() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance str = (Instance)dump.getDumpedThing("charArray"); |
| assertEquals("char thing", InstanceUtils.asString(str, -3)); |
| } |
| |
| @Test |
| public void asStringNull() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance obj = (Instance)dump.getDumpedThing("nullString"); |
| assertNull(InstanceUtils.asString(obj)); |
| } |
| |
| @Test |
| public void asStringNotString() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| Instance obj = (Instance)dump.getDumpedThing("anObject"); |
| assertNotNull(obj); |
| assertNull(InstanceUtils.asString(obj)); |
| } |
| |
| @Test |
| public void basicReference() throws IOException { |
| TestDump dump = TestDump.getTestDump(); |
| |
| Instance pref = (Instance)dump.getDumpedThing("aPhantomReference"); |
| Instance wref = (Instance)dump.getDumpedThing("aWeakReference"); |
| Instance referent = (Instance)dump.getDumpedThing("anObject"); |
| assertNotNull(pref); |
| assertNotNull(wref); |
| assertNotNull(referent); |
| assertEquals(referent, InstanceUtils.getReferent(pref)); |
| assertEquals(referent, InstanceUtils.getReferent(wref)); |
| assertNull(InstanceUtils.getReferent(referent)); |
| } |
| } |