Mercurial > hg > truffle
diff graal/com.oracle.jvmci.debug.test/src/com/oracle/jvmci/debug/test/DebugHistogramTest.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 26 May 2015 23:21:15 +0200 |
parents | graal/com.oracle.graal.debug.test/src/com/oracle/graal/debug/test/DebugHistogramTest.java@0ba1a6745070 |
children | f5b549811bac |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.debug.test/src/com/oracle/jvmci/debug/test/DebugHistogramTest.java Tue May 26 23:21:15 2015 +0200 @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2013, 2013, 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.jvmci.debug.test; + +import java.io.*; + +import org.junit.*; + +import com.oracle.jvmci.debug.*; +import com.oracle.jvmci.debug.internal.*; + + +public class DebugHistogramTest { + + @Test + public void testEmptyHistogram() { + DebugHistogram histogram = Debug.createHistogram("TestHistogram"); + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + + new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram); + String line = outputStream.toString().split("\r?\n")[0]; + Assert.assertEquals("TestHistogram is empty.", line); + + outputStream.reset(); + new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram); + Assert.assertEquals("", outputStream.toString()); + } + + @Test + public void testSingleEntryHistogram() { + DebugHistogram histogram = Debug.createHistogram("TestHistogram"); + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + histogram.add(new Integer(1)); + histogram.add(new Integer(1)); + new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram); + String[] lines = outputStream.toString().split("\r?\n"); + // @formatter:off + String[] expected = { + "TestHistogram has 1 unique elements and 2 total elements:", + "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------", + "| 1 | 2 | ==================================================================================================== |", + "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------" + }; + // @formatter:on + Assert.assertArrayEquals(expected, lines); + + outputStream.reset(); + new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram); + lines = outputStream.toString().split("\r?\n"); + // @formatter:off + expected = new String[] { + "TestHistogram <- c(2);", + "names(TestHistogram) <- c(\"1\");" + }; + // @formatter:on + Assert.assertArrayEquals(expected, lines); + } + + @Test + public void testMultipleEntryHistogram() { + DebugHistogram histogram = Debug.createHistogram("TestHistogram"); + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + histogram.add(new Integer(1)); + histogram.add(new Integer(2)); + histogram.add(new Integer(2)); + new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram); + String[] lines = outputStream.toString().split("\r?\n"); + // @formatter:off + String[] expected = new String[] { + "TestHistogram has 2 unique elements and 3 total elements:", + "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------", + "| 2 | 2 | ==================================================================================================== |", + "| 1 | 1 | ================================================== |", + "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------" + }; + // @formatter:on + Assert.assertArrayEquals(expected, lines); + + outputStream.reset(); + new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram); + lines = outputStream.toString().split("\r?\n"); + // @formatter:off + expected = new String[] { + "TestHistogram <- c(2, 1);", + "names(TestHistogram) <- c(\"2\", \"1\");" + }; + // @formatter:on + Assert.assertArrayEquals(expected, lines); + } + + @Test + public void testTooLongValueString() { + DebugHistogram histogram = Debug.createHistogram("TestHistogram"); + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + histogram.add("MyCustomValue"); + new DebugHistogramAsciiPrinter(new PrintStream(outputStream), Integer.MAX_VALUE, 10, 10, 1).print(histogram); + String[] lines = outputStream.toString().split("\r?\n"); + Assert.assertEquals(4, lines.length); + Assert.assertEquals("TestHistogram has 1 unique elements and 1 total elements:", lines[0]); + Assert.assertEquals("----------------------------------------", lines[1]); + Assert.assertEquals("| MyCusto... | 1 | ========== |", lines[2]); + Assert.assertEquals("----------------------------------------", lines[3]); + } +}