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https://github.com/OpenHFT/Chronicle-Map.git
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Check in the test for issue #63
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leventov
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/*
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* Copyright (C) 2015 higherfrequencytrading.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.openhft.chronicle.map;
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import org.junit.Test;
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import java.io.File;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import static org.junit.Assert.assertArrayEquals;
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public class Issue63Test {
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@Test
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public void issue63Test() throws Exception {
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Path path = Paths.get(System.getProperty("java.io.tmpdir") + "/test-vectors.dat");
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if (Files.exists(path)) Files.delete(path);
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File mapFile = path.toFile();
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mapFile.deleteOnExit();
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ChronicleMap<CharSequence, float[]> xVectors = ChronicleMap
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.of(CharSequence.class, float[].class)
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// use the actual UUID size
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.constantKeySizeBySample("2B6EC73CD63ACA5D93F4D5A710AD9CFE")
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.constantValueSizeBySample(new float[100])
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.putReturnsNull(true)
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.entries(10)
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.createPersistedTo(mapFile);
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float[] exp1 = new float[] {
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(float) -0.4200737, (float) -0.5428019, (float) 0.25542524, (float) -0.10631648,
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(float) 0.12206168, (float) 0.0411969, (float) 0.9899967, (float) 0.15887073,
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(float) -0.09775953, (float) 0.21812996, (float) -0.2724478, (float) 1.1872392,
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(float) -0.57449555, (float) 0.5036392, (float) 0.1658725, (float) 0.26468855,
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(float) -0.3454932, (float) 0.61344844, (float) -0.058357887, (float) 0.41589612,
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(float) -0.30034602, (float) -0.065557495, (float) -0.5450994, (float) 0.24787773,
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(float) -0.49933347, (float) -0.34362262, (float) -0.116148725, (float) 0.1267731,
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(float) -0.021314947, (float) 0.4289211, (float) 0.018796312, (float) 1.1027592,
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(float) 0.26406515, (float) -0.364442, (float) 0.032301463, (float) 0.7497238,
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(float) 0.022618806, (float) 0.44369924, (float) -0.3347779, (float) -0.21492186,
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(float) -0.16348012, (float) -0.07863602, (float) 0.22218524, (float) 0.13798094,
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(float) 0.9739758, (float) 0.18799895, (float) 0.16804655, (float) -0.94723654,
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(float) -0.09069447, (float) 1.0777866, (float) 0.45763463, (float) -0.99949086,
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(float) 0.1130747, (float) 1.1800445, (float) -0.7469727, (float) -1.480476,
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(float) 0.21458353, (float) 0.5420289, (float) 0.44423282, (float) -0.73524255,
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(float) -0.86806494, (float) 0.77911025, (float) 0.43587336, (float) 0.45608798,
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(float) -0.52584565, (float) 0.5979028, (float) 0.18747452, (float) -0.9211639,
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(float) 0.2969087, (float) -0.17334144, (float) -0.30227816, (float) 0.6624411,
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(float) -1.445531, (float) 0.068452656, (float) -0.54010916, (float) 0.7997881,
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(float) -1.1808084, (float) 1.0036258, (float) 0.23763403, (float) -0.95869386,
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(float) 0.2150584, (float) 0.16237195, (float) 0.35550624, (float) -0.59370506,
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(float) 0.977463, (float) -0.14227587, (float) -1.1346477, (float) -0.29077065,
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(float) -0.7924145, (float) -0.05505234, (float) -0.4519053, (float) 0.8662279,
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(float) 0.056166444, (float) -0.6824282, (float) -0.28487095, (float) -0.28058794,
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(float) -0.868858, (float) 0.4946002, (float) 0.61442167, (float) 0.70633507
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};
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float[] exp2 = new float[] {
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(float) -0.0043417793, (float) -0.004025369, (float) 1.8009785E-4,
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(float) 5.522854E-4, (float) -2.9725596E-4, (float) 0.0038219264,
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(float) 0.0057955547, (float) -0.0036915164, (float) 1.2905941E-5,
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(float) -0.0012608414, (float) 0.0075167217, (float) 1.2714228E-4,
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(float) 0.004510221, (float) -0.0030373763, (float) -0.0033150043,
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(float) -0.0027220408, (float) 0.0049406015, (float) 0.007475855,
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(float) -0.0039889063, (float) 5.387217E-4, (float) 3.014746E-4,
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(float) -0.0025138916, (float) -0.0014927724, (float) 0.0033432362,
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(float) 0.0027196375, (float) -0.001453709, (float) -0.004362245,
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(float) 0.0062709767, (float) 5.681349E-4, (float) 2.963205E-4, (float) 0.002127562,
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(float) -0.0025758513, (float) -0.0015946038, (float) 0.0020683268,
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(float) 0.004608029, (float) -0.006912731, (float) -0.003569094,
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(float) 0.0029314745, (float) -0.0044829296, (float) -0.004087928,
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(float) -3.7728698E-4, (float) -0.0040272907, (float) -0.006466153,
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(float) 2.1587547E-4, (float) -4.334211E-5, (float) 0.0013268286,
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(float) -1.1723964E-4, (float) 0.0017377065, (float) -0.009606785,
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(float) -0.0059685633, (float) 0.0061167465, (float) 0.00976628,
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(float) 0.0045020734, (float) 0.0072684726, (float) -0.002317661,
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(float) 0.0030898168, (float) 0.0013212592, (float) 0.0017718632,
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(float) 0.002785933, (float) 4.135881E-4, (float) -0.007407679,
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(float) -0.008016254, (float) -0.0015525677, (float) -5.22596E-4,
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(float) 0.003450544, (float) -1.4363142E-4, (float) -0.0055779675,
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(float) -0.002204401, (float) 3.5834382E-4, (float) -0.0043447977,
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(float) 0.0052861, (float) 0.0024472543, (float) 0.0019035664,
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(float) -0.0010579216, (float) 0.008568893, (float) -0.0025444124,
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(float) 0.0041700895, (float) 0.002440465, (float) -9.898118E-4,
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(float) -0.004972163, (float) 0.00445475, (float) 0.0028563882,
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(float) -6.568626E-4, (float) 0.0019806502, (float) 0.0021152704,
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(float) -8.9459366E-4, (float) -5.853446E-4, (float) 0.006775423,
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(float) -6.2033796E-5, (float) -0.0016326059, (float) 0.0028676696,
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(float) -0.0020935084, (float) 0.0012473571, (float) -0.00658647,
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(float) -2.9175522E-4, (float) -0.004172817, (float) -9.5688103E-4,
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(float) 0.0029572574, (float) 0.0013865299, (float) -0.001356384
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};
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String key1 = "A2E2CD3EEFF31AE7A2EC455D2D23F8B2";
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String key2 = "28C711B859926E05576CAF5084B4D66C";
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xVectors.put(key1, exp1);
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xVectors.put(key2, exp2);
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xVectors.close();
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ChronicleMap<CharSequence, float[]> xVectors2 = ChronicleMap
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.of(CharSequence.class, float[].class)
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// use the actual UUID size
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.constantKeySizeBySample("2B6EC73CD63ACA5D93F4D5A710AD9CFE")
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.constantValueSizeBySample(new float[100])
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.entries(10)
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.putReturnsNull(true)
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.recoverPersistedTo(mapFile, true);
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assertArrayEquals(exp1, xVectors2.get(key1), 0.0f);
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assertArrayEquals(exp2, xVectors2.get(key2), 0.0f);
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}
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}
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