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authorAndreas Beeker <kiwiwings@apache.org>2021-03-27 14:03:16 +0000
committerAndreas Beeker <kiwiwings@apache.org>2021-03-27 14:03:16 +0000
commit37791e4bdfc706aa5684745594260f243b4be7ee (patch)
treea8dd8d0976fc478074d52cd3de79e0e6b5e6a33a /main/src/test/java/org/apache/poi/util/TestIntegerField.java
parent2bb3839bfe3e3bacff79f8157465633e311239ce (diff)
downloadpoi-37791e4bdfc706aa5684745594260f243b4be7ee.tar.gz
poi-37791e4bdfc706aa5684745594260f243b4be7ee.zip
65206 - Migrate ant / maven to gradle build
update gradle files and project structure along https://github.com/centic9/poi/tree/gradle_build remove eclipse IDE project files remove obsolete record generator files git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1888111 13f79535-47bb-0310-9956-ffa450edef68
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+/* ====================================================================
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You 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 org.apache.poi.util;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test IntegerField code
+ */
+final class TestIntegerField {
+
+ private static final int[] _test_array = {Integer.MIN_VALUE, -1, 0, 1, Integer.MAX_VALUE};
+
+ @Test
+ void testConstructors() {
+ assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1));
+ IntegerField field = new IntegerField(2);
+
+ assertEquals(0, field.get());
+ assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1, 1));
+ field = new IntegerField(2, 0x12345678);
+ assertEquals(0x12345678, field.get());
+
+ assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1, 1, new byte[ 6 ]));
+
+ byte[] array = new byte[ 6 ];
+ field = new IntegerField(2, 0x12345678, array);
+ assertEquals(0x12345678, field.get());
+ assertEquals(( byte ) 0x78, array[ 2 ]);
+ assertEquals(( byte ) 0x56, array[ 3 ]);
+ assertEquals(( byte ) 0x34, array[ 4 ]);
+ assertEquals(( byte ) 0x12, array[ 5 ]);
+
+ assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(2, 5, new byte[ 5 ]));
+
+ for (int element : _test_array) {
+ array = new byte[ 4 ];
+ new IntegerField(0, element, array);
+ assertEquals(element, new IntegerField(0, array).get());
+ }
+ }
+
+ @Test
+ void testSet() {
+ IntegerField field = new IntegerField(0);
+ byte[] array = new byte[ 4 ];
+
+ for (int j = 0; j < _test_array.length; j++) {
+ field.set(_test_array[ j ]);
+ assertEquals(_test_array[ j ], field.get(), "testing _1 " + j);
+ field = new IntegerField(0);
+ field.set(_test_array[ j ], array);
+ assertEquals(_test_array[ j ], field.get(), "testing _2 ");
+ assertEquals(( byte ) (_test_array[ j ] % 256), array[ 0 ], "testing _3.0 " + _test_array[ j ]);
+ assertEquals(( byte ) ((_test_array[ j ] >> 8) % 256), array[ 1 ], "testing _3.1 " + _test_array[ j ]);
+ assertEquals(( byte ) ((_test_array[ j ] >> 16) % 256), array[ 2 ], "testing _3.2 " + _test_array[ j ]);
+ assertEquals(( byte ) ((_test_array[ j ] >> 24) % 256), array[ 3 ], "testing _3.3 " + _test_array[ j ]);
+ }
+ }
+
+ @Test
+ void testReadFromBytes() {
+ IntegerField field1 = new IntegerField(1);
+ byte[] array = new byte[ 4 ];
+
+ assertThrows(ArrayIndexOutOfBoundsException.class, () -> field1.readFromBytes(array));
+ IntegerField field2 = new IntegerField(0);
+ for (int j = 0; j < _test_array.length; j++) {
+ array[ 0 ] = ( byte ) (_test_array[ j ] % 256);
+ array[ 1 ] = ( byte ) ((_test_array[ j ] >> 8) % 256);
+ array[ 2 ] = ( byte ) ((_test_array[ j ] >> 16) % 256);
+ array[ 3 ] = ( byte ) ((_test_array[ j ] >> 24) % 256);
+ field2.readFromBytes(array);
+ assertEquals(_test_array[ j ], field2.get(), "testing " + j);
+ }
+ }
+
+ @Test
+ void testReadFromStream() throws IOException {
+ IntegerField field = new IntegerField(0);
+ byte[] buffer = new byte[ _test_array.length * 4 ];
+
+ for (int j = 0; j < _test_array.length; j++) {
+ buffer[ (j * 4) + 0 ] = ( byte ) (_test_array[ j ] % 256);
+ buffer[ (j * 4) + 1 ] = ( byte ) ((_test_array[ j ] >> 8) % 256);
+ buffer[ (j * 4) + 2 ] = ( byte ) ((_test_array[ j ] >> 16) % 256);
+ buffer[ (j * 4) + 3 ] = ( byte ) ((_test_array[ j ] >> 24) % 256);
+ }
+ ByteArrayInputStream stream = new ByteArrayInputStream(buffer);
+
+ for (int j = 0; j < buffer.length / 4; j++) {
+ field.readFromStream(stream);
+ assertEquals(_test_array[ j ], field.get(), "Testing " + j);
+ }
+ }
+
+ @Test
+ void testWriteToBytes() {
+ IntegerField field = new IntegerField(0);
+ byte[] array = new byte[ 4 ];
+
+ for (int b : _test_array) {
+ field.set(b);
+ field.writeToBytes(array);
+ int val = array[ 3 ] << 24;
+
+ val &= 0xFF000000;
+ val += (array[ 2 ] << 16) & 0x00FF0000;
+ val += (array[ 1 ] << 8) & 0x0000FF00;
+ val += (array[ 0 ] & 0x000000FF);
+ assertEquals(b, val, "testing ");
+ }
+ }
+}