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Diffstat (limited to 'tests/com/jsyn/data/TestShortSample.java')
-rw-r--r-- | tests/com/jsyn/data/TestShortSample.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tests/com/jsyn/data/TestShortSample.java b/tests/com/jsyn/data/TestShortSample.java new file mode 100644 index 0000000..3837c19 --- /dev/null +++ b/tests/com/jsyn/data/TestShortSample.java @@ -0,0 +1,78 @@ +/* + * Copyright 2009 Phil Burk, Mobileer Inc + * + * 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.jsyn.data; + +import junit.framework.TestCase; + +/** + * @author Phil Burk, (C) 2009 Mobileer Inc + */ +public class TestShortSample extends TestCase { + + @Override + protected void setUp() throws Exception { + super.setUp(); + } + + @Override + protected void tearDown() throws Exception { + super.tearDown(); + } + + public void testBytes() { + byte[] bar = { + 18, -3 + }; + short s = (short) ((bar[0] << 8) | (bar[1] & 0xFF)); + assertEquals("A", 0x12FD, s); + } + + public void testReadWrite() { + short[] data = { + 123, 456, -789, 111, 20000, -32768, 32767, 0, 9876 + }; + ShortSample sample = new ShortSample(data.length, 1); + assertEquals("Sample numFrames", data.length, sample.getNumFrames()); + + // Write and read entire sample. + sample.write(data); + short[] buffer = new short[data.length]; + sample.read(buffer); + + for (int i = 0; i < data.length; i++) { + assertEquals("read = write", data[i], buffer[i]); + } + + // Write and read part of an array. + short[] partial = { + 333, 444, 555, 666, 777 + }; + + sample.write(2, partial, 1, 3); + sample.read(1, buffer, 1, 5); + + for (int i = 0; i < data.length; i++) { + if ((i >= 2) && (i <= 4)) { + assertEquals("partial", partial[i - 1], buffer[i]); + } else { + assertEquals("read = write", data[i], buffer[i]); + } + } + + } + +} |