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git-svn-id: https://zxing.googlecode.com/svn/trunk@4 59b500cc-1b3d-0410-9834-0bbf25fbcc57

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srowen 2007-10-23 19:09:44 +00:00
parent a5496d25bb
commit 47b9748d75
2 changed files with 0 additions and 178 deletions
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122
test/src/com/google/zxing/qrcode/decoder/DataMaskTestCase.java
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@ -1,122 +0,0 @@
/*
* Copyright 2007 Google 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.google.zxing.qrcode.decoder;
import com.google.zxing.common.BitMatrix;
import junit.framework.TestCase;
import junit.textui.TestRunner;
/**
* @author Sean Owen
*/
public final class DataMaskTestCase extends TestCase {
public void testMask0() {
testMaskAcrossDimensions(0, new MaskCondition() {
public boolean isMasked(int i, int j) {
return (i + j) % 2 == 0;
}
});
}
public void testMask1() {
testMaskAcrossDimensions(1, new MaskCondition() {
public boolean isMasked(int i, int j) {
return i % 2 == 0;
}
});
}
public void testMask2() {
testMaskAcrossDimensions(2, new MaskCondition() {
public boolean isMasked(int i, int j) {
return j % 3 == 0;
}
});
}
public void testMask3() {
testMaskAcrossDimensions(3, new MaskCondition() {
public boolean isMasked(int i, int j) {
return (i + j) % 3 == 0;
}
});
}
public void testMask4() {
testMaskAcrossDimensions(4, new MaskCondition() {
public boolean isMasked(int i, int j) {
return (i/2 + j/3) % 2 == 0;
}
});
}
public void testMask5() {
testMaskAcrossDimensions(5, new MaskCondition() {
public boolean isMasked(int i, int j) {
return (i*j) % 2 + (i*j) % 3 == 0;
}
});
}
public void testMask6() {
testMaskAcrossDimensions(6, new MaskCondition() {
public boolean isMasked(int i, int j) {
return ((i*j) % 2 + (i*j) % 3) % 2 == 0;
}
});
}
public void testMask7() {
testMaskAcrossDimensions(7, new MaskCondition() {
public boolean isMasked(int i, int j) {
return ((i+j) % 2 + (i*j) % 3) % 2 == 0;
}
});
}
private void testMaskAcrossDimensions(int reference,
MaskCondition condition) {
DataMask mask = DataMask.forReference(reference);
for (int version = 1; version <= 40; version++) {
int dimension = 17 + 4*version;
testMask(mask, dimension, condition);
}
}
private void testMask(DataMask mask, int dimension, MaskCondition condition) {
BitMatrix bits = new BitMatrix(dimension);
mask.unmaskBitMatrix(bits.getBits(), dimension);
for (int i = 0; i < dimension; i++) {
for (int j = 0; j < dimension; j++) {
assertEquals(
"(" + i + ',' + j + ')',
condition.isMasked(i, j),
bits.get(i, j));
}
}
}
private static interface MaskCondition {
boolean isMasked(int i, int j);
}
public static void main(String[] args) {
TestRunner.run(new DataMaskTestCase());
}
}

56
test/src/com/google/zxing/qrcode/decoder/FormatInformationTestCase.java
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@ -1,56 +0,0 @@
/*
* Copyright 2007 Google 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.google.zxing.qrcode.decoder;
import junit.framework.TestCase;
import junit.textui.TestRunner;
/**
* @author Sean Owen
*/
public final class FormatInformationTestCase extends TestCase {
public void testBitsDiffering() {
assertEquals(0, FormatInformation.numBitsDiffering(1, 1));
assertEquals(1, FormatInformation.numBitsDiffering(0, 2));
assertEquals(2, FormatInformation.numBitsDiffering(1, 2));
assertEquals(32, FormatInformation.numBitsDiffering(-1,0));
}
public void testDecode() {
// Normal case
FormatInformation expected =
FormatInformation.decodeFormatInformation(0x2BED ^ 0x5412);
assertEquals((byte) 0x07, expected.getDataMask());
assertEquals(ErrorCorrectionLevel.Q, expected.getErrorCorrectionLevel());
// where the code forgot the mask!
assertEquals(expected, FormatInformation.decodeFormatInformation(0x2BED));
// 1,2,3,4 bits difference
assertEquals(expected, FormatInformation.decodeFormatInformation(
0x2BEF ^ 0x5412));
assertEquals(expected, FormatInformation.decodeFormatInformation(
0x2BEE ^ 0x5412));
assertEquals(expected, FormatInformation.decodeFormatInformation(
0x2BEA ^ 0x5412));
assertNull(FormatInformation.decodeFormatInformation(0x2BE2 ^ 0x5412));
}
public static void main(String[] args) {
TestRunner.run(new DataMaskTestCase());
}
}