diff options
Diffstat (limited to 'core/src/test/java')
3 files changed, 70 insertions, 1 deletions
diff --git a/core/src/test/java/com/google/zxing/InvertedLuminanceSourceTestCase.java b/core/src/test/java/com/google/zxing/InvertedLuminanceSourceTestCase.java new file mode 100644 index 000000000..932a7e2ab --- /dev/null +++ b/core/src/test/java/com/google/zxing/InvertedLuminanceSourceTestCase.java @@ -0,0 +1,39 @@ +/* + * Copyright 2020 ZXing authors + * + * 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; + +import org.junit.Assert; +import org.junit.Test; + +import java.awt.image.BufferedImage; + +/** + * Tests {@link InvertedLuminanceSource}. + */ +public final class InvertedLuminanceSourceTestCase extends Assert { + + @Test + public void testInverted() { + BufferedImage image = new BufferedImage(2, 1, BufferedImage.TYPE_INT_RGB); + image.setRGB(0, 0, 0xFFFFFF); + LuminanceSource source = new BufferedImageLuminanceSource(image); + assertArrayEquals(new byte[] { (byte) 0xFF, 0 }, source.getRow(0, null)); + LuminanceSource inverted = new InvertedLuminanceSource(source); + assertArrayEquals(new byte[] { 0, (byte) 0xFF }, inverted.getRow(0, null)); + } + +} diff --git a/core/src/test/java/com/google/zxing/common/BitMatrixTestCase.java b/core/src/test/java/com/google/zxing/common/BitMatrixTestCase.java index 2aeca625b..b92705e3a 100644 --- a/core/src/test/java/com/google/zxing/common/BitMatrixTestCase.java +++ b/core/src/test/java/com/google/zxing/common/BitMatrixTestCase.java @@ -19,6 +19,8 @@ package com.google.zxing.common; import org.junit.Assert; import org.junit.Test; +import java.util.Arrays; + /** * @author Sean Owen * @author dswitkin@google.com (Daniel Switkin) @@ -227,6 +229,25 @@ public final class BitMatrixTestCase extends Assert { } @Test + public void testParseBoolean() { + BitMatrix emptyMatrix = new BitMatrix(3, 3); + BitMatrix fullMatrix = new BitMatrix(3, 3); + fullMatrix.setRegion(0, 0, 3, 3); + BitMatrix centerMatrix = new BitMatrix(3, 3); + centerMatrix.setRegion(1, 1, 1, 1); + BitMatrix emptyMatrix24 = new BitMatrix(2, 4); + + boolean[][] matrix = new boolean[3][3]; + assertEquals(emptyMatrix, BitMatrix.parse(matrix)); + matrix[1][1] = true; + assertEquals(centerMatrix, BitMatrix.parse(matrix)); + for (boolean[] arr : matrix) { + Arrays.fill(arr, true); + } + assertEquals(fullMatrix, BitMatrix.parse(matrix)); + } + + @Test public void testUnset() { BitMatrix emptyMatrix = new BitMatrix(3, 3); BitMatrix matrix = emptyMatrix.clone(); diff --git a/core/src/test/java/com/google/zxing/common/StringUtilsTestCase.java b/core/src/test/java/com/google/zxing/common/StringUtilsTestCase.java index 6440209b9..355586935 100644 --- a/core/src/test/java/com/google/zxing/common/StringUtilsTestCase.java +++ b/core/src/test/java/com/google/zxing/common/StringUtilsTestCase.java @@ -19,8 +19,9 @@ package com.google.zxing.common; import org.junit.Assert; import org.junit.Test; -import java.nio.charset.StandardCharsets; import java.nio.charset.Charset; +import java.nio.charset.StandardCharsets; +import java.util.Random; /** * Tests {@link StringUtils}. @@ -28,6 +29,14 @@ import java.nio.charset.Charset; public final class StringUtilsTestCase extends Assert { @Test + public void testRandom() { + Random r = new Random(1234L); + byte[] bytes = new byte[1000]; + r.nextBytes(bytes); + assertEquals(Charset.defaultCharset(), StringUtils.guessCharset(bytes, null)); + } + + @Test public void testShortShiftJIS1() { // 金魚 doTest(new byte[] { (byte) 0x8b, (byte) 0xe0, (byte) 0x8b, (byte) 0x9b, }, StringUtils.SHIFT_JIS_CHARSET, "SJIS"); |