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DigestUtils processes InputStream with buffered read instead of full copy

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Issue: SPR-14427
This commit is contained in:
Juergen Hoeller
2016-07-08 12:20:49 +02:00
parent 2bf9bc312e
commit 61db8e9f1e
2 changed files with 38 additions and 15 deletions
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32
spring-core/src/test/java/org/springframework/util/DigestUtilsTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -16,6 +16,8 @@
package org.springframework.util;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.junit.Before;
@@ -25,6 +27,7 @@ import static org.junit.Assert.*;
/**
* @author Arjen Poutsma
* @author Juergen Hoeller
*/
public class DigestUtilsTests {
@@ -38,24 +41,39 @@ public class DigestUtilsTests {
@Test
public void md5() {
byte[] result = DigestUtils.md5Digest(bytes);
public void md5() throws IOException {
byte[] expected = new byte[]
{-0x4f, 0xa, -0x73, -0x4f, 0x64, -0x20, 0x75, 0x41, 0x5, -0x49, -0x57, -0x65, -0x19, 0x2e, 0x3f, -0x1b};
byte[] result = DigestUtils.md5Digest(bytes);
assertArrayEquals("Invalid hash", expected, result);
result = DigestUtils.md5Digest(new ByteArrayInputStream(bytes));
assertArrayEquals("Invalid hash", expected, result);
}
@Test
public void md5Hex() throws UnsupportedEncodingException {
public void md5Hex() throws IOException {
String expected = "b10a8db164e0754105b7a99be72e3fe5";
String hash = DigestUtils.md5DigestAsHex(bytes);
assertEquals("Invalid hash", "b10a8db164e0754105b7a99be72e3fe5", hash);
assertEquals("Invalid hash", expected, hash);
hash = DigestUtils.md5DigestAsHex(new ByteArrayInputStream(bytes));
assertEquals("Invalid hash", expected, hash);
}
@Test
public void md5StringBuilder() throws UnsupportedEncodingException {
public void md5StringBuilder() throws IOException {
String expected = "b10a8db164e0754105b7a99be72e3fe5";
StringBuilder builder = new StringBuilder();
DigestUtils.appendMd5DigestAsHex(bytes, builder);
assertEquals("Invalid hash", "b10a8db164e0754105b7a99be72e3fe5", builder.toString());
assertEquals("Invalid hash", expected, builder.toString());
builder = new StringBuilder();
DigestUtils.appendMd5DigestAsHex(new ByteArrayInputStream(bytes), builder);
assertEquals("Invalid hash", expected, builder.toString());
}
}