X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2FMatchers.java;h=88732782cb3466bfc3fb3131077b8ca8df345bc4;hp=c08ffb1426df120afe348304462eec695e8d19bf;hb=8a6efbfb639dea6c707dfe26aafcb6c5029dda9a;hpb=1b9044499498acfd0f472a5a8ae353665a0fcd10

diff --git a/src/test/java/net/pterodactylus/sone/Matchers.java b/src/test/java/net/pterodactylus/sone/Matchers.java
index c08ffb1..8873278 100644
--- a/src/test/java/net/pterodactylus/sone/Matchers.java
+++ b/src/test/java/net/pterodactylus/sone/Matchers.java
@@ -20,6 +20,8 @@ package net.pterodactylus.sone;
 import static java.util.Arrays.asList;
 import static java.util.regex.Pattern.compile;
 
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
@@ -112,4 +114,42 @@ public class Matchers {
 		};
 	}
 
+	public static Matcher<InputStream> delivers(final byte[] data) {
+		return new TypeSafeMatcher<InputStream>() {
+			byte[] readData = new byte[data.length];
+
+			@Override
+			protected boolean matchesSafely(InputStream inputStream) {
+				int offset = 0;
+				try {
+					while (true) {
+						int r = inputStream.read();
+						if (r == -1) {
+							return offset == data.length;
+						}
+						if (offset == data.length) {
+							return false;
+						}
+						if (data[offset] != (readData[offset] = (byte) r)) {
+							return false;
+						}
+						offset++;
+					}
+				} catch (IOException ioe1) {
+					return false;
+				}
+			}
+
+			@Override
+			public void describeTo(Description description) {
+				description.appendValue(data);
+			}
+
+			@Override
+			protected void describeMismatchSafely(InputStream item, Description mismatchDescription) {
+				mismatchDescription.appendValue(readData);
+			}
+		};
+	}
+
 }