X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2FMatchers.java;fp=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2FMatchers.java;h=cdafcca9a07037aff38a6b19cf035161beb9f993;hb=7d95ecaebffebf59a2cc1109e3f98b9a79b21de7;hp=61cee46c1240676dcba8314f5d992363fb2e5c6e;hpb=3112dbc82b31381b0fa65fda1ee46b22e2172aa5;p=Sone.git

diff --git a/src/test/java/net/pterodactylus/sone/Matchers.java b/src/test/java/net/pterodactylus/sone/Matchers.java
index 61cee46..cdafcca 100644
--- a/src/test/java/net/pterodactylus/sone/Matchers.java
+++ b/src/test/java/net/pterodactylus/sone/Matchers.java
@@ -57,4 +57,42 @@ 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);
+			}
+		};
+	}
+
 }