From 6bb8fe3f983cd0a2be76239df2124af633f0e05c Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Thu, 31 Mar 2016 12:08:02 +0100
Subject: Add evaluation of arrays to interpreter

---
 .../zwobble/couscous/tests/util/ExtraMatchers.java  | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'src/test/java/org/zwobble/couscous/tests/util/ExtraMatchers.java')

diff --git a/src/test/java/org/zwobble/couscous/tests/util/ExtraMatchers.java b/src/test/java/org/zwobble/couscous/tests/util/ExtraMatchers.java
index d79cb05..074e449 100644
--- a/src/test/java/org/zwobble/couscous/tests/util/ExtraMatchers.java
+++ b/src/test/java/org/zwobble/couscous/tests/util/ExtraMatchers.java
@@ -1,12 +1,13 @@
 package org.zwobble.couscous.tests.util;
 
-import org.hamcrest.Description;
-import org.hamcrest.DiagnosingMatcher;
-import org.hamcrest.FeatureMatcher;
-import org.hamcrest.Matcher;
+import org.hamcrest.*;
 
+import java.util.List;
 import java.util.function.Function;
 
+import static org.hamcrest.Matchers.equalTo;
+import static org.zwobble.couscous.util.ExtraLists.eagerMap;
+
 public class ExtraMatchers {
     public static <T, U> Matcher<T> isInstance(Class<U> type, Matcher<? super U> downcastMatcher) {
         return new DiagnosingMatcher<T>() {
@@ -51,4 +52,16 @@ public class ExtraMatchers {
             }
         };
     }
+
+    public static <T> Matcher<Iterable<? extends T>> containsExactly(List<Matcher<? super T>> matchers) {
+        if (matchers.isEmpty()) {
+            return Matchers.emptyIterable();
+        } else {
+            return Matchers.contains(matchers);
+        }
+    }
+
+    public static <T> Matcher<Iterable<? extends T>> containsExactElements(List<T> values) {
+        return containsExactly(eagerMap(values, value -> equalTo(value)));
+    }
 }
-- 
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