1 files changed, 44 insertions, 0 deletions
diff --git a/base/test/android/javatests/src/org/chromium/base/test/util/Matchers.java b/base/test/android/javatests/src/org/chromium/base/test/util/Matchers.java
new file mode 100644
index 0000000000..fc9d68907b
--- /dev/null
+++ b/base/test/android/javatests/src/org/chromium/base/test/util/Matchers.java
@@ -0,0 +1,44 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base.test.util;
+
+import org.hamcrest.CoreMatchers;
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+/**
+ * Helper class containing Hamcrest matchers.
+ */
+public class Matchers extends CoreMatchers {
+    private static class GreaterThanOrEqualTo<T extends Comparable<T>>
+            extends TypeSafeMatcher<T> {
+
+        private final T mComparisonValue;
+
+        public GreaterThanOrEqualTo(T comparisonValue) {
+            mComparisonValue = comparisonValue;
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText("greater than or equal to ").appendValue(mComparisonValue);
+        }
+
+        @Override
+        protected boolean matchesSafely(T item) {
+            return item.compareTo(mComparisonValue) >= 0;
+        }
+    }
+
+    /**
+     * @param <T> A Comparable type.
+     * @param comparisonValue The value to be compared against.
+     * @return A matcher that expects the value to be greater than the |comparisonValue|.
+     */
+    public static <T extends Comparable<T>> Matcher<T> greaterThanOrEqualTo(T comparisonValue) {
+        return new GreaterThanOrEqualTo<>(comparisonValue);
+    }
+}