1 files changed, 66 insertions, 0 deletions
diff --git a/tests/common/src/com/android/tv/testing/ChannelNumberSubject.java b/tests/common/src/com/android/tv/testing/ChannelNumberSubject.java
new file mode 100644
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--- /dev/null
+++ b/tests/common/src/com/android/tv/testing/ChannelNumberSubject.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.tv.testing;
+
+import android.support.annotation.Nullable;
+import com.android.tv.data.ChannelNumber;
+import com.google.common.truth.ComparableSubject;
+import com.google.common.truth.FailureMetadata;
+import com.google.common.truth.Subject;
+import com.google.common.truth.Truth;
+
+/** Propositions for {@link ChannelNumber} subjects. */
+public final class ChannelNumberSubject
+        extends ComparableSubject<ChannelNumberSubject, ChannelNumber> {
+    private static final Subject.Factory<ChannelNumberSubject, ChannelNumber> FACTORY =
+            ChannelNumberSubject::new;
+
+    public static Subject.Factory<ChannelNumberSubject, ChannelNumber> channelNumbers() {
+        return FACTORY;
+    }
+
+    public static ChannelNumberSubject assertThat(@Nullable ChannelNumber actual) {
+        return Truth.assertAbout(channelNumbers()).that(actual);
+    }
+
+    public ChannelNumberSubject(FailureMetadata failureMetadata, @Nullable ChannelNumber subject) {
+        super(failureMetadata, subject);
+    }
+
+    public void displaysAs(int major) {
+        if (!getSubject().majorNumber.equals(Integer.toString(major))
+                || getSubject().hasDelimiter) {
+            fail("displaysAs", major);
+        }
+    }
+
+    public void displaysAs(int major, int minor) {
+        if (!getSubject().majorNumber.equals(Integer.toString(major))
+                || !getSubject().minorNumber.equals(Integer.toString(minor))
+                || !getSubject().hasDelimiter) {
+            fail("displaysAs", major + "-" + minor);
+        }
+    }
+
+    public void isEmpty() {
+        if (!getSubject().majorNumber.isEmpty()
+                || !getSubject().minorNumber.isEmpty()
+                || getSubject().hasDelimiter) {
+            fail("isEmpty");
+        }
+    }
+}