1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/android/java/test/IncrementalJavacTest.java b/third_party/libwebrtc/build/android/java/test/IncrementalJavacTest.java
new file mode 100644
index 0000000000..c83178aa96
--- /dev/null
+++ b/third_party/libwebrtc/build/android/java/test/IncrementalJavacTest.java
@@ -0,0 +1,32 @@
+// Copyright 2021 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 test;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.annotation.Config;
+
+import org.chromium.base.test.BaseRobolectricTestRunner;
+
+/**
+ * Checks that build picked up changes to
+ * {@link NoSignatureChangeIncrementalJavacTestHelper#foo()}.
+ */
+@RunWith(BaseRobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public final class IncrementalJavacTest {
+    @Test
+    public void testNoSignatureChange() {
+        NoSignatureChangeIncrementalJavacTestHelper helper =
+                new NoSignatureChangeIncrementalJavacTestHelper();
+        // #foo() should return updated value.
+        assertEquals("foo2", helper.foo());
+
+        // #bar() should not crash.
+        assertEquals("bar", helper.bar());
+    }
+}