Cronet: add testStatusListener

Test: none
Bug: 251012627
Change-Id: I3bf15342fe2623192f3ee037e63fdeab4359128b
diff --git a/Cronet/tests/cts/src/android/net/http/cts/util/TestStatusListener.kt b/Cronet/tests/cts/src/android/net/http/cts/util/TestStatusListener.kt
new file mode 100644
index 0000000..bcd9dd0
--- /dev/null
+++ b/Cronet/tests/cts/src/android/net/http/cts/util/TestStatusListener.kt
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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 android.net.http.cts.util
+
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.TimeUnit
+import org.chromium.net.UrlRequest.Status
+import org.chromium.net.UrlRequest.StatusListener
+import org.junit.Assert.assertSame
+
+private const val TIMEOUT_MS = 12000L
+
+/** Test status listener for requests */
+class TestStatusListener : StatusListener() {
+    private val statusFuture = CompletableFuture<Int>()
+
+    override fun onStatus(status: Int) {
+        statusFuture.complete(status)
+    }
+
+    /** Fails if the expected status is not the returned status */
+    fun expectStatus(expected: Status) {
+        assertSame(expected, statusFuture.get(TIMEOUT_MS, TimeUnit.MILLISECONDS))
+    }
+}