From 618d488e3c5321bbcbcfdcfef636f841fdb9c527 Mon Sep 17 00:00:00 2001
From: Liam Miller-Cushon <cushon@google.com>
Date: Mon, 5 Feb 2024 15:23:33 -0800
Subject: [PATCH] Add another AndroidJdkLibsChecker regression test

PiperOrigin-RevId: 604449600
---
 .../apidiff/AndroidJdkLibsCheckerTest.java     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/core/src/test/java/com/google/errorprone/bugpatterns/apidiff/AndroidJdkLibsCheckerTest.java b/core/src/test/java/com/google/errorprone/bugpatterns/apidiff/AndroidJdkLibsCheckerTest.java
index a473f1eb9f5..2a5c2d4b8ed 100644
--- a/core/src/test/java/com/google/errorprone/bugpatterns/apidiff/AndroidJdkLibsCheckerTest.java
+++ b/core/src/test/java/com/google/errorprone/bugpatterns/apidiff/AndroidJdkLibsCheckerTest.java
@@ -225,4 +225,22 @@ public void newAndroidApi() {
             "}")
         .doTest();
   }
+
+  // Parallel streams are not supported by desugar, but are supported natively in 24+
+  // https://developer.android.com/reference/java/util/Collection#parallelStream()
+  @Test
+  public void parallelStream() {
+    compilationHelper
+        .addSourceLines(
+            "Test.java", //
+            "import java.util.Collection;",
+            "import java.util.stream.Stream;",
+            "public class Test {",
+            "  Stream<?> f(Collection<?> xs) {",
+            "    // BUG: Diagnostic contains:",
+            "    return xs.parallelStream().map(x -> x);",
+            "  }",
+            "}")
+        .doTest();
+  }
 }