From a63bf9fb2549b38c1272f4bf46125f777c0ae590 Mon Sep 17 00:00:00 2001
From: Kurt Alfred Kluever <kak@google.com>
Date: Wed, 1 Nov 2023 07:12:11 -0700
Subject: [PATCH] PUBLIC: Add a test demonstrating b/308614050 (bug with
 parameter casting).

PiperOrigin-RevId: 578507433
---
 .../bugpatterns/inlineme/InlinerTest.java     | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/core/src/test/java/com/google/errorprone/bugpatterns/inlineme/InlinerTest.java b/core/src/test/java/com/google/errorprone/bugpatterns/inlineme/InlinerTest.java
index ca15535c9db..d3af6550289 100644
--- a/core/src/test/java/com/google/errorprone/bugpatterns/inlineme/InlinerTest.java
+++ b/core/src/test/java/com/google/errorprone/bugpatterns/inlineme/InlinerTest.java
@@ -1228,6 +1228,48 @@ public void varArgs_b268215956() {
         .doTest();
   }
 
+  @Test
+  public void paramCast_b308614050() {
+    refactoringTestHelper
+        .addInputLines(
+            "Client.java",
+            "package com.google.foo;",
+            "import com.google.errorprone.annotations.InlineMe;",
+            "public final class Client {",
+            "  @InlineMe(",
+            "      replacement = \"Client.after(value.doubleValue())\",",
+            "      imports = {\"com.google.foo.Client\"})",
+            "  public static void before(Long value) {",
+            "    after(value.doubleValue());",
+            "  }",
+            "  public static void after(double value) {",
+            "    // do nothing",
+            "  }",
+            "}")
+        .expectUnchanged()
+        .addInputLines(
+            "Caller.java",
+            "import com.google.foo.Client;",
+            "public final class Caller {",
+            "  public void doTest() {",
+            "    Object value = 42L;",
+            "    Client.before((Long) value);",
+            "  }",
+            "}")
+        .addOutputLines(
+            "Caller.java",
+            "import com.google.foo.Client;",
+            "public final class Caller {",
+            "  public void doTest() {",
+            "    Object value = 42L;",
+            // TODO(b/308614050): this is a bug! you can't call doubleValue() on an Object!
+            "    Client.after((Long) value.doubleValue());",
+            "  }",
+            "}")
+        .allowBreakingChanges()
+        .doTest();
+  }
+
   private BugCheckerRefactoringTestHelper bugCheckerWithPrefixFlag(String prefix) {
     return BugCheckerRefactoringTestHelper.newInstance(Inliner.class, getClass())
         .setArgs("-XepOpt:" + PREFIX_FLAG + "=" + prefix);