From 69385f7df4e678bbd8a04825b4ea2020f66190bc Mon Sep 17 00:00:00 2001
From: JoostK <joost.koehoorn@gmail.com>
Date: Tue, 19 Jan 2021 22:26:33 +0100
Subject: [PATCH] test(core): verify that token IDs that exceed the bloom
 filter size are handled correctly (#40489)

This commits adds additional expectations to verify that the bloom
filter is able to correctly handle token IDs that exceed the size of
the bloom filter (which is currently 256 bits).

PR Close #40489
---
 packages/core/test/render3/di_spec.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/core/test/render3/di_spec.ts b/packages/core/test/render3/di_spec.ts
index fe97b4d767d..64d20d865f0 100644
--- a/packages/core/test/render3/di_spec.ts
+++ b/packages/core/test/render3/di_spec.ts
@@ -182,6 +182,9 @@ describe('di', () => {
       class Dir231 {
         /** @internal */ static __NG_ELEMENT_ID__ = 231;
       }
+      class Dir260 {
+        /** @internal */ static __NG_ELEMENT_ID__ = 260;
+      }
 
       it('should add values', () => {
         bloomAdd(0, mockTView, Dir0);
@@ -200,6 +203,8 @@ describe('di', () => {
         expect(bloomState()).toEqual([0, 64, 32, 16, 8, 4, 2, 1]);
         bloomAdd(0, mockTView, Dir231);
         expect(bloomState()).toEqual([128, 64, 32, 16, 8, 4, 2, 1]);
+        bloomAdd(0, mockTView, Dir260);
+        expect(bloomState()).toEqual([128, 64, 32, 16, 8, 4, 2, 17 /* 1 + 2^(260-256) */]);
       });
 
       it('should query values', () => {
@@ -211,6 +216,7 @@ describe('di', () => {
         bloomAdd(0, mockTView, Dir165);
         bloomAdd(0, mockTView, Dir198);
         bloomAdd(0, mockTView, Dir231);
+        bloomAdd(0, mockTView, Dir260);
 
         expect(bloomHasToken(bloomHash(Dir0) as number, 0, mockTView.data)).toEqual(true);
         expect(bloomHasToken(bloomHash(Dir1) as number, 0, mockTView.data)).toEqual(false);
@@ -221,6 +227,7 @@ describe('di', () => {
         expect(bloomHasToken(bloomHash(Dir165) as number, 0, mockTView.data)).toEqual(true);
         expect(bloomHasToken(bloomHash(Dir198) as number, 0, mockTView.data)).toEqual(true);
         expect(bloomHasToken(bloomHash(Dir231) as number, 0, mockTView.data)).toEqual(true);
+        expect(bloomHasToken(bloomHash(Dir260) as number, 0, mockTView.data)).toEqual(true);
       });
     });
   });