From a5fd5abe80ea5650bc0b638fc693884df5eaaa89 Mon Sep 17 00:00:00 2001
From: Tianjie Xu <xunchang@google.com>
Date: Tue, 18 Oct 2016 15:18:22 -0700
Subject: Add a unit test for applypatch_check

If no sha1 is specified, applypatch_check should pass as long as
the file content loads successfully. Add a unit case acccordingly.

Test: Unit tests passed
Bug: 32243751
Change-Id: I8c013be67c197d2935e11cf6acc59fb9b943cfd9
---
 tests/component/applypatch_test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/component/applypatch_test.cpp b/tests/component/applypatch_test.cpp
index 75f2e1014..908a9f5f5 100644
--- a/tests/component/applypatch_test.cpp
+++ b/tests/component/applypatch_test.cpp
@@ -200,6 +200,11 @@ std::vector<Value*> ApplyPatchFullTest::patches;
 TemporaryFile* ApplyPatchFullTest::output_f;
 std::string ApplyPatchFullTest::output_loc;
 
+TEST_F(ApplyPatchTest, CheckModeSkip) {
+    std::vector<std::string> sha1s;
+    ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
+}
+
 TEST_F(ApplyPatchTest, CheckModeSingle) {
     std::vector<std::string> sha1s = { old_sha1 };
     ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
-- 
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