Upgrade zlib to 7d77fb7fd66d8a5640618ad32c71fdeb7d3e02df

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/zlib
For more info, check https://cs.android.com/android/platform/superproject/+/main:tools/external_updater/README.md

Test: TreeHugger
Change-Id: I0b342eb36d05037da3013dd3c624b4cee7839cc5

2 files changed, 24 insertions, 4 deletions

diff --git a/METADATA b/METADATA
index 28e6d50..65435cc 100644
--- a/METADATA
+++ b/METADATA
@@ -9,11 +9,11 @@ third_party {
   last_upgrade_date {
     year: 2024
     month: 4
-    day: 9
+    day: 10
   }
   identifier {
     type: "Git"
     value: "https://chromium.googlesource.com/chromium/src/third_party/zlib/"
-    version: "37d9855c8db5a130571971e78fde2740314cd98a"
+    version: "7d77fb7fd66d8a5640618ad32c71fdeb7d3e02df"
   }
 }
diff --git a/contrib/tests/utils_unittest.cc b/contrib/tests/utils_unittest.cc
index 0cc1081..f487a06 100644
--- a/contrib/tests/utils_unittest.cc
+++ b/contrib/tests/utils_unittest.cc
@@ -20,7 +20,8 @@
 
 #include "zlib.h"
 
-void TestPayloads(size_t input_size, zlib_internal::WrapperType type) {
+void TestPayloads(size_t input_size, zlib_internal::WrapperType type,
+                  const int compression_level = Z_DEFAULT_COMPRESSION) {
   std::vector<unsigned char> input;
   input.reserve(input_size);
   for (size_t i = 1; i <= input_size; ++i)
@@ -36,7 +37,7 @@ void TestPayloads(size_t input_size, zlib_internal::WrapperType type) {
   unsigned long compressed_size = static_cast<unsigned long>(compressed.size());
   int result = zlib_internal::CompressHelper(
       type, compressed.data(), &compressed_size, input.data(), input.size(),
-      Z_DEFAULT_COMPRESSION, nullptr, nullptr);
+      compression_level, nullptr, nullptr);
   ASSERT_EQ(result, Z_OK);
 
   unsigned long decompressed_size =
@@ -67,6 +68,25 @@ TEST(ZlibTest, RawWrapper) {
     TestPayloads(i, zlib_internal::WrapperType::ZRAW);
 }
 
+TEST(ZlibTest, LargePayloads) {
+  static const size_t lengths[] = { 6000, 8000, 10'000, 15'000, 20'000, 30'000,
+                                    50'000, 100'000, 150'000, 2'500'000,
+                                    5'000'000, 10'000'000, 20'000'000 };
+
+  for (size_t length: lengths) {
+    TestPayloads(length, zlib_internal::WrapperType::ZLIB);
+    TestPayloads(length, zlib_internal::WrapperType::GZIP);
+  }
+}
+
+TEST(ZlibTest, CompressionLevels) {
+  static const int levels[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+  for (int level: levels) {
+    TestPayloads(5'000'000, zlib_internal::WrapperType::ZLIB, level);
+    TestPayloads(5'000'000, zlib_internal::WrapperType::GZIP, level);
+  }
+}
+
 TEST(ZlibTest, InflateCover) {
   cover_support();
   cover_wrap();