[GN] migrate third_party/zlib:zip_unittests to GN

b/211924019

Change-Id: I13e4941c19d425c2d8d57603ad1f43200f9a56d3

third_party/zlib/BUILD.gn

@@ -412,7 +412,13 @@ static_library("minizip") {
     ":zlib",
   ]
 
-  if (!is_starboard) {
+  if (is_starboard) {
+    sources += [
+      "contrib/minizip/iostarboard.c",
+      "contrib/minizip/iostarboard.h",
+    ]
+    deps += [ "//starboard:starboard_headers_only" ]
+  } else {
     configs -= [ "//build/config/compiler:chromium_code" ]
   }
   configs += [
@@ -448,3 +454,52 @@ if (!is_starboard) {
     ]
   }
 }
+
+static_library("zip") {
+  sources = [
+    "google/zip.cc",
+    "google/zip.h",
+    "google/zip_internal.cc",
+    "google/zip_internal.h",
+    "google/zip_reader.cc",
+    "google/zip_reader.h",
+    "google/zip_writer.cc",
+    "google/zip_writer.h",
+  ]
+
+  deps = [
+    ":minizip",
+    "//base",
+  ]
+}
+
+target(gtest_target_type, "zip_unittests") {
+  testonly = true
+
+  sources = [
+    "google/compression_utils_unittest.cc",
+    "google/zip_reader_unittest.cc",
+    "google/zip_unittest.cc",
+    "google/compression_utils.cc",
+    "google/compression_utils.h",
+    "google/compression_utils_portable.cc",
+    "google/compression_utils_portable.h",
+  ]
+
+  deps = [
+    ":minizip",
+    ":zip",
+    ":zlib",
+    "//base/test:run_all_unittests",
+    "//base/test:test_support",
+    "//starboard/common",
+    "//testing/gmock",
+    "//testing/gtest",
+    "//third_party/zlib/google/test:zip_unittest_files",
+  ]
+
+  if (is_starboard) {
+    configs -= [ "//starboard/build/config:size" ]
+    configs += [ "//starboard/build/config:speed" ]
+  }
+}

third_party/zlib/google/test/BUILD.gn

@@ -0,0 +1,33 @@
+# Copyright 2021 The Cobalt Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+copy("zip_unittest_files") {
+  sources = [
+    "data/create_test_zip.sh",
+    "data/evil.zip",
+    "data/evil_via_absolute_file_name.zip",
+    "data/evil_via_invalid_utf8.zip",
+    "data/test.zip",
+    "data/test_encrypted.zip",
+    "data/test_mismatch_size.zip",
+    "data/test_nocompress.zip",
+    "data/test/foo.txt",
+    "data/test/foo/bar.txt",
+    "data/test/foo/bar/baz.txt",
+    "data/test/foo/bar/quux.txt",
+    "data/test/foo/bar/.hidden",
+  ]
+
+  outputs = [ "$root_build_dir/content/test/zlib/{{source_target_relative}}" ]
+}