[DO-984] add-zlib-recipe (!4)

Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Reviewed-on: https://git.avroid.tech/Conan/conan_build/pulls/4

recipes/zlib/all/test_package/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES C)
+
+find_package(ZLIB REQUIRED)
+
+add_executable(${PROJECT_NAME} test_package.c)
+target_link_libraries(${PROJECT_NAME} PRIVATE ZLIB::ZLIB)

recipes/zlib/all/test_package/conanfile.py

@@ -0,0 +1,27 @@
+from conan import ConanFile
+from conan.tools.build import can_run, cross_building
+from conan.tools.cmake import CMake, cmake_layout
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeToolchain", "CMakeDeps", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        if not cross_building(self):
+            cmake = CMake(self)
+            cmake.configure()
+            cmake.build()
+
+    def test(self):
+        if can_run(self) and not cross_building(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/zlib/all/test_package/test_package.c

@@ -0,0 +1,32 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <zlib.h>
+
+int main(void) {
+    char buffer_in [32] = {"Conan Package Manager"};
+    char buffer_out [32] = {0};
+
+    z_stream defstream;
+    defstream.zalloc = Z_NULL;
+    defstream.zfree = Z_NULL;
+    defstream.opaque = Z_NULL;
+    defstream.avail_in = (uInt) strlen(buffer_in);
+    defstream.next_in = (Bytef *) buffer_in;
+    defstream.avail_out = (uInt) sizeof(buffer_out);
+    defstream.next_out = (Bytef *) buffer_out;
+
+    deflateInit(&defstream, Z_BEST_COMPRESSION);
+    deflate(&defstream, Z_FINISH);
+    deflateEnd(&defstream);
+
+    printf("Compressed size is: %lu\n", strlen(buffer_in));
+    printf("Compressed string is: %s\n", buffer_in);
+    printf("Compressed size is: %lu\n", strlen(buffer_out));
+    printf("Compressed string is: %s\n", buffer_out);
+
+    printf("ZLIB VERSION: %s\n", zlibVersion());
+
+    return EXIT_SUCCESS;
+}