Basic test implementation

build.zig

@@ -130,6 +130,20 @@ pub fn build(b: *std.Build) void {
         run_cmd.addArgs(args);
     }
 
+    const tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/test.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "raylib", .module = raylib },
+            },
+        }),
+    });
+
+    tests.root_module.linkLibrary(raylib_artifact);
+    const run_tests = b.addRunArtifact(tests);
+
     // Creates an executable that will run `test` blocks from the provided module.
     // Here `mod` needs to define a target, which is why earlier we made sure to
     // set the releative field.
@@ -156,6 +170,7 @@ pub fn build(b: *std.Build) void {
     const test_step = b.step("test", "Run tests");
     // test_step.dependOn(&run_mod_tests.step);
     test_step.dependOn(&run_exe_tests.step);
+    test_step.dependOn(&run_tests.step);
 
     // Just like flags, top level steps are also listed in the `--help` menu.
     //