added deserialiser tests, fixed some bugs in deserialised

build.zig

@@ -33,7 +33,7 @@ pub fn build(b: *std.Build) void {
     // for actually invoking the compiler.
     const lib = b.addLibrary(.{
         .linkage = .static,
-        .name = "msgpack_zig",
+        .name = "msgpack",
         .root_module = lib_mod,
     });
 
@@ -47,12 +47,23 @@ pub fn build(b: *std.Build) void {
     const lib_unit_tests = b.addTest(.{
         .root_module = lib_mod,
     });
-
     const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
 
+    const tests_tests = b.addTest(.{
+        .root_source_file = b.path("tests/root.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    tests_tests.root_module.addImport("msgpack", lib.root_module);
+
+    const run_tests_tests = b.addRunArtifact(tests_tests);
+
     // Similar to creating the run step earlier, this exposes a `test` step to
     // the `zig build --help` menu, providing a way for the user to request
     // running the unit tests.
-    const test_step = b.step("test", "Run unit tests");
+    const test_step = b.step("test", "Run tests");
+
     test_step.dependOn(&run_lib_unit_tests.step);
+    test_step.dependOn(&run_tests_tests.step);
 }