add bzlmod support (#254)

test/.bazelrc

@@ -0,0 +1,2 @@
+import %workspace%/../.bazelrc
+

test/BUILD.bazel

@@ -0,0 +1,25 @@
+load("@rules_cc//cc:defs.bzl", "cc_test")
+load("@magic_enum//bazel:copts.bzl", "COPTS")
+
+# bazel central registry has a catch2 module, but is newer than the one included
+# in this repository
+cc_library(
+    name = "catch2",
+    includes = ["3rdparty/Catch2/include"],
+    hdrs = ["3rdparty/Catch2/include/catch2/catch.hpp"],
+    copts = COPTS,
+)
+
+_TESTS = [
+    "test",
+    "test_aliases",
+    "test_containers",
+    "test_flags",
+]
+
+[cc_test(
+    name = test,
+    srcs = ["{}.cpp".format(test)],
+    deps = ["@magic_enum", ":catch2"],
+    copts = COPTS,
+) for test in _TESTS]

test/MODULE.bazel

@@ -0,0 +1,7 @@
+module(name = "magic_enum_tests")
+
+bazel_dep(name = "magic_enum")
+bazel_dep(name = "platforms", version = "0.0.6")
+bazel_dep(name = "rules_cc", version = "0.0.6")
+
+local_path_override(module_name = "magic_enum", path = "..")