Add analysis test

MODULE.bazel

@@ -97,6 +97,7 @@ use_repo(compat, "compatibility_proxy")
 bazel_dep(name = "rules_pkg", version = "0.9.1", dev_dependency = True)
 bazel_dep(name = "stardoc", version = "0.7.1", dev_dependency = True)
 bazel_dep(name = "rules_shell", version = "0.2.0", dev_dependency = True)
+bazel_dep(name = "rules_testing", version = "0.7.0", dev_dependency = True)
 
 test_repositories = use_extension("//test:repositories.bzl", "test_repositories_ext", dev_dependency = True)
 use_repo(test_repositories, "guava", "truth")

WORKSPACE

@@ -53,6 +53,13 @@ load("@stardoc//:setup.bzl", "stardoc_repositories")
 
 stardoc_repositories()
 
+http_archive(
+    name = "rules_testing",
+    sha256 = "28c2d174471b587bf0df1fd3a10313f22c8906caf4050f8b46ec4648a79f90c3",
+    strip_prefix = "rules_testing-0.7.0",
+    url = "https://github.com/bazelbuild/rules_testing/releases/download/v0.7.0/rules_testing-v0.7.0.tar.gz",
+)
+
 load("//test:repositories.bzl", "test_repositories")
 
 test_repositories()

test/analysis/BUILD.bazel

@@ -0,0 +1,5 @@
+load(":bootclasspath_tests.bzl", "bootclasspath_tests")
+
+bootclasspath_tests(
+    name = "bootclasspath_tests",
+)

test/analysis/bootclasspath_tests.bzl

@@ -0,0 +1,25 @@
+"""Tests for the bootclasspath rule."""
+
+load("@rules_testing//lib:analysis_test.bzl", "analysis_test", "test_suite")
+load("@rules_testing//lib:truth.bzl", "subjects")
+
+def _test_utf_8_environment(name):
+    analysis_test(
+        name = name,
+        impl = _test_utf_8_environment_impl,
+        target = Label("//toolchains:platformclasspath"),
+    )
+
+def _test_utf_8_environment_impl(env, target):
+    for action in target.actions:
+        env_subject = env.expect.where(action = action).that_dict(action.env)
+        env_subject.keys().contains("LC_CTYPE")
+        env_subject.get("LC_CTYPE", factory = subjects.str).contains("UTF-8")
+
+def bootclasspath_tests(name):
+    test_suite(
+        name = name,
+        tests = [
+            _test_utf_8_environment,
+        ],
+    )