1 files changed, 34 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb b/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb
new file mode 100644
index 0000000000..a3fef50d54
--- /dev/null
+++ b/test/rubygems/test_gem_ext_cargo_builder_link_flag_converter.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require_relative "helper"
+require "rubygems/ext"
+require "rubygems/ext/cargo_builder/link_flag_converter"
+
+class TestGemExtCargoBuilderLinkFlagConverter < Gem::TestCase
+  CASES = {
+    test_search_path_basic: ["-L/usr/local/lib", ["-L", "native=/usr/local/lib"]],
+    test_search_path_space: ["-L /usr/local/lib", ["-L", "native=/usr/local/lib"]],
+    test_search_path_space_in_path: ["-L/usr/local/my\ lib", ["-L", "native=/usr/local/my\ lib"]],
+    test_simple_lib: ["-lfoo", ["-l", "foo"]],
+    test_lib_with_nonascii: ["-lws2_32", ["-l", "ws2_32"]],
+    test_simple_lib_space: ["-l foo", ["-l", "foo"]],
+    test_verbose_lib_space: ["--library=foo", ["-l", "foo"]],
+    test_libstatic_with_colon: ["-l:libssp.a", ["-C", "link-args=-l:libssp.a"]],
+    test_libstatic_with_colon_space: ["-l :libssp.a", ["-C", "link-args=-l :libssp.a"]],
+    test_unconventional_lib_with_colon: ["-l:ssp.a", ["-C", "link-args=-l:ssp.a"]],
+    test_dylib_with_colon_space: ["-l :libssp.dylib", ["-C", "link-args=-l :libssp.dylib"]],
+    test_so_with_colon_space: ["-l :libssp.so", ["-C", "link-args=-l :libssp.so"]],
+    test_dll_with_colon_space: ["-l :libssp.dll", ["-C", "link-args=-l :libssp.dll"]],
+    test_framework: ["-F/some/path", ["-l", "framework=/some/path"]],
+    test_framework_space: ["-F /some/path", ["-l", "framework=/some/path"]],
+    test_non_lib_dash_l: ["test_rubygems_20220413-976-lemgf9/prefix", ["-C", "link-args=test_rubygems_20220413-976-lemgf9/prefix"]],
+  }.freeze
+
+  CASES.each do |test_name, (arg, expected)|
+    raise "duplicate test name" if instance_methods.include?(test_name)
+
+    define_method(test_name) do
+      assert_equal(expected, Gem::Ext::CargoBuilder::LinkFlagConverter.convert(arg))
+    end
+  end
+end