1 files changed, 199 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/ext/globals_spec.c b/spec/ruby/optional/capi/ext/globals_spec.c
new file mode 100644
index 0000000000..0c28a7f8ab
--- /dev/null
+++ b/spec/ruby/optional/capi/ext/globals_spec.c
@@ -0,0 +1,199 @@
+#include "ruby.h"
+#include "rubyspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_RB_DEFINE_HOOKED_VARIABLE
+VALUE g_hooked_var;
+
+void var_2x_setter(VALUE val, ID id, VALUE *var) {
+    *var = INT2NUM(NUM2INT(val) * 2);
+}
+
+static VALUE sb_define_hooked_variable(VALUE self, VALUE var_name) {
+  rb_define_hooked_variable(StringValuePtr(var_name), &g_hooked_var, 0, var_2x_setter);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_READONLY_VARIABLE
+VALUE g_ro_var;
+
+static VALUE sb_define_readonly_variable(VALUE self, VALUE var_name, VALUE val) {
+  g_ro_var = val;
+  rb_define_readonly_variable(StringValuePtr(var_name), &g_ro_var);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_DEFINE_VARIABLE
+VALUE g_var;
+
+static VALUE sb_get_global_value(VALUE self) {
+  return g_var;
+}
+
+static VALUE sb_define_variable(VALUE self, VALUE var_name, VALUE val) {
+  g_var = val;
+  rb_define_variable(StringValuePtr(var_name), &g_var);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_F_GLOBAL_VARIABLES
+static VALUE sb_f_global_variables(VALUE self) {
+  return rb_f_global_variables();
+}
+#endif
+
+#ifdef HAVE_RB_GV_GET
+static VALUE sb_gv_get(VALUE self, VALUE var) {
+  return rb_gv_get(StringValuePtr(var));
+}
+#endif
+
+#ifdef HAVE_RB_GV_SET
+static VALUE sb_gv_set(VALUE self, VALUE var, VALUE val) {
+  return rb_gv_set(StringValuePtr(var), val);
+}
+#endif
+
+#ifdef HAVE_RB_STDIN
+static VALUE global_spec_rb_stdin(VALUE self) {
+  return rb_stdin;
+}
+#endif
+
+#ifdef HAVE_RB_STDOUT
+static VALUE global_spec_rb_stdout(VALUE self) {
+  return rb_stdout;
+}
+#endif
+
+#ifdef HAVE_RB_STDERR
+static VALUE global_spec_rb_stderr(VALUE self) {
+  return rb_stderr;
+}
+#endif
+
+#ifdef HAVE_RB_DEFOUT
+static VALUE global_spec_rb_defout(VALUE self) {
+  return rb_defout;
+}
+#endif
+
+#ifdef HAVE_RB_RS
+static VALUE global_spec_rb_rs(VALUE self) {
+  return rb_rs;
+}
+#endif
+
+#ifdef HAVE_RB_DEFAULT_RS
+static VALUE global_spec_rb_default_rs(VALUE self) {
+  return rb_default_rs;
+}
+#endif
+
+#ifdef HAVE_RB_OUTPUT_RS
+static VALUE global_spec_rb_output_rs(VALUE self) {
+  return rb_output_rs;
+}
+#endif
+
+#ifdef HAVE_RB_OUTPUT_FS
+static VALUE global_spec_rb_output_fs(VALUE self) {
+  return rb_output_fs;
+}
+#endif
+
+#ifdef HAVE_RB_LASTLINE_SET
+static VALUE global_spec_rb_lastline_set(VALUE self, VALUE line) {
+  rb_lastline_set(line);
+  return Qnil;
+}
+#endif
+
+#ifdef HAVE_RB_LASTLINE_GET
+static VALUE global_spec_rb_lastline_get(VALUE self) {
+  return rb_lastline_get();
+}
+#endif
+
+void Init_globals_spec(void) {
+  VALUE cls;
+  cls = rb_define_class("CApiGlobalSpecs", rb_cObject);
+
+#ifdef HAVE_RB_DEFINE_HOOKED_VARIABLE
+  g_hooked_var = Qnil;
+  rb_define_method(cls, "rb_define_hooked_variable_2x", sb_define_hooked_variable, 1);
+#endif
+
+#ifdef HAVE_RB_DEFINE_READONLY_VARIABLE
+  g_ro_var = Qnil;
+  rb_define_method(cls, "rb_define_readonly_variable", sb_define_readonly_variable, 2);
+#endif
+
+#ifdef HAVE_RB_DEFINE_VARIABLE
+  g_var = Qnil;
+  rb_define_method(cls, "rb_define_variable", sb_define_variable, 2);
+  rb_define_method(cls, "sb_get_global_value", sb_get_global_value, 0);
+#endif
+
+#ifdef HAVE_RB_F_GLOBAL_VARIABLES
+  rb_define_method(cls, "rb_f_global_variables", sb_f_global_variables, 0);
+#endif
+
+#ifdef HAVE_RB_GV_GET
+  rb_define_method(cls, "sb_gv_get", sb_gv_get, 1);
+#endif
+
+#ifdef HAVE_RB_GV_SET
+  rb_define_method(cls, "sb_gv_set", sb_gv_set, 2);
+#endif
+
+#ifdef HAVE_RB_STDIN
+  rb_define_method(cls, "rb_stdin", global_spec_rb_stdin, 0);
+#endif
+
+#ifdef HAVE_RB_STDOUT
+  rb_define_method(cls, "rb_stdout", global_spec_rb_stdout, 0);
+#endif
+
+#ifdef HAVE_RB_STDERR
+  rb_define_method(cls, "rb_stderr", global_spec_rb_stderr, 0);
+#endif
+
+#ifdef HAVE_RB_DEFOUT
+  rb_define_method(cls, "rb_defout", global_spec_rb_defout, 0);
+#endif
+
+#ifdef HAVE_RB_RS
+  rb_define_method(cls, "rb_rs", global_spec_rb_rs, 0);
+#endif
+
+#ifdef HAVE_RB_DEFAULT_RS
+  rb_define_method(cls, "rb_default_rs", global_spec_rb_default_rs, 0);
+#endif
+
+#ifdef HAVE_RB_OUTPUT_RS
+  rb_define_method(cls, "rb_output_rs", global_spec_rb_output_rs, 0);
+#endif
+
+#ifdef HAVE_RB_OUTPUT_FS
+  rb_define_method(cls, "rb_output_fs", global_spec_rb_output_fs, 0);
+#endif
+
+#ifdef HAVE_RB_LASTLINE_SET
+  rb_define_method(cls, "rb_lastline_set", global_spec_rb_lastline_set, 1);
+#endif
+
+#ifdef HAVE_RB_LASTLINE_GET
+  rb_define_method(cls, "rb_lastline_get", global_spec_rb_lastline_get, 0);
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif