nunuhara_xsystem4/test/Source/lang.jaf

// -*-mode: C; coding: sjis; -*-

int g;

void assign(ref int i, int v)
{
	i = v;
}

void string_set_local(string s)
{
	s = "oops";
}

void string_assign(ref string dst, string src)
{
	dst = src;
}

struct lang_struct_inner {
	int a;
};

struct lang_struct {
	int a;
	lang_struct_inner in;
};

void struct_set_a(lang_struct s, int i)
{
	s.a = i;
}

void struct_set_inner(lang_struct s, int i)
{
	s.in.a = i;
}

void test_lang(void)
{
	int i;
	string s;
	lang_struct ls;
	test_equal("global assignment", (g = 16, g), 16);
	test_equal("ref assignment", (i = 0, assign(i, 32), i), 32);
	test_string("string pass-by-value", (s = "test", string_set_local(s), s), "test");
	test_string("string pass-by-ref", (s = "foo", string_assign(s, "bar"), s), "bar");
	test_equal("struct pass-by-value", (ls.a = 42, struct_set_a(ls, 2), ls.a), 42);
	test_equal("nested struct pass-by-value", (ls.in.a = 42, struct_set_inner(ls, 2), ls.in.a), 42);
	test_equal("conditional", (i = 1, i ? 42 : 0), 42);
}