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void test_string () {
// declaration and initialization
string s = "hello";
assert (s == "hello");
// assignment
s = "world";
assert (s == "world");
// access
string t = s;
assert (t == "world");
// +
s = "hello" + "world";
assert (s == "helloworld");
// equality and relational
s = "hello";
assert (s == "hello");
assert (s != "world");
assert (s < "i");
assert (!(s < "g"));
assert (s <= "hello");
assert (!(s <= "g"));
assert (s >= "hello");
assert (!(s >= "i"));
assert (s > "g");
assert (!(s > "i"));
// slices
t = s[2:4];
assert (t.length == 2);
assert (t[0] == 'l');
assert (t[1] == 'l');
}
void test_string_joinv () {
string[] sa = { "hello", "my", "world" };
string s = string.joinv (" ", sa);
assert (s == "hello my world");
sa.length = -1;
s = string.joinv (":", sa);
assert (s == "hello:my:world");
s = string.joinv ("-", null);
assert (s == "");
// LeakSanitizer -fsanitize=address
sa.length = 3;
}
void test_string_replace () {
string s = "hellomyworld";
s = s.replace ("my", "whole");
assert (s == "hellowholeworld");
}
void test_string_slice () {
string s = "hellomyworld";
string r = s.slice (5, 7);
assert (r == "my");
r = s.slice (-7, 7);
assert (r == "my");
r = s.slice (5, -5);
assert (r == "my");
r = s.slice (-7, -5);
assert (r == "my");
r = s.slice (0, 0);
assert (r == "");
}
void test_string_splice () {
string s = "hellomyworld";
s = s.splice (5, 7);
assert (s == "helloworld");
s = s.splice (5, 5, "whole");
assert (s == "hellowholeworld");
s = s.splice (10, -5, "wide");
assert (s == "hellowholewideworld");
s = s.splice (-14, 5);
assert (s == "hellowholewideworld");
s = s.splice (-14, -5);
assert (s == "helloworld");
s = "hello".splice (0, 0);
assert (s == "hello");
s = "world".splice (0, 0, "hello");
assert (s == "helloworld");
}
void test_string_substring () {
string s = "hellomyworld";
string r = s.substring (5, 2);
assert (r == "my");
r = s.substring (-7, 2);
assert (r == "my");
r = s.substring (5);
assert (r == "myworld");
r = s.substring (-7);
assert (r == "myworld");
}
void main () {
test_string ();
test_string_joinv ();
test_string_replace ();
test_string_slice ();
test_string_splice ();
test_string_substring ();
}
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