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stdlib: Add regression tests for std::list

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This commit is contained in:
Brian Anderson 2011-05-22 00:40:55 -04:00
parent b4c9f782e4
commit bac68e4af3
1 changed files with 41 additions and 0 deletions
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41
src/test/run-pass/lib-list.rs
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@ -3,6 +3,7 @@ import std::list;
import std::list::car; import std::list::car;
import std::list::cdr; import std::list::cdr;
import std::list::from_vec; import std::list::from_vec;
import std::option;
fn test_from_vec() { fn test_from_vec() {
auto l = from_vec([0, 1, 2]); auto l = from_vec([0, 1, 2]);
@ -11,6 +12,46 @@ fn test_from_vec() {
assert (car(cdr(cdr(l))) == 2); assert (car(cdr(cdr(l))) == 2);
} }
fn test_foldl() {
auto l = from_vec([0, 1, 2, 3, 4]);
fn add (&int a, &uint b) -> uint {
ret (a as uint) + b;
}
auto res = list::foldl(l, 0u, add);
assert (res == 10u);
}
fn test_find_success() {
auto l = from_vec([0, 1, 2]);
fn match (&int i) -> option::t[int] {
ret if (i == 2) {
option::some(i)
} else {
option::none[int]
};
}
auto res = list::find(l, match);
assert (res == option::some(2));
}
fn test_find_fail() {
auto l = from_vec([0, 1, 2]);
fn match (&int i) -> option::t[int] {
ret option::none[int];
}
auto res = list::find(l, match);
assert (res == option::none[int]);
}
fn test_length() {
auto l = from_vec([0, 1, 2]);
assert (list::length(l) == 3u);
}
fn main() { fn main() {
test_from_vec(); test_from_vec();
test_foldl();
test_find_success();
test_find_fail();
test_length();
} }