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std: update singly linked list tests to new API

master
Andrew Kelley 2020-05-23 16:38:43 -04:00
parent 1a90a5e63a
commit 8f6d7b3208
1 changed files with 13 additions and 20 deletions
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33
lib/std/linked_list.zig
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@ -121,27 +121,20 @@ pub fn SinglyLinkedList(comptime T: type) type {
}
test "basic SinglyLinkedList test" {
const allocator = testing.allocator;
var list = SinglyLinkedList(u32).init();
const L = SinglyLinkedList(u32);
var list = L{};
var one = try list.createNode(1, allocator);
var two = try list.createNode(2, allocator);
var three = try list.createNode(3, allocator);
var four = try list.createNode(4, allocator);
var five = try list.createNode(5, allocator);
defer {
list.destroyNode(one, allocator);
list.destroyNode(two, allocator);
list.destroyNode(three, allocator);
list.destroyNode(four, allocator);
list.destroyNode(five, allocator);
}
var one = L.Node{.data = 1};
var two = L.Node{.data = 2};
var three = L.Node{.data = 3};
var four = L.Node{.data = 4};
var five = L.Node{.data = 5};
list.prepend(two); // {2}
list.insertAfter(two, five); // {2, 5}
list.prepend(one); // {1, 2, 5}
list.insertAfter(two, three); // {1, 2, 3, 5}
list.insertAfter(three, four); // {1, 2, 3, 4, 5}
list.prepend(&two); // {2}
two.insertAfter(&five); // {2, 5}
list.prepend(&one); // {1, 2, 5}
two.insertAfter(&three); // {1, 2, 3, 5}
three.insertAfter(&four); // {1, 2, 3, 4, 5}
// Traverse forwards.
{
@ -154,7 +147,7 @@ test "basic SinglyLinkedList test" {
}
_ = list.popFirst(); // {2, 3, 4, 5}
_ = list.remove(five); // {2, 3, 4}
_ = list.remove(&five); // {2, 3, 4}
_ = two.removeNext(); // {2, 4}
testing.expect(list.first.?.data == 2);