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Rewrote stack tests

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This commit is contained in:
Julien Dessaux 2022-02-20 23:06:51 +01:00
parent 0c80404e11
commit 8bd793daf0
Signed by: adyxax
GPG key ID: F92E51B86E07177E
1 changed files with 37 additions and 46 deletions
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83
src/stack.zig
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@ -14,6 +14,17 @@ pub const Stack = struct {
try self.push(self.data.items[self.data.items.len - 1]);
}
}
test "duplicate" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try s.duplicate();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 0 }));
try s.pushVector([2]i64{ 1, 2 });
try s.duplicate();
try s.duplicate();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 2, 2 }));
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 1, 2 }));
}
pub fn init(allocator: std.mem.Allocator) Stack {
return Stack{
.data = std.ArrayList(i64).init(allocator),
@ -31,59 +42,39 @@ pub const Stack = struct {
try self.data.append(n);
}
pub fn pushVector(self: *Stack, v: [2]i64) !void {
try self.data.appendSlice(v[0..2]);
try self.data.appendSlice(v[0..]);
}
test "pushVector" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try s.pushVector([2]i64{ 1, -1 });
try s.pushVector([2]i64{ 2, -2 });
try std.testing.expectEqual(s.data.items.len, 4);
try std.testing.expectEqual(s.data.items[0], 1);
try std.testing.expectEqual(s.data.items[1], -1);
try std.testing.expectEqual(s.data.items[2], 2);
try std.testing.expectEqual(s.data.items[3], -2);
}
pub fn swap(self: *Stack) !void {
const v = self.popVector();
try self.pushVector([2]i64{ v[1], v[0] });
}
test "swap" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 0 }));
try s.push(1);
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 1, 0 }));
try s.push(2);
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 2, 0 }));
}
//pub fn transfert(toss: *Stack, soss: *Stack, n: u64) !void {
//}
};
test "all" {
std.testing.refAllDecls(@This());
}
test "clear" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
s.clear();
try std.testing.expect(s.pop() == 0);
try s.pushVector([2]i64{ 1, 2 });
s.clear();
try std.testing.expect(s.pop() == 0);
}
test "duplicate" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try s.duplicate();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 0 }));
try s.pushVector([2]i64{ 1, 2 });
try s.duplicate();
try s.duplicate();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 2, 2 }));
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 1, 2 }));
}
test "push and pop" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try std.testing.expect(s.pop() == 0);
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 0 }));
try s.push(1);
try std.testing.expect(s.pop() == 1);
try std.testing.expect(s.pop() == 0);
try s.pushVector([2]i64{ 2, 3 });
try std.testing.expect(s.pop() == 3);
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 2 }));
}
test "swap" {
var s = Stack.init(std.testing.allocator);
defer s.deinit();
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 0, 0 }));
try s.push(1);
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 1, 0 }));
try s.push(2);
try s.swap();
try std.testing.expectEqual(s.popVector(), @as(vector, [2]i64{ 2, 0 }));
}