updating to Zig 0.16

test/bitwise.zig

@@ -101,7 +101,7 @@ test "Bitwise vectors" {
             inline for (types) |T| {
                 const op1: case.Vec(L, T) = .{ .val = case.random(@Vector(L, T)) };
                 var op2: case.Vec(L, T) = .{ .val = case.random(@Vector(L, T)) };
-                for (0..L) |i| op2.val[i] = @mod(op2.val[i], @bitSizeOf(T));
+                inline for (0..L) |i| op2.val[i] = @mod(op2.val[i], @bitSizeOf(T));
                 const expected = switch (op.key) {
                     .BitwiseAnd => op1.val & op2.val,
                     .BitwiseOr => op1.val | op2.val,

test/root.zig

@@ -78,7 +78,7 @@ pub const case = struct {
     }
 
     pub fn random(comptime T: type) T {
-        var prng: std.Random.DefaultPrng = .init(@intCast(std.time.microTimestamp()));
+        var prng: std.Random.DefaultPrng = .init(@intCast(std.Io.Timestamp.now(std.testing.io, .real).toMicroseconds()));
         const rand = prng.random();
 
         return switch (@typeInfo(T)) {
@@ -86,7 +86,7 @@ pub const case = struct {
             .float => rand.float(T),
             .vector => |v| blk: {
                 var vec: @Vector(v.len, v.child) = undefined;
-                for (0..v.len) |i| {
+                inline for (0..v.len) |i| {
                     vec[i] = random(v.child);
                 }
                 break :blk vec;

test/test_runner.zig

@@ -16,11 +16,8 @@ pub fn main() !void {
 
     const allocator = fba.allocator();
 
-    const env = Env.init(allocator);
-    defer env.deinit(allocator);
-
     var slowest = SlowTracker.init(allocator, 5);
-    defer slowest.deinit();
+    defer slowest.deinit(allocator);
 
     var pass: usize = 0;
     var fail: usize = 0;
@@ -46,13 +43,6 @@ pub fn main() !void {
         var status = Status.pass;
         slowest.startTiming();
 
-        const is_unnamed_test = isUnnamed(t);
-        if (env.filter) |f| {
-            if (!is_unnamed_test and std.mem.indexOf(u8, t.name, f) == null) {
-                continue;
-            }
-        }
-
         const friendly_name = blk: {
             const name = t.name;
             var it = std.mem.splitScalar(u8, name, '.');
@@ -70,7 +60,7 @@ pub fn main() !void {
         const result = t.func();
         current_test = null;
 
-        const ns_taken = slowest.endTiming(friendly_name);
+        const ns_taken = slowest.endTiming(allocator, friendly_name);
 
         if (std.testing.allocator_instance.deinit() == .leak) {
             leak += 1;
@@ -89,20 +79,13 @@ pub fn main() !void {
                 fail += 1;
                 Printer.status(.fail, "\n{s}\n\"{s}\" - {s}\n{s}\n", .{ BORDER, friendly_name, @errorName(err), BORDER });
                 if (@errorReturnTrace()) |trace| {
-                    std.debug.dumpStackTrace(trace.*);
-                }
-                if (env.fail_first) {
-                    break;
+                    std.debug.dumpErrorReturnTrace(trace);
                 }
             },
         }
 
-        if (env.verbose) {
-            const ms = @as(f64, @floatFromInt(ns_taken)) / 1_000_000.0;
-            Printer.status(status, "\x1b[35m[{d: >10.2} ms]\x1b[0m {s: <30}", .{ ms, friendly_name });
-        } else {
-            Printer.status(status, ".", .{});
-        }
+        const ms = @as(f64, @floatFromInt(ns_taken)) / 1_000_000.0;
+        Printer.status(status, "\x1b[35m[{d: >10.2} ms]\x1b[0m {s: <30}", .{ ms, friendly_name });
     }
 
     for (builtin.test_functions) |t| {
@@ -126,7 +109,7 @@ pub fn main() !void {
     Printer.fmt("\n", .{});
     try slowest.display();
     Printer.fmt("\n", .{});
-    std.posix.exit(if (fail == 0) 0 else 1);
+    std.process.exit(if (fail == 0) 0 else 1);
 }
 
 const Printer = struct {
@@ -155,42 +138,41 @@ const SlowTracker = struct {
     const SlowestQueue = std.PriorityDequeue(TestInfo, void, compareTiming);
     max: usize,
     slowest: SlowestQueue,
-    timer: std.time.Timer,
+    timer: std.Io.Timestamp,
 
     fn init(allocator: Allocator, count: u32) SlowTracker {
-        const timer = std.time.Timer.start() catch @panic("failed to start timer");
-        var slowest = SlowestQueue.init(allocator, {});
-        slowest.ensureTotalCapacity(count) catch @panic("OOM");
+        var slowest = SlowestQueue.empty;
+        slowest.ensureTotalCapacity(allocator, count) catch @panic("OOM");
         return .{
             .max = count,
-            .timer = timer,
+            .timer = std.Io.Timestamp.now(std.testing.io, .real),
             .slowest = slowest,
         };
     }
 
     const TestInfo = struct {
-        ns: u64,
+        ns: i96,
         name: []const u8,
     };
 
-    fn deinit(self: SlowTracker) void {
-        self.slowest.deinit();
+    fn deinit(self: *SlowTracker, allocator: std.mem.Allocator) void {
+        self.slowest.deinit(allocator);
     }
 
     fn startTiming(self: *SlowTracker) void {
-        self.timer.reset();
+        self.timer = std.Io.Timestamp.now(std.testing.io, .real);
     }
 
-    fn endTiming(self: *SlowTracker, test_name: []const u8) u64 {
-        var timer = self.timer;
-        const ns = timer.lap();
+    fn endTiming(self: *SlowTracker, allocator: std.mem.Allocator, test_name: []const u8) i96 {
+        const duration = self.timer.untilNow(std.testing.io, .real);
+        const ns = duration.toNanoseconds();
 
         var slowest = &self.slowest;
 
         if (slowest.count() < self.max) {
             // Capacity is fixed to the # of slow tests we want to track
             // If we've tracked fewer tests than this capacity, than always add
-            slowest.add(TestInfo{ .ns = ns, .name = test_name }) catch @panic("failed to track test timing");
+            slowest.push(allocator, TestInfo{ .ns = ns, .name = test_name }) catch @panic("failed to track test timing");
             return ns;
         }
 
@@ -205,8 +187,8 @@ const SlowTracker = struct {
         }
 
         // the previous fastest of our slow tests, has been pushed off.
-        _ = slowest.removeMin();
-        slowest.add(TestInfo{ .ns = ns, .name = test_name }) catch @panic("failed to track test timing");
+        _ = slowest.popMin();
+        slowest.push(allocator, TestInfo{ .ns = ns, .name = test_name }) catch @panic("failed to track test timing");
         return ns;
     }
 
@@ -214,7 +196,7 @@ const SlowTracker = struct {
         var slowest = self.slowest;
         const count = slowest.count();
         Printer.fmt("Slowest {d} test{s}: \n", .{ count, if (count != 1) "s" else "" });
-        while (slowest.removeMinOrNull()) |info| {
+        while (slowest.popMin()) |info| {
             const ms = @as(f64, @floatFromInt(info.ns)) / 1_000_000.0;
             Printer.fmt("  {d:.2}ms\t{s}\n", .{ ms, info.name });
         }
@@ -226,43 +208,6 @@ const SlowTracker = struct {
     }
 };
 
-const Env = struct {
-    verbose: bool,
-    fail_first: bool,
-    filter: ?[]const u8,
-
-    fn init(allocator: Allocator) Env {
-        return .{
-            .verbose = readEnvBool(allocator, "TEST_VERBOSE", true),
-            .fail_first = readEnvBool(allocator, "TEST_FAIL_FIRST", false),
-            .filter = readEnv(allocator, "TEST_FILTER"),
-        };
-    }
-
-    fn deinit(self: Env, allocator: Allocator) void {
-        if (self.filter) |f| {
-            allocator.free(f);
-        }
-    }
-
-    fn readEnv(allocator: Allocator, key: []const u8) ?[]const u8 {
-        const v = std.process.getEnvVarOwned(allocator, key) catch |err| {
-            if (err == error.EnvironmentVariableNotFound) {
-                return null;
-            }
-            std.log.warn("failed to get env var {s} due to err {}", .{ key, err });
-            return null;
-        };
-        return v;
-    }
-
-    fn readEnvBool(allocator: Allocator, key: []const u8, deflt: bool) bool {
-        const value = readEnv(allocator, key) orelse return deflt;
-        defer allocator.free(value);
-        return std.ascii.eqlIgnoreCase(value, "true");
-    }
-};
-
 pub const panic = std.debug.FullPanic(struct {
     pub fn panicFn(msg: []const u8, first_trace_addr: ?usize) noreturn {
         if (current_test) |ct| {