From 5351b900c1c904e587a99590f474ac57c709c9e7 Mon Sep 17 00:00:00 2001
From: daxpedda <daxpedda@gmail.com>
Date: Mon, 29 Jan 2024 12:51:36 +0100
Subject: [PATCH] Add trait tests

---
 Cargo.toml      |  3 +++
 tests/traits.rs | 24 ++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 tests/traits.rs

diff --git a/Cargo.toml b/Cargo.toml
index 52d602e..25a4ddd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,9 @@ version = "1.0.0"
 js-sys = "0.3.20"
 wasm-bindgen = { version = "0.2.70", default-features = false }
 
+[dev-dependencies]
+static_assertions = "1"
+
 [target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
 pollster = { version = "0.3", features = ["macro"] }
 
diff --git a/tests/traits.rs b/tests/traits.rs
new file mode 100644
index 0000000..dbc474e
--- /dev/null
+++ b/tests/traits.rs
@@ -0,0 +1,24 @@
+use std::error::Error;
+use std::fmt::{Debug, Display};
+use std::hash::Hash;
+use std::ops::{Add, AddAssign, Sub, SubAssign};
+use std::panic::{RefUnwindSafe, UnwindSafe};
+
+use static_assertions::{assert_impl_all, assert_not_impl_any};
+use web_time::{Duration, Instant, SystemTime, SystemTimeError};
+
+#[cfg(target_family = "wasm")]
+wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
+
+#[cfg_attr(not(target_family = "wasm"), test)]
+#[cfg_attr(target_family = "wasm", wasm_bindgen_test::wasm_bindgen_test)]
+const fn basic() {
+	assert_impl_all!(Instant: Clone, Copy, Debug, Hash, Eq, PartialEq, Ord, PartialOrd, Send, Sync, Unpin, RefUnwindSafe, UnwindSafe);
+	assert_impl_all!(Instant: Add<Duration>, AddAssign<Duration>, Sub<Duration>, SubAssign<Duration>);
+
+	assert_impl_all!(SystemTime: Clone, Copy, Debug, Hash, Eq, PartialEq, Ord, PartialOrd, Send, Sync, Unpin, RefUnwindSafe, UnwindSafe);
+	assert_impl_all!(SystemTime: Add<Duration>, AddAssign<Duration>, Sub<Duration>, SubAssign<Duration>);
+
+	assert_impl_all!(SystemTimeError: Clone, Debug, Display, Error, Send, Sync, Unpin, RefUnwindSafe, UnwindSafe);
+	assert_not_impl_any!(SystemTimeError: Copy, Hash, Eq, PartialEq, Ord, PartialOrd);
+}