CI: Also run tests with --no-default-features

.github/workflows/test.yml

@@ -78,6 +78,8 @@ jobs:
       - uses: taiki-e/install-action@cargo-hack
       - uses: Swatinem/rust-cache@v2
       - run: cargo hack check --feature-powerset --optional-deps serde,rkyv --skip default --skip __internal_bench --skip __doctest --skip iana-time-zone --skip pure-rust-locales
+      - run: cargo test --lib --no-default-features
+      - run: cargo test --doc --no-default-features
 
   no_std:
     strategy:

src/datetime/tests.rs

@@ -6,9 +6,7 @@ use crate::naive::{NaiveDate, NaiveTime};
 use crate::offset::Local;
 use crate::offset::{FixedOffset, TimeZone, Utc};
 use crate::oldtime::Duration;
-#[cfg(feature = "clock")]
-use crate::Datelike;
-use crate::{Days, LocalResult, Months, NaiveDateTime};
+use crate::{Datelike, Days, LocalResult, Months, NaiveDateTime};
 
 #[derive(Clone)]
 struct DstTester;
@@ -952,7 +950,7 @@ fn test_datetime_sub_assign_local() {
 }
 
 #[test]
-#[cfg(target_os = "windows")]
+#[cfg(all(target_os = "windows", feature = "clock"))]
 fn test_from_naive_date_time_windows() {
     let min_year = NaiveDate::from_ymd_opt(1601, 1, 3).unwrap().and_hms_opt(0, 0, 0).unwrap();
 

src/format/mod.rs

@@ -16,7 +16,8 @@
 //! C's `strftime` format. The available options can be found [here](./strftime/index.html).
 //!
 //! # Example
-//! ```rust
+#![cfg_attr(not(feature = "std"), doc = "```ignore")]
+#![cfg_attr(feature = "std", doc = "```rust")]
 //! # use std::error::Error;
 //! use chrono::prelude::*;
 //!

src/lib.rs

@@ -110,7 +110,8 @@
 //! or in the local time zone
 //! ([`Local::now()`](./offset/struct.Local.html#method.now)).
 //!
-//! ```rust
+#![cfg_attr(not(feature = "clock"), doc = "```ignore")]
+#![cfg_attr(feature = "clock", doc = "```rust")]
 //! use chrono::prelude::*;
 //!
 //! let utc: DateTime<Utc> = Utc::now();       // e.g. `2014-11-28T12:45:59.324310806Z`
@@ -122,7 +123,8 @@
 //! This is a bit verbose due to Rust's lack of function and method overloading,
 //! but in turn we get a rich combination of initialization methods.
 //!
-//! ```rust
+#![cfg_attr(not(feature = "std"), doc = "```ignore")]
+#![cfg_attr(feature = "std", doc = "```rust")]
 //! use chrono::prelude::*;
 //! use chrono::offset::LocalResult;
 //!
@@ -314,7 +316,8 @@
 //! [`DateTime.timestamp_subsec_nanos`](./struct.DateTime.html#method.timestamp_subsec_nanos)
 //! to get the number of additional number of nanoseconds.
 //!
-//! ```rust
+#![cfg_attr(not(feature = "std"), doc = "```ignore")]
+#![cfg_attr(feature = "std", doc = "```rust")]
 //! // We need the trait in scope to use Utc::timestamp().
 //! use chrono::{DateTime, TimeZone, Utc};
 //!
@@ -333,7 +336,8 @@
 //! It also has time zones attached, and have to be constructed via time zones.
 //! Most operations available to `DateTime` are also available to `Date` whenever appropriate.
 //!
-//! ```rust
+#![cfg_attr(not(feature = "std"), doc = "```ignore")]
+#![cfg_attr(feature = "std", doc = "```rust")]
 //! use chrono::prelude::*;
 //! use chrono::offset::LocalResult;
 //!

src/naive/time/mod.rs

@@ -818,7 +818,8 @@ impl Timelike for NaiveTime {
     /// ([Why?](#leap-second-handling))
     /// Use the proper [formatting method](#method.format) to get a human-readable representation.
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// # use chrono::{NaiveTime, Timelike};
     /// let leap = NaiveTime::from_hms_milli_opt(23, 59, 59, 1_000).unwrap();
     /// assert_eq!(leap.second(), 59);
@@ -846,7 +847,8 @@ impl Timelike for NaiveTime {
     /// You can reduce the range with `time.nanosecond() % 1_000_000_000`, or
     /// use the proper [formatting method](#method.format) to get a human-readable representation.
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// # use chrono::{NaiveTime, Timelike};
     /// let leap = NaiveTime::from_hms_milli_opt(23, 59, 59, 1_000).unwrap();
     /// assert_eq!(leap.nanosecond(), 1_000_000_000);

src/offset/fixed.rs

@@ -46,7 +46,8 @@ impl FixedOffset {
     ///
     /// # Example
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// use chrono::{FixedOffset, TimeZone};
     /// let hour = 3600;
     /// let datetime = FixedOffset::east_opt(5 * hour).unwrap().ymd_opt(2016, 11, 08).unwrap()
@@ -79,7 +80,8 @@ impl FixedOffset {
     ///
     /// # Example
     ///
-    /// ```
+    #[cfg_attr(not(feature = "std"), doc = "```ignore")]
+    #[cfg_attr(feature = "std", doc = "```")]
     /// use chrono::{FixedOffset, TimeZone};
     /// let hour = 3600;
     /// let datetime = FixedOffset::west_opt(5 * hour).unwrap().ymd_opt(2016, 11, 08).unwrap()