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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,26 @@ | ||
name: no_std | ||
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on: | ||
pull_request: | ||
push: | ||
paths-ignore: | ||
- '.github/ISSUE_TEMPLATE/**' | ||
branches: | ||
- master | ||
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env: | ||
RUSTFLAGS: -Dwarnings | ||
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jobs: | ||
check: | ||
strategy: | ||
matrix: | ||
rust: [stable, nightly] | ||
runs-on: windows-latest | ||
steps: | ||
- name: Checkout | ||
uses: actions/checkout@v4 | ||
- name: Prepare | ||
run: rustup update --no-self-update ${{ matrix.rust }} && rustup default ${{ matrix.rust }} | ||
- name: Check | ||
run: cargo check -p test_no_std |
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Original file line number | Diff line number | Diff line change |
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@@ -1,21 +1,30 @@ | ||
//! Test for `#![no_std]` crates. | ||
//! | ||
//! Compiling this crate verifies that the Windows crates can be compiled with their "std" | ||
//! feature disabled. | ||
//! feature disabled. The tricky part is that `cargo test` depends on `std` so testing | ||
//! `no_std` requires using `cargo check` instead. That's what the `no_std.yml` is for. | ||
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#![no_std] | ||
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#[cfg(test)] | ||
mod tests { | ||
use windows::core::{implement, ComObject}; | ||
#[windows::core::implement] | ||
struct App; | ||
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#[implement] | ||
struct App {} | ||
#[cfg(not(test))] | ||
fn _test() { | ||
// Pull in something from each library crate that supports `no_std` to ensure they don't | ||
// accidentally depend on `std`. | ||
let _ = windows_core::ComObject::new(App); | ||
let _ = windows_registry::CURRENT_USER.create("software\\windows-rs"); | ||
let _ = windows_result::HRESULT(0); | ||
let _ = windows_strings::BSTR::new(); | ||
let _ = windows_sys::core::GUID::from_u128(0); | ||
let _ = windows_version::OsVersion::current(); | ||
let _ = windows::core::ComObject::new(App); | ||
} | ||
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// Compilation is sufficient to test. | ||
#[test] | ||
fn basic() { | ||
let object = ComObject::new(App {}); | ||
drop(object); | ||
} | ||
// This panic handler will cause a build error if an indirect `std` dependency exists as `std` | ||
// will include its own panic handler and conflict with this one. | ||
#[cfg_attr(not(test), panic_handler)] | ||
fn _panic(_: &core::panic::PanicInfo<'_>) -> ! { | ||
loop {} | ||
} |