From 6253f0ff34cbbc786add4e6b2b79144382772819 Mon Sep 17 00:00:00 2001
From: Kenny Kerr <kenny@kennykerr.ca>
Date: Thu, 6 Jun 2024 07:45:27 -0500
Subject: [PATCH] debug_assert

---
 crates/libs/bindgen/src/rust/winrt_methods.rs | 12 ++++++---
 crates/tests/noexcept/src/bindings.rs         | 27 ++++++++++++-------
 2 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/crates/libs/bindgen/src/rust/winrt_methods.rs b/crates/libs/bindgen/src/rust/winrt_methods.rs
index 1f98cf7999..345cb01e75 100644
--- a/crates/libs/bindgen/src/rust/winrt_methods.rs
+++ b/crates/libs/bindgen/src/rust/winrt_methods.rs
@@ -66,7 +66,8 @@ pub fn writer(
         metadata::Type::Void => {
             if noexcept {
                 quote! {
-                    _ = #vcall;
+                    let hresult__ = #vcall;
+                    debug_assert!(hresult__.0 == 0);
                 }
             } else {
                 quote! {
@@ -78,7 +79,8 @@ pub fn writer(
             if noexcept {
                 quote! {
                     let mut result__ = core::mem::MaybeUninit::zeroed();
-                    _ = #vcall;
+                    let hresult__ = #vcall;
+                    debug_assert!(hresult__.0 == 0);
                     result__.assume_init()
                 }
             } else {
@@ -94,12 +96,14 @@ pub fn writer(
                 if metadata::type_is_blittable(&signature.return_type) {
                     quote! {
                     let mut result__ = core::mem::zeroed();
-                    _ = #vcall;
+                    let hresult__ = #vcall;
+                    debug_assert!(hresult__.0 == 0);
                     result__ }
                 } else {
                     quote! {
                     let mut result__ = core::mem::zeroed();
-                    _ = #vcall;
+                    let hresult__ = #vcall;
+                    debug_assert!(hresult__.0 == 0);
                     core::mem::transmute(result__) }
                 }
             } else if metadata::type_is_blittable(&signature.return_type) {
diff --git a/crates/tests/noexcept/src/bindings.rs b/crates/tests/noexcept/src/bindings.rs
index 5ca843dd7a..1f4a837e1a 100644
--- a/crates/tests/noexcept/src/bindings.rs
+++ b/crates/tests/noexcept/src/bindings.rs
@@ -118,19 +118,21 @@ impl ITest {
     pub fn MethodStringN(&self, test: &windows_core::HSTRING) {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).MethodStringN)(
+            let hresult__ = (windows_core::Interface::vtable(this).MethodStringN)(
                 windows_core::Interface::as_raw(this),
                 core::mem::transmute_copy(test),
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
     pub fn MethodInt32N(&self, test: i32) {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).MethodInt32N)(
+            let hresult__ = (windows_core::Interface::vtable(this).MethodInt32N)(
                 windows_core::Interface::as_raw(this),
                 test,
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
     pub fn MethodTestN<P0>(&self, test: P0)
@@ -139,60 +141,66 @@ impl ITest {
     {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).MethodTestN)(
+            let hresult__ = (windows_core::Interface::vtable(this).MethodTestN)(
                 windows_core::Interface::as_raw(this),
                 test.param().abi(),
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
     pub fn StringN(&self) -> windows_core::HSTRING {
         let this = self;
         unsafe {
             let mut result__ = core::mem::zeroed();
-            _ = (windows_core::Interface::vtable(this).StringN)(
+            let hresult__ = (windows_core::Interface::vtable(this).StringN)(
                 windows_core::Interface::as_raw(this),
                 &mut result__,
             );
+            debug_assert!(hresult__.0 == 0);
             core::mem::transmute(result__)
         }
     }
     pub fn SetStringN(&self, value: &windows_core::HSTRING) {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).SetStringN)(
+            let hresult__ = (windows_core::Interface::vtable(this).SetStringN)(
                 windows_core::Interface::as_raw(this),
                 core::mem::transmute_copy(value),
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
     pub fn Int32N(&self) -> i32 {
         let this = self;
         unsafe {
             let mut result__ = core::mem::zeroed();
-            _ = (windows_core::Interface::vtable(this).Int32N)(
+            let hresult__ = (windows_core::Interface::vtable(this).Int32N)(
                 windows_core::Interface::as_raw(this),
                 &mut result__,
             );
+            debug_assert!(hresult__.0 == 0);
             result__
         }
     }
     pub fn SetInt32N(&self, value: i32) {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).SetInt32N)(
+            let hresult__ = (windows_core::Interface::vtable(this).SetInt32N)(
                 windows_core::Interface::as_raw(this),
                 value,
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
     pub fn TestN(&self) -> Option<ITest> {
         let this = self;
         unsafe {
             let mut result__ = core::mem::zeroed();
-            _ = (windows_core::Interface::vtable(this).TestN)(
+            let hresult__ = (windows_core::Interface::vtable(this).TestN)(
                 windows_core::Interface::as_raw(this),
                 &mut result__,
             );
+            debug_assert!(hresult__.0 == 0);
             core::mem::transmute(result__)
         }
     }
@@ -202,10 +210,11 @@ impl ITest {
     {
         let this = self;
         unsafe {
-            _ = (windows_core::Interface::vtable(this).SetTestN)(
+            let hresult__ = (windows_core::Interface::vtable(this).SetTestN)(
                 windows_core::Interface::as_raw(this),
                 value.param().abi(),
             );
+            debug_assert!(hresult__.0 == 0);
         }
     }
 }