From 7d7f10e69d0452e8d280c62f54ba8331876ab212 Mon Sep 17 00:00:00 2001
From: Devin Jean <emailcruzjean@yahoo.com>
Date: Tue, 1 Oct 2024 09:44:47 -0500
Subject: [PATCH] run tests for 32-bit

---
 .github/workflows/ci.yaml | 23 +++++++++++++++++++++--
 src/test/mod.rs           | 18 ++++++++++++------
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 479793c..ca41126 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -22,8 +22,8 @@ jobs:
           command: doc
           args: --no-deps
 
-  test:
-    name: test
+  test-64:
+    name: test-64
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -40,6 +40,25 @@ jobs:
           command: test
           args: --lib ${{ matrix.opt }}
 
+  test-32:
+    name: test-32
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        opt: ["", "--release"]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: test
+          args: --lib ${{ matrix.opt }} --target i686-unknown-linux-gnu --features native-tls-vendored
+
   audit:
     name: audit
     runs-on: ubuntu-latest
diff --git a/src/test/mod.rs b/src/test/mod.rs
index 0513f72..4f0dc96 100644
--- a/src/test/mod.rs
+++ b/src/test/mod.rs
@@ -131,14 +131,20 @@ fn assert_values_eq<'gc>(got: &Value<'gc, C, StdSystem<C>>, expected: &Value<'gc
 
 #[test]
 fn test_sizes() {
-    if core::mem::size_of::<Value<C, StdSystem<C>>>() > 16 {
-        panic!("values are too large!");
+    macro_rules! match_pointer_size {
+        ($($size:literal => $val:expr),*$(,)?) => {{
+            $(#[cfg(target_pointer_width = $size)] { $val })*
+        }};
     }
-    if core::mem::size_of::<Option<Value<C, StdSystem<C>>>>() > 16 {
-        panic!("optional values are too large!");
+
+    if core::mem::size_of::<Value<C, StdSystem<C>>>() != match_pointer_size!("64" => 16, "32" => 12) {
+        panic!("values wrong size: {}", core::mem::size_of::<Value<C, StdSystem<C>>>());
+    }
+    if core::mem::size_of::<Option<Value<C, StdSystem<C>>>>() != match_pointer_size!("64" => 16, "32" => 12) {
+        panic!("optional values wrong size: {}", core::mem::size_of::<Option<Value<C, StdSystem<C>>>>());
     }
-    if core::mem::size_of::<Shared<'static, Value<'static, C, StdSystem<C>>>>() > 16 {
-        panic!("shared values are too large!");
+    if core::mem::size_of::<Shared<'static, Value<'static, C, StdSystem<C>>>>() != match_pointer_size!("64" => 16, "32" => 12) {
+        panic!("shared values wrong size: {}", core::mem::size_of::<Shared<'static, Value<'static, C, StdSystem<C>>>>());
     }
 }