From 515ef38574845b0fbac1bea72269b44bd0642b75 Mon Sep 17 00:00:00 2001 From: Artem Biryukov Date: Wed, 16 Nov 2016 17:40:06 +0300 Subject: First steps to fix issue #57 --- libbindgen/src/codegen/mod.rs | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'libbindgen/src/codegen/mod.rs') diff --git a/libbindgen/src/codegen/mod.rs b/libbindgen/src/codegen/mod.rs index 6c8a36f7..8b54ab00 100644 --- a/libbindgen/src/codegen/mod.rs +++ b/libbindgen/src/codegen/mod.rs @@ -656,8 +656,30 @@ impl CodeGenerator for CompInfo { // // TODO: Generate layout tests for template specializations, yay! if self.has_non_type_template_params() || - self.is_template_specialization() { - return; + self.is_template_specialization() { + let layout = item.kind().expect_type().layout(ctx); + let canonical_name = item.canonical_name(ctx); + + if let Some(layout) = layout { + let fn_name = format!("bindgen_test_layout_template_{}", canonical_name); + let fn_name = ctx.rust_ident_raw(&fn_name); + let ident = item.to_rust_ty(ctx); + let prefix = ctx.trait_prefix(); + let size_of_expr = quote_expr!(ctx.ext_cx(), + ::$prefix::mem::size_of::<$ident>()); + let align_of_expr = quote_expr!(ctx.ext_cx(), + ::$prefix::mem::align_of::<$ident>()); + let size = layout.size; + let align = layout.align; + let item = quote_item!(ctx.ext_cx(), + #[test] + fn $fn_name() { + assert_eq!($size_of_expr, $size); + assert_eq!($align_of_expr, $align); + }).unwrap(); + result.push(item); + } + return; } let applicable_template_args = item.applicable_template_args(ctx); -- cgit v1.2.3