Improved wast tests

build.rs

@@ -37,6 +37,8 @@ fn main() -> anyhow::Result<()> {
     with_backends(&mut spectests, &backends, |mut spectests| {
         with_test_module(&mut spectests, "spec", |spectests| {
             let _spec_tests = test_directory(spectests, "tests/wast/spec", wast_processor)?;
+            test_directory_module(spectests, "tests/wast/spec/proposals/multi-value", wast_processor)?;
+            // test_directory_module(spectests, "tests/wast/spec/proposals/bulk-memory-operations", wast_processor)?;
             Ok(())
         })?;
         with_test_module(&mut spectests, "wasmer", |spectests| {

lib/api/src/instance.rs

@@ -25,7 +25,8 @@ impl Instance {
     /// set of imports resolved by the [`Resolver`].
     ///
     /// The resolver can be anything that implements the [`Resolver`] trait,
-    /// so you can plug custom resolution for the imports.
+    /// so you can plug custom resolution for the imports, if you wish not
+    /// to use [`ImportObject`].
     ///
     /// The [`ImportObject`] is the easiest way to provide imports to the instance.
     ///

lib/wasm-common/src/features.rs

@@ -24,7 +24,8 @@ impl Features {
             reference_types: false,
             simd: false,
             bulk_memory: false,
-            multi_value: false,
+            // Multivalue should be on by default
+            multi_value: true,
         }
     }
 

tests/wast.rs

@@ -19,12 +19,15 @@ fn run_wast(wast_path: &str, compiler: &str) -> anyhow::Result<()> {
     println!("Running wast {} with {}", wast_path, compiler);
     let try_nan_canonicalization = wast_path.contains("nan-canonicalization");
     let mut features = Features::default();
-    features.multi_value(true);
+    if wast_path.contains("bulk-memory") {
+        features.bulk_memory(true);
+    }
     let compiler_config =
         get_compiler_config_from_str(compiler, try_nan_canonicalization, features);
     let tunables = Tunables::for_target(compiler_config.target().triple());
     let store = Store::new(&Engine::new(&*compiler_config, tunables));
     let mut wast = Wast::new_with_spectest(store);
+    // wast.fail_fast = false;
     let path = Path::new(wast_path);
     wast.run_file(path)
 }