William/perf new

.CurrentChangelog.md

@@ -1,4 +1,4 @@
-### 0.10.0-alpha.2 (2022-05-20)
+### 0.10.0 (2022-05-26)
 
 Breaking changes:
 
@@ -38,6 +38,7 @@ Breaking changes:
 
 Features:
 
+* Supported LLVM 14.
 * Supported the WASM `tail-call` proposal.
   * Added the `WasmEdge_Proposal_TailCall` for the configuration in WasmEdge C API.
   * Users can use the `--enable-tail-call` to enable the proposal in `wasmedge` and `wasmedgec` tools.
@@ -114,12 +115,13 @@ Tests:
 
 * Updated the spec tests to the date `20220504`.
 * Added the spec tests for the `tail-call` proposal.
+* Added the spec tests for the `extended-const` proposal.
 * Added the mixed invocation tests between interpreter mode and AOT mode WASM functions.
 * Added the thread-safe and multi-thread execution tests.
 * Added wasi-socket tests for `poll_oneoff`, `send_to`, and `recv_from`.
 
 Thank all the contributors that made this release possible!
 
-朱亚光, Abhinandan Udupa, Ang Lee, Binbin Zhang, Chin Zhi Wei, DarumaDocker, Elon Cheng, FlyingOnion, Hanged Fish, Herschel Wang, JIAN ZHONG, JcJinChen, Jeremy, JessesChou, JieDing, Kodalien, Kunshuai Zhu, LFsWang, LaingKe, Michael Yuan, Nicholas Zhan, 华德禹, O3Ol, Rui Li, Shen-Ta Hsieh, Shreyas Atre, Sylveon, TheLightRunner, Vaniot, Vinson, 罗泽轩, Xin Liu, Yi Huang, YiYing He, YoungLH, abhinandanudupa, border1px, eat4toast, hydai, jerbmarx, luckyJ-nj, meoww-bot, mydreamer4134, situ2001, tpmccallum, treeplus, wangyuan249, 王琦
+朱亚光, Abhinandan Udupa, Ang Lee, Binbin Zhang, Chin Zhi Wei, DarumaDocker, Elon Cheng, FlyingOnion, Hanged Fish, Herschel Wang, JIAN ZHONG, JcJinChen, Jeremy, JessesChou, JieDing, Kodalien, Kunshuai Zhu, LFsWang, LaingKe, MediosZ, Michael Yuan, Nicholas Zhan, 华德禹, O3Ol, Rui Li, Shen-Ta Hsieh, Shreyas Atre, Sylveon, TheLightRunner, Vaniot, Vinson, 罗泽轩, Xin Liu, Yi Huang, YiYing He, YoungLH, abhinandanudupa, border1px, dm4, eat4toast, hydai, jerbmarx, luckyJ-nj, meoww-bot, mydreamer4134, situ2001, tpmccallum, treeplus, wangyuan249, yale, 王琦
 
-If you want to build from source, please use WasmEdge-0.10.0-alpha.1-src.tar.gz instead of the zip or tarball provided by GitHub directly.
+If you want to build from source, please use WasmEdge-0.10.0-src.tar.gz instead of the zip or tarball provided by GitHub directly.

.github/workflows/rust-wasmedge-sdk-release.yml

@@ -21,10 +21,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Install Stable Rust
+      - name: Install Nightly Rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
 
       - name: Build WasmEdge using clang
         run: |

.github/workflows/test-install-script.yml

@@ -135,6 +135,78 @@ jobs:
         grep -qE *.wasmedge/env* ~/.bashrc && echo "Failed: Source Lines found" || echo "Pass: Source Lines Removed"
         grep -qE *.wasmedge/env* ~/.bash_profile && echo "Failed: Source Lines found" || echo "Pass: Source Lines Removed"
         grep -qE *.wasmedge/env* ~/.profile && echo "Failed: Source Lines found" || echo "Pass: Source Lines Removed"
+    - name: Plugins Install check
+      run: |
+        bash utils/install.sh -v 0.10.0-alpha.1
+        ls ~/.wasmedge/plugin/ | grep .so && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+        bash utils/install.sh -v 0.10.0-alpha.1 -p ~/new_wasmedge
+        ls ~/new_wasmedge/plugin/ | grep .so && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+        bash utils/install.sh -v 0.10.0-alpha.1 -p /usr
+        ls /usr/lib/wasmedge/ | grep libwasmedgePluginWasmEdgeProcess.so && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+    - name: Image Extensions - Version Based Conditions check
+      run: |
+        VERSION_IM_DEPS=0.9.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_IM_DEPS=0.9.1-rc.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_IM_DEPS=0.9.1-beta.2
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_IM_DEPS=0.9.1-alpha.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          echo "Pass: Extensions incompatible" || (echo "Fail: Extensions Compatible" && exit 1)
+
+        VERSION_IM_DEPS=0.8.1
+        # Normal Test
+        [ "$(printf %s\\n%s\\n "$VERSION_IM_DEPS" "0.8.2")" = "$(printf %s\\n%s "$VERSION_IM_DEPS" "0.8.2" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          echo "Pass: Image deps needed" || (echo "Fail: Image deps needed" && exit 1)
+
+        VERSION_IM_DEPS=0.8.3
+        # Normal Test
+        [ "$(printf %s\\n%s\\n "$VERSION_IM_DEPS" "0.8.2")" = "$(printf %s\\n%s "$VERSION_IM_DEPS" "0.8.2" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Image deps not needed" && exit 1) || echo "Pass: Image deps not needed"
+
+        VERSION_IM_DEPS=0.8.2
+        # Normal Test
+        [ "$(printf %s\\n%s\\n "$VERSION_IM_DEPS" "0.8.2")" = "$(printf %s\\n%s "$VERSION_IM_DEPS" "0.8.2" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          echo "Pass: Image Needed" || (echo "Fail: Image deps needed" && exit 1)
+    - name: Tensorflow Extensions - Version Based Conditions check
+      run: |
+        VERSION_TF_DEPS=0.9.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_TF_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_TF_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_TF_DEPS=0.9.1-rc.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_TF_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_TF_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_TF_DEPS=0.9.1-beta.2
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_TF_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_TF_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_TF_DEPS=0.9.1-alpha.1
+        # arch64
+        [ "$(printf %s\\n%s\\n "0.9.1-beta.1" "$VERSION_TF_DEPS")" != "$(printf %s\\n%s "0.9.1-beta.1" "$VERSION_TF_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          echo "Pass: Extensions incompatible" || (echo "Fail: Sort failed" && exit 1)
+    - name: Latest Release Check
+      run: |
+        _res_git_=$(git ls-remote --refs --tags "https://github.com/WasmEdge/WasmEdge.git" | cut -d '/' -f 3 | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//' | grep -e '^[0-9]\+.[0-9]\+.[0-9]\+$' | tail -1)
+        _res_curl_=$(curl --silent "https://api.github.com/repos/WasmEdge/WasmEdge/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/' )
+        [ "$_res_git_" = "$_res_curl_" ] && echo "Pass: Fetched version equals release" ||
+        (echo "Fail: Fetched version does not equal GitHub Ref\nFetched:$_res_git_\nCI:$_res_curl_" && exit 1)
+
 
   macos:
     strategy:
@@ -175,3 +247,60 @@ jobs:
     - name: Uninstall WasmEdge with all extensions
       run: |
         bash utils/uninstall.sh -q -V
+    - name: Plugins Install check
+      run: |
+        bash utils/install.sh -v 0.10.0-alpha.1
+        ls ~/.wasmedge/plugin/ | grep .dylib && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+        bash utils/install.sh -v 0.10.0-alpha.1 -p ~/new_wasmedge
+        ls ~/new_wasmedge/plugin/ | grep .dylib && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+        # MacOS container does not have access for /usr directory
+        # bash utils/install.sh -v 0.10.0-alpha.1 -p /usr
+        # ls /usr/lib/wasmedge/ | grep libwasmedgePluginWasmEdgeProcess.dylib && echo "Pass: Plugins found" || (echo "Fail: Plugins not found" && exit 1)
+    - name: Image Extensions - Version Based Conditions check
+      run: |
+        VERSION_IM_DEPS=0.10.0
+        # Darwin test
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_IM_DEPS=0.10.0-alpha.2
+        # Darwin test
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          (echo "Fail: Sort failed" && exit 1) || echo "Pass: Extensions Compatible"
+
+        VERSION_IM_DEPS=0.9.1
+        # Darwin test
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_IM_DEPS")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_IM_DEPS" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+          echo "Pass: Extensions incompatible" || (echo "Fail: Extensions Compatible"  && exit 1)
+    - name: Tensorflow Extensions - Version Based Conditions check
+      run: |
+        VERSION_TF=0.10.0-alpha.1
+        # Darwin
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_TF")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_TF" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+        (echo "Fail: Extensions incompatible" && exit 1) || echo "Pass: Extensions compatible"
+
+        VERSION_TF=0.10.0-alpha.2
+        # Darwin
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_TF")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_TF" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+        (echo "Fail: Extensions incompatible" && exit 1) || echo "Pass: Extensions compatible"
+
+        VERSION_TF=0.10.0-rc.1
+        # Darwin
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_TF")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_TF" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+        (echo "Fail: Extensions incompatible" && exit 1) || echo "Pass: Extensions compatible"
+
+        VERSION_TF=0.10.0
+        # Darwin
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_TF")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_TF" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+        (echo "Fail: Extensions incompatible" && exit 1) || echo "Pass: Extensions compatible"
+
+        VERSION_TF=0.9.1
+        # Darwin
+        [ "$(printf %s\\n%s\\n "0.10.0-alpha.1" "$VERSION_TF")" != "$(printf %s\\n%s "0.10.0-alpha.1" "$VERSION_TF" | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//')" ] &&
+        echo "Pass: Extensions incompatible" || (echo "Fail: Extensions Compatible" && exit 1)
+    - name: Latest Release Check
+      run: |
+        _res_git_=$(git ls-remote --refs --tags "https://github.com/WasmEdge/WasmEdge.git" | cut -d '/' -f 3 | awk '{ if ($1 ~ /-/) print; else print $0"_" ; }' | sort --version-sort | sed 's/_$//' | grep -e '^[0-9]\+.[0-9]\+.[0-9]\+$' | tail -1)
+        _res_curl_=$(curl --silent "https://api.github.com/repos/WasmEdge/WasmEdge/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/' )
+        [ "$_res_git_" = "$_res_curl_" ] && echo "Pass: Fetched version equals release" ||
+        (echo "Fail: Fetched version does not equal GitHub Ref\nFetched:$_res_git_\nCI:$_res_curl_" && exit 1)

CMakeLists.txt

@@ -113,7 +113,7 @@ if(WASMEDGE_BUILD_TOOLS)
   add_subdirectory(tools)
 endif()
 if(WASMEDGE_BUILD_EXAMPLE)
-  add_subdirectory(example/get-string)
+  add_subdirectory(examples/plugin/get-string)
 endif()
 
 include(CPack)

Changelog.md

@@ -1,4 +1,4 @@
-### 0.10.0-alpha.2 (2022-05-20)
+### 0.10.0 (2022-05-26)
 
 Breaking changes:
 
@@ -38,6 +38,7 @@ Breaking changes:
 
 Features:
 
+* Supported LLVM 14.
 * Supported the WASM `tail-call` proposal.
   * Added the `WasmEdge_Proposal_TailCall` for the configuration in WasmEdge C API.
   * Users can use the `--enable-tail-call` to enable the proposal in `wasmedge` and `wasmedgec` tools.
@@ -114,15 +115,16 @@ Tests:
 
 * Updated the spec tests to the date `20220504`.
 * Added the spec tests for the `tail-call` proposal.
+* Added the spec tests for the `extended-const` proposal.
 * Added the mixed invocation tests between interpreter mode and AOT mode WASM functions.
 * Added the thread-safe and multi-thread execution tests.
 * Added wasi-socket tests for `poll_oneoff`, `send_to`, and `recv_from`.
 
 Thank all the contributors that made this release possible!
 
-朱亚光, Abhinandan Udupa, Ang Lee, Binbin Zhang, Chin Zhi Wei, DarumaDocker, Elon Cheng, FlyingOnion, Hanged Fish, Herschel Wang, JIAN ZHONG, JcJinChen, Jeremy, JessesChou, JieDing, Kodalien, Kunshuai Zhu, LFsWang, LaingKe, Michael Yuan, Nicholas Zhan, 华德禹, O3Ol, Rui Li, Shen-Ta Hsieh, Shreyas Atre, Sylveon, TheLightRunner, Vaniot, Vinson, 罗泽轩, Xin Liu, Yi Huang, YiYing He, YoungLH, abhinandanudupa, border1px, eat4toast, hydai, jerbmarx, luckyJ-nj, meoww-bot, mydreamer4134, situ2001, tpmccallum, treeplus, wangyuan249, 王琦
+朱亚光, Abhinandan Udupa, Ang Lee, Binbin Zhang, Chin Zhi Wei, DarumaDocker, Elon Cheng, FlyingOnion, Hanged Fish, Herschel Wang, JIAN ZHONG, JcJinChen, Jeremy, JessesChou, JieDing, Kodalien, Kunshuai Zhu, LFsWang, LaingKe, MediosZ, Michael Yuan, Nicholas Zhan, 华德禹, O3Ol, Rui Li, Shen-Ta Hsieh, Shreyas Atre, Sylveon, TheLightRunner, Vaniot, Vinson, 罗泽轩, Xin Liu, Yi Huang, YiYing He, YoungLH, abhinandanudupa, border1px, dm4, eat4toast, hydai, jerbmarx, luckyJ-nj, meoww-bot, mydreamer4134, situ2001, tpmccallum, treeplus, wangyuan249, yale, 王琦
 
-If you want to build from source, please use WasmEdge-0.10.0-alpha.1-src.tar.gz instead of the zip or tarball provided by GitHub directly.
+If you want to build from source, please use WasmEdge-0.10.0-src.tar.gz instead of the zip or tarball provided by GitHub directly.
 
 ### 0.9.1 (2022-02-10)
 

bindings/rust/wasmedge-sdk/Cargo.toml

@@ -14,7 +14,7 @@ version = "0.1.0"
 anyhow = "1.0"
 thiserror = "1.0.30"
 wasmedge-sys = {path = "../wasmedge-sys", version = "0.7"}
-wasmedge-types = "0.1.2"
+wasmedge-types = "0.1"
 wat = "1.0"
 
 [features]

bindings/rust/wasmedge-sdk/examples/create_import_object.rs

@@ -47,7 +47,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let module_name = "extern";
     let _import = ImportObjectBuilder::new()
         // add a function
-        .with_func::<(i32, i32), i32>("add", Box::new(real_add))?
+        .with_func::<(i32, i32), i32>("add", real_add)?
         // add a global
         .with_global("global", global_const)?
         // add a memory

bindings/rust/wasmedge-sdk/examples/hello_world.rs

@@ -34,7 +34,7 @@ fn main() -> anyhow::Result<()> {
 
     // create an import module
     let import = ImportObjectBuilder::new()
-        .with_func::<(), ()>("say_hello", Box::new(say_hello_world))?
+        .with_func::<(), ()>("say_hello", say_hello_world)?
         .build("env")?;
 
     // loads a wasm module from the given in-memory bytes

bindings/rust/wasmedge-sdk/examples/table.rs

@@ -1,3 +1,5 @@
+#![feature(explicit_generic_args_with_impl_trait)]
+
 use wasmedge_sdk::{params, types::Val, Executor, Func, Module, Store, WasmVal};
 use wasmedge_sys::types::WasmValue;
 use wasmedge_types::{wat2wasm, RefType, TableType, ValType};

bindings/rust/wasmedge-sdk/examples/table_and_funcref.rs

@@ -1,3 +1,5 @@
+#![feature(explicit_generic_args_with_impl_trait)]
+
 use wasmedge_sdk::{
     config::{CommonConfigOptions, ConfigBuilder},
     params,

bindings/rust/wasmedge-sdk/examples/vm.rs

@@ -0,0 +1,68 @@
+//! This example presents how to register a module as named module in a Vm instance and run a target wasm function.
+
+#![feature(explicit_generic_args_with_impl_trait)]
+
+use wasmedge_sdk::{params, Vm, WasmVal};
+use wasmedge_types::{wat2wasm, ValType};
+
+#[cfg_attr(test, test)]
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // create a Vm context
+    let vm = Vm::new(None)?;
+
+    // register a wasm module from the given in-memory wasm bytes
+    let wasm_bytes = wat2wasm(
+        br#"(module
+        (export "fib" (func $fib))
+        (func $fib (param $n i32) (result i32)
+         (if
+          (i32.lt_s
+           (get_local $n)
+           (i32.const 2)
+          )
+          (return
+           (i32.const 1)
+          )
+         )
+         (return
+          (i32.add
+           (call $fib
+            (i32.sub
+             (get_local $n)
+             (i32.const 2)
+            )
+           )
+           (call $fib
+            (i32.sub
+             (get_local $n)
+             (i32.const 1)
+            )
+           )
+          )
+         )
+        )
+       )
+    "#,
+    )?;
+    let mut vm = vm.register_module_from_bytes("extern", wasm_bytes)?;
+
+    // get func type of `fib`
+    let func_ty = vm.func_ty(Some("extern"), "fib")?;
+
+    // get the argument types
+    assert_eq!(func_ty.args_len(), 1);
+    let args = func_ty.args().expect("No argument types.");
+    assert_eq!(args, [ValType::I32]);
+
+    // get the return types
+    assert_eq!(func_ty.returns_len(), 1);
+    let returns = func_ty.returns().expect("No return types.");
+    assert_eq!(returns, [ValType::I32]);
+
+    // run `fib` function in the named module instance
+    let returns = vm.run_func(Some("extern"), "fib", params!(10))?;
+    assert_eq!(returns.len(), 1);
+    assert_eq!(returns[0].to_i32(), 89);
+
+    Ok(())
+}