58 lines
1.4 KiB
Rust
58 lines
1.4 KiB
Rust
use wasmi::{ModuleInstance, ImportsBuilder, NopExternals, RuntimeValue};
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fn init_population() -> Vec<u8> {
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unimplemented!();
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}
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fn mutate() -> Vec<u8> {
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unimplemented!();
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}
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fn asd() {
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// Parse WAT (WebAssembly Text format) into wasm bytecode.
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let wasm_binary: Vec<u8> =
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wabt::wat2wasm(
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r#"
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(module
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(func (export "test") (result i32)
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i32.const 1337
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)
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)
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"#,
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)
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.expect("failed to parse wat");
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// Load wasm binary and prepare it for instantiation.
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let module = wasmi::Module::from_buffer(&wasm_binary)
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.expect("failed to load wasm");
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// Instantiate a module with empty imports and
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// assert that there is no `start` function.
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let instance =
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ModuleInstance::new(
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&module,
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&ImportsBuilder::default()
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)
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.expect("failed to instantiate wasm module")
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.assert_no_start();
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// Finally, invoke the exported function "test" with no parameters
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// and empty external function executor.
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assert_eq!(
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instance.invoke_export(
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"test",
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&[],
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&mut NopExternals,
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).expect("failed to execute export"),
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Some(RuntimeValue::I32(1337)),
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);
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn it_works() {
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super::asd();
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}
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}
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