199 lines
3.7 KiB
Rust
199 lines
3.7 KiB
Rust
use std::env;
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use std::path::PathBuf;
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use std::process::Command;
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fn run_c_example(name: &'static str, expected_out: &[u8]) {
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let cargo = env::var("MAKE").unwrap_or("make".to_string());
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let pkg_dir = env!("CARGO_MANIFEST_DIR");
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let examples_dir = PathBuf::from(pkg_dir).join("examples");
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let make_arg = format!("run-{}-c", name);
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let output = Command::new(cargo)
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.current_dir(examples_dir)
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.args(&["-s", &make_arg])
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.output()
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.expect("success");
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assert!(
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output.status.success(),
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"failed to execute the C example '{}': {}",
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name,
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String::from_utf8_lossy(&output.stderr),
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);
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assert_eq!(
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output.stdout.as_slice(),
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expected_out,
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"unexpected stdout from example: {}",
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String::from_utf8_lossy(&output.stdout),
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);
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}
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#[test]
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fn test_run_hello_example() {
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run_c_example(
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"hello",
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br#"==== C hello ====
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Initializing...
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Loading binary...
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Compiling module...
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Creating callback...
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Instantiating module...
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Extracting export...
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Calling export...
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Calling back...
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> Hello World!
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_memory_example() {
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run_c_example(
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"memory",
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br#"==== C memory ====
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Initializing...
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Loading binary...
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Compiling module...
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Instantiating module...
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Extracting exports...
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Checking memory...
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Mutating memory...
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Growing memory...
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Creating stand-alone memory...
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_global_example() {
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run_c_example(
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"global",
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br#"==== C global ====
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Initializing...
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Loading binary...
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Compiling module...
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Creating globals...
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Instantiating module...
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Extracting exports...
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Accessing globals...
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_callback_example() {
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run_c_example(
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"callback",
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br#"==== C callback ====
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Initializing...
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Loading binary...
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Compiling module...
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Creating callback...
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Instantiating module...
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Extracting export...
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Calling export...
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Calling back...
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> 7
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Calling back closure...
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> 42
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Printing result...
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> 49
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_reflect_example() {
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run_c_example(
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"reflect",
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br#"==== C reflect ====
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Initializing...
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Loading binary...
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Compiling module...
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Instantiating module...
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Extracting export...
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> export 0 "func"
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>> initial: func i32 f64 f32 -> i32
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>> current: func i32 f64 f32 -> i32
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>> in-arity: 3, out-arity: 1
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> export 1 "global"
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>> initial: global const f64
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>> current: global const f64
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> export 2 "table"
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>> initial: table 0d 50d funcref
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>> current: table 0d 50d funcref
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> export 3 "memory"
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>> initial: memory 1d
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>> current: memory 1d
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_start_example() {
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run_c_example(
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"start",
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br#"==== C start ====
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Initializing...
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Loading binary...
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Compiling module...
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Instantiating module...
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Printing message...
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> wasm trap: unreachable, source location: @002e
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Printing origin...
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> Empty origin.
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Printing trace...
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> Empty trace.
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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#[test]
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fn test_run_trap_example() {
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run_c_example(
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"trap",
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br#"==== C trap ====
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Initializing...
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Loading binary...
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Compiling module...
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Creating callback...
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Instantiating module...
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Extracting exports...
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Calling export 0...
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Calling back...
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Printing message...
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> callback abort
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Printing origin...
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> Empty origin.
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Printing trace...
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> Empty trace.
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Calling export 1...
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Printing message...
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> wasm trap: unreachable, source location: @0065
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Printing origin...
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> Empty origin.
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Printing trace...
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> Empty trace.
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Shutting down...
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Done.
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==== Done ====
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"#,
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);
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}
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