Merge pull request #1463 from fitzgen/fix-c-api-tests
Fix wasmtime-c-api tests and run them in CI
This commit is contained in:
Nick Fitzgerald
12
.github/workflows/main.yml
vendored
12
.github/workflows/main.yml
vendored
@@ -225,7 +225,7 @@ jobs:
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- run: cargo run -p run-examples
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# Build and test all features except for lightbeam
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- run: cargo test --features test-programs/test_programs --all --exclude lightbeam --exclude wasmtime-c-api -- --nocapture
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- run: cargo test --features test-programs/test_programs --all --exclude lightbeam -- --nocapture
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env:
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RUST_BACKTRACE: 1
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RUSTFLAGS: "-D warnings"
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@@ -247,16 +247,6 @@ jobs:
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env:
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RUST_BACKTRACE: 1
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# Build and test c-api examples. Skipping testing on Windows due to
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# GNU make dependency when executing the wasm-c-api examples.
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- run: cargo build --package wasmtime-c-api
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if: matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest'
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- run: cargo test --package wasmtime-c-api -- --nocapture --test-threads 1
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if: matrix.os == 'ubuntu-latest' || matrix.os == 'macos-latest'
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continue-on-error: true
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env:
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RUST_BACKTRACE: 1
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# Verify that cranelift's code generation is deterministic
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meta_determinist_check:
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name: Meta deterministic check
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@@ -1,28 +1,85 @@
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use std::env;
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use std::path::PathBuf;
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use std::fs;
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use std::path::Path;
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use std::process::Command;
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use std::sync::Once;
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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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fn run_c_example(name: &'static str, expected_out: &str) {
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// Windows requires different `cc` flags and I'm not sure what they
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// are. Also we need a way to shepherd the current host target to the `cc`
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// invocation but `cargo` only defines the `TARGET` environment variable for
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// build scripts, not tests. Therefore, we just make these tests specific to
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// bog standard x64 linux. This should run in CI, at least!
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if cfg!(not(all(
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target_arch = "x86_64",
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target_os = "linux",
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target_env = "gnu"
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))) {
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eprintln!("This test is only enabled for the `x86_64-unknown-linux-gnu` target");
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return;
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}
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let pkg_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
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// Make sure we've built `libwasmtime.a` with the `wat` feature enabled
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// so that we have the `wasmtime_wat2wasm` function.
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static BUILD_LIBWASMTIME: Once = Once::new();
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BUILD_LIBWASMTIME.call_once(|| {
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let status = Command::new("cargo")
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.args(&["build", "-p", "wasmtime-c-api", "--features", "wat"])
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.current_dir(pkg_dir)
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.status()
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.expect("should run `cargo build` OK");
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assert!(status.success());
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});
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let examples_dir = pkg_dir
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// Pop `c-api`.
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.join("..")
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// Pop `crates`.
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.join("..")
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.join("examples");
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let include_dir = pkg_dir.join("include");
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let wasm_c_api_include_dir = pkg_dir.join("wasm-c-api").join("include");
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let out_dir = pkg_dir.join("..").join("..").join("target").join("debug");
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let c_examples_dir = out_dir.join("c-examples");
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fs::create_dir_all(&c_examples_dir).unwrap();
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let libwasmtime = out_dir.join("libwasmtime.a");
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assert!(libwasmtime.exists());
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let status = Command::new(env::var("CC").unwrap_or("gcc".into()))
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.arg(examples_dir.join(name).with_extension("c"))
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.arg(libwasmtime)
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.arg(format!("-I{}", include_dir.display()))
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.arg(format!("-I{}", wasm_c_api_include_dir.display()))
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.arg("-lpthread")
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.arg("-ldl")
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.arg("-lm")
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.current_dir(&examples_dir)
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.arg("-o")
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.arg(c_examples_dir.join(name))
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.status()
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.expect("should spawn CC ok");
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assert!(status.success());
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assert!(c_examples_dir.join(name).exists());
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let output = Command::new(c_examples_dir.join(name))
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.current_dir(pkg_dir.join("..").join(".."))
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.output()
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.expect("success");
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.expect("should spawn C example OK");
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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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let actual_stdout =
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String::from_utf8(output.stdout).expect("C example's output should be utf-8");
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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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actual_stdout, expected_out,
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"unexpected stdout from example",
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);
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}
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@@ -30,20 +87,15 @@ fn run_c_example(name: &'static str, expected_out: &[u8]) {
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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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"Initializing...\n\
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Compiling module...\n\
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Creating callback...\n\
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Instantiating module...\n\
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Extracting export...\n\
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Calling export...\n\
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Calling back...\n\
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> Hello World!\n\
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All finished!\n",
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);
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}
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@@ -51,148 +103,45 @@ Done.
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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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"Initializing...\n\
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Compiling module...\n\
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Instantiating module...\n\
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Extracting exports...\n\
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Checking memory...\n\
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Mutating memory...\n\
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Growing memory...\n\
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Creating stand-alone memory...\n\
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Shutting down...\n\
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Done.\n",
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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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fn test_run_linking_example() {
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run_c_example("linking", "Hello, world!\n");
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}
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#[test]
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fn test_run_multi_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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"multi",
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"Initializing...\n\
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Compiling module...\n\
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Creating callback...\n\
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Instantiating module...\n\
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Extracting export...\n\
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Calling export...\n\
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Calling back...\n\
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> 1 2\n\
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\n\
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Printing result...\n\
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> 2 1\n\
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Shutting down...\n\
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Done.\n",
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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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fn test_run_gcd_example() {
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run_c_example("gcd", "gcd(6, 27) = 3\n");
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}
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