mirror of
https://github.com/fluencelabs/wasmer
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36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
//! This file will run at build time to autogenerate the Emscripten tests
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//! It will compile the files indicated in TESTS, to:executable and .wasm
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//! - Compile using cc and get the output from it (expected output)
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//! - Compile using emcc and get the .wasm from it (wasm)
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//! - Generate the test that will compare the output of running the .wasm file
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//! with wasmer with the expected output
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use std::env;
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use std::fs;
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use std::path::PathBuf;
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static BANNER: &str = "// Rust test file autogenerated with cargo build (build/emtests.rs).
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// Please do NOT modify it by hand, as it will be reseted on next build.\n";
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const TESTS: [&str; 1] = [
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"emtests/localtime.c"
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];
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pub fn build() {
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let rust_test_modpath = concat!(env!("CARGO_MANIFEST_DIR"), "/src/emtests/mod.rs");
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let mut modules: Vec<String> = Vec::new();
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// modules.reserve_exact(TESTS.len());
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modules.insert(0, BANNER.to_string());
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// We add an empty line
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modules.push("".to_string());
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let modfile: String = modules.join("\n");
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let source = fs::read(&rust_test_modpath).unwrap();
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// We only modify the mod file if has changed
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if source != modfile.as_bytes() {
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fs::write(&rust_test_modpath, modfile.as_bytes()).unwrap();
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}
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}
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