mirror of
https://github.com/denoland/deno.git
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132 lines
3.4 KiB
Rust
132 lines
3.4 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use rusty_v8 as v8;
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use serde::Serialize;
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use serde_json::json;
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use serde_v8::utils::{js_exec, v8_do};
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#[derive(Debug, Serialize, PartialEq)]
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struct MathOp {
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pub a: u64,
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pub b: u64,
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pub operator: Option<String>,
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}
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// Utility JS code (obj equality, etc...)
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const JS_UTILS: &str = r#"
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// Shallow obj equality (don't use deep objs for now)
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function objEqual(a, b) {
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const ka = Object.keys(a);
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const kb = Object.keys(b);
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return ka.length === kb.length && ka.every(k => a[k] === b[k]);
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}
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function arrEqual(a, b) {
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return a.length === b.length && a.every((v, i) => v === b[i]);
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}
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"#;
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fn sercheck<T: Serialize>(val: T, code: &str) -> bool {
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let mut equal = false;
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v8_do(|| {
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// Setup isolate
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let isolate = &mut v8::Isolate::new(v8::CreateParams::default());
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let handle_scope = &mut v8::HandleScope::new(isolate);
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let context = v8::Context::new(handle_scope);
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let scope = &mut v8::ContextScope::new(handle_scope, context);
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// Set value as "x" in global scope
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let global = context.global(scope);
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let v8_key = serde_v8::to_v8(scope, "x").unwrap();
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let v8_val = serde_v8::to_v8(scope, val).unwrap();
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global.set(scope, v8_key, v8_val);
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// Load util functions
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js_exec(scope, JS_UTILS);
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// Execute equality check in JS (e.g: x == ...)
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let v = js_exec(scope, code);
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// Cast to bool
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equal = serde_v8::from_v8(scope, v).unwrap();
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});
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equal
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}
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macro_rules! sertest {
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($fn_name:ident, $rust:expr, $src:expr) => {
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#[test]
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fn $fn_name() {
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assert!(
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sercheck($rust, $src),
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"Expected: {} where x={:?}",
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$src,
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$rust,
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);
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}
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};
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}
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sertest!(ser_option_some, Some(true), "x === true");
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sertest!(ser_option_null, None as Option<bool>, "x === null");
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sertest!(ser_unit_null, (), "x === null");
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sertest!(ser_bool, true, "x === true");
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sertest!(ser_u64, 32, "x === 32");
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sertest!(ser_f64, 12345.0, "x === 12345.0");
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sertest!(ser_string, "Hello".to_owned(), "x === 'Hello'");
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sertest!(ser_vec_u64, vec![1, 2, 3, 4, 5], "arrEqual(x, [1,2,3,4,5])");
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sertest!(
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ser_vec_string,
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vec!["hello".to_owned(), "world".to_owned(),],
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"arrEqual(x, ['hello', 'world'])"
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);
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sertest!(ser_tuple, (123, true, ()), "arrEqual(x, [123, true, null])");
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sertest!(
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ser_mathop,
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MathOp {
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a: 1,
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b: 3,
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operator: None
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},
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"objEqual(x, {a: 1, b: 3, operator: null})"
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);
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sertest!(
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ser_map,
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{
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let map: std::collections::BTreeMap<&str, u32> =
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vec![("a", 1), ("b", 2), ("c", 3)].drain(..).collect();
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map
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},
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"objEqual(x, {a: 1, b: 2, c: 3})"
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);
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////
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// JSON tests: json!() compatibility
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////
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sertest!(ser_json_bool, json!(true), "x === true");
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sertest!(ser_json_null, json!(null), "x === null");
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sertest!(ser_json_int, json!(123), "x === 123");
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sertest!(ser_json_f64, json!(123.45), "x === 123.45");
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sertest!(ser_json_string, json!("Hello World"), "x === 'Hello World'");
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sertest!(ser_json_obj_empty, json!({}), "objEqual(x, {})");
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sertest!(
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ser_json_obj,
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json!({"a": 1, "b": 2, "c": true}),
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"objEqual(x, {a: 1, b: 2, c: true})"
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);
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sertest!(
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ser_json_vec_int,
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json!([1, 2, 3, 4, 5]),
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"arrEqual(x, [1,2,3,4,5])"
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);
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sertest!(
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ser_json_vec_string,
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json!(["Goodbye", "Dinosaurs 👋☄️"]),
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"arrEqual(x, ['Goodbye', 'Dinosaurs 👋☄️'])"
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);
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sertest!(
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ser_json_tuple,
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json!([true, 42, "nabla"]),
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"arrEqual(x, [true, 42, 'nabla'])"
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);
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