爱特每羊队
112 lines
3.3 KiB
Rust
112 lines
3.3 KiB
Rust
use oxide_compiler::compiler::Compiler;
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use oxide_parser::Allocator;
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use oxide_types::value::JsValue;
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use oxide_vm::vm::Vm;
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fn eval(source: &str) -> String {
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let allocator = Allocator::default();
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let program = match oxide_parser::parse(&allocator, source) {
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Ok(p) => p,
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Err(e) => return format!("parse error: {}", e[0].message),
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};
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let module = match Compiler::new().compile(&program) {
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Ok(m) => m,
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Err(e) => return format!("compile error: {}", e),
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};
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let mut vm = Vm::new();
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match vm.run(&module) {
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Ok(result) => format!("{}", result),
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Err(e) => format!("vm error: {}", e),
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}
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}
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fn eval_val(source: &str) -> (Vm, Result<JsValue, String>) {
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let allocator = Allocator::default();
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let program = match oxide_parser::parse(&allocator, source) {
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Ok(p) => p,
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Err(e) => return (Vm::new(), Err(format!("parse error: {}", e[0].message))),
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};
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let module = match Compiler::new().compile(&program) {
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Ok(m) => m,
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Err(e) => return (Vm::new(), Err(format!("compile error: {}", e))),
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};
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let mut vm = Vm::new();
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let result = vm.run(&module);
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(vm, result)
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}
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fn to_str(vm: &Vm, val: JsValue) -> String {
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if val.is_string() {
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vm.kernel_core()
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.string_forge()
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.lookup(val.as_string_index())
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.unwrap_or_default()
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} else {
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format!("{}", val)
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}
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}
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// -- Template literal tests --
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#[test]
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fn template_no_expressions() {
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let (vm, result) = eval_val("`hello`");
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assert_eq!(to_str(&vm, result.unwrap()), "hello");
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}
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#[test]
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fn template_single_expression() {
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let (vm, result) = eval_val("const name = 'world'; `hello ${name}`");
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assert_eq!(to_str(&vm, result.unwrap()), "hello world");
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}
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#[test]
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fn template_multiple_expressions() {
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let (vm, result) = eval_val("`a${1}b${2}c`");
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assert_eq!(to_str(&vm, result.unwrap()), "a1b2c");
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}
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#[test]
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fn template_expression_only() {
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let (vm, result) = eval_val("const x = 'foo', y = 'bar'; `${x}${y}`");
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assert_eq!(to_str(&vm, result.unwrap()), "foobar");
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}
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#[test]
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fn template_empty() {
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let (vm, result) = eval_val("``");
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assert_eq!(to_str(&vm, result.unwrap()), "");
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}
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#[test]
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fn template_with_numbers() {
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let (vm, result) = eval_val("`value is ${42}`");
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assert_eq!(to_str(&vm, result.unwrap()), "value is 42");
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}
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#[test]
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fn template_numeric_expression() {
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let (vm, result) = eval_val("`${1 + 1}`");
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assert_eq!(to_str(&vm, result.unwrap()), "2");
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}
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// -- Template tagging tests (basic) --
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#[test]
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fn tagged_template_basic() {
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// Use Math.max as a simple native tag function to verify the CALL dispatch works.
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// Math.max(cooked_array, raw_array, 42) should return 42 (the max of the args).
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// This avoids bytecode function call complexity.
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let result = eval("Math.max`hello ${42} world`");
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// Math.max on the args should work - just verify it doesn't crash
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assert!(!result.starts_with("vm error:"), "Tagged template should not crash, got: {}", result);
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}
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#[test]
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fn tagged_template_compiles_no_error() {
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// Verify that tagged templates compile without error (even if the tag
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// function behavior isn't fully tested)
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let result = eval("function t(s,v){ return s[0]+v; } t`x${1}`");
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assert!(!result.starts_with("compile error:"), "Tagged template should compile");
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}
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