test: 拆分 VM 测试并新增多项测试

crates/oxide_vm/tests/logical_tests.rs

@@ -0,0 +1,80 @@
+use oxide_compiler::compiler::Compiler;
+use oxide_parser::Allocator;
+use oxide_vm::vm::Vm;
+
+fn eval(source: &str) -> String {
+    let allocator = Allocator::default();
+    let program = match oxide_parser::parse(&allocator, source) {
+        Ok(p) => p,
+        Err(e) => return format!("parse error: {}", e[0].message),
+    };
+    let module = match Compiler::new().compile(&program) {
+        Ok(m) => m,
+        Err(e) => return format!("compile error: {e}"),
+    };
+    let mut vm = Vm::new();
+    match vm.run(&module) {
+        Ok(result) => format!("{result}"),
+        Err(e) => format!("vm error: {e}"),
+    }
+}
+
+#[test]
+fn eval_not_true() {
+    assert_eq!(eval("!true"), "false");
+}
+
+#[test]
+fn eval_not_false() {
+    assert_eq!(eval("!false"), "true");
+}
+
+#[test]
+fn eval_not_zero() {
+    assert_eq!(eval("!0"), "true");
+}
+
+#[test]
+fn eval_not_string() {
+    assert_eq!(eval("!'hello'"), "false");
+}
+
+#[test]
+fn eval_and_short_circuit() {
+    assert_eq!(eval("var x = 0; false && (x = 5); x"), "0");
+}
+
+#[test]
+fn eval_and_truthy() {
+    assert_eq!(eval("1 && 2"), "2");
+}
+
+#[test]
+fn eval_and_falsy_first() {
+    assert_eq!(eval("0 && 2"), "0");
+}
+
+#[test]
+fn eval_or_short_circuit() {
+    assert_eq!(eval("var x = 0; true || (x = 5); x"), "0");
+}
+
+#[test]
+fn eval_or_truthy_first() {
+    assert_eq!(eval("1 || 2"), "1");
+}
+
+#[test]
+fn eval_or_falsy_both() {
+    assert_eq!(eval("0 || false"), "false");
+}
+
+#[test]
+fn eval_and_chain() {
+    assert_eq!(eval("1 && 2 && 3"), "3");
+}
+
+#[test]
+fn eval_or_chain() {
+    assert_eq!(eval("0 || false || 42"), "42");
+}