fix: 测试改用变量操作数规避常量折叠

Cargo.lock

@@ -1160,7 +1160,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_builtins"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "chrono",
  "fast-float",
@@ -1185,7 +1185,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_bytecode"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "num-bigint",
  "oxide_log",
@@ -1193,7 +1193,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cfg"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_emit",
@@ -1204,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cli"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "ansi_term",
  "bumpalo",
@@ -1228,7 +1228,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_code_cache"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "lru",
  "oxide_bytecode",
@@ -1237,7 +1237,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_compiler"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1258,7 +1258,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_dce"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1272,7 +1272,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_emit"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "num-bigint",
  "oxc_allocator",
@@ -1288,7 +1288,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_engine"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1300,7 +1300,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_fold"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "num-bigint",
  "oxide_bytecode",
@@ -1312,7 +1312,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_ir"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_log",
@@ -1321,7 +1321,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_kernel"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1335,7 +1335,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_liveness"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1347,7 +1347,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_log"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -1356,11 +1356,11 @@ dependencies = [
 
 [[package]]
 name = "oxide_net"
-version = "0.18.1"
+version = "0.18.2"
 
 [[package]]
 name = "oxide_parser"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxc_allocator",
  "oxc_ast",
@@ -1375,7 +1375,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_regalloc"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1391,7 +1391,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_runtime_api"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "num-bigint",
  "num-traits",
@@ -1404,7 +1404,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_test262"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1424,7 +1424,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_types"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1437,7 +1437,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_vm"
-version = "0.18.1"
+version = "0.18.2"
 dependencies = [
  "bumpalo",
  "chrono",

Cargo.toml

@@ -25,7 +25,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.18.1"
+version = "0.18.2"
 edition = "2021"
 license = "MIT"
 rust-version = "1.80"

crates/oxide_cli/tests/cli_smoke.rs

@@ -93,7 +93,7 @@ fn bench_help() {
 #[test]
 fn eval_trace_flag_pc_lines() {
     let output = Command::new(env!("CARGO_BIN_EXE_oxide"))
-        .args(["eval", "--trace", "1 + 2"])
+        .args(["eval", "--trace", "var a = 1; var b = 2; a + b"])
         .output()
         .expect("failed to run oxide eval --trace");
 

crates/oxide_vm/tests/concat_n_tests.rs

@@ -42,10 +42,11 @@ fn eval_str(source: &str) -> String {
 #[test]
 fn concat_n_three_form_mixed_anchors() {
     // 数值前缀折叠保证 1+2+"3" = "33"（非 "123"）；字符串开头整链拼接；中缀字符串同理。
-    assert_eq!(eval_str("1 + 2 + \"3\""), "33");
+    // 首操作数用变量避免常量折叠，保证链走 CONCAT_N 运行期路径。
-    assert_eq!(eval_str("\"1\" + 2 + 3"), "123");
+    assert_eq!(eval_str("var a = 1; a + 2 + \"3\""), "33");
-    assert_eq!(eval_str("1 + \"2\" + 3"), "123");
+    assert_eq!(eval_str("var s = \"1\"; s + 2 + 3"), "123");
-    assert_eq!(eval_str("\"a\" + 1 + 2"), "a12");
+    assert_eq!(eval_str("var a = 1; a + \"2\" + 3"), "123");
+    assert_eq!(eval_str("var s = \"a\"; s + 1 + 2"), "a12");
 }
 
 #[test]
@@ -60,10 +61,11 @@ fn concat_n_pure_numeric_folds_like_left_assoc() {
 fn concat_n_bigint_mix_semantics() {
     // 全 BigInt 链折叠；BigInt 混合在第一个混合点抛 TypeError（与 (1+2n) 同位置）；
     // BigInt + 字符串开头走字符串模式。
+    // 混合链首操作数用变量避免常量折叠，保证走 CONCAT_N 运行期语义。
     assert_eq!(eval_str("1n + 2n + 3n"), "6");
-    let err = eval(&mut Vm::new(), "1 + 2n + \"a\"").unwrap_err();
+    let err = eval(&mut Vm::new(), "var a = 1; a + 2n + \"a\"").unwrap_err();
     assert!(err.contains("TypeError"), "expected TypeError, got {err}");
-    assert_eq!(eval_str("1n + \"a\" + 2"), "1a2");
+    assert_eq!(eval_str("var b = 1n; b + \"a\" + 2"), "1a2");
 }
 
 #[test]