From 6310e8c671ddaed5d71736f206242963066ef021 Mon Sep 17 00:00:00 2001
From: pjh456 <147148383@qq.com>
Date: Sat, 26 Sep 2026 12:40:47 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20eval=20=E6=95=B0=E7=BB=84=E8=BE=93?=
 =?UTF-8?q?=E5=87=BA=E6=94=B9=E8=AF=BB=E5=85=83=E7=B4=A0=E5=8C=BA?=
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---
 crates/oxide_cli/src/main.rs        |  3 ++-
 crates/oxide_cli/tests/cli_smoke.rs | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/crates/oxide_cli/src/main.rs b/crates/oxide_cli/src/main.rs
index 9aa5f62d..1d90f65d 100644
--- a/crates/oxide_cli/src/main.rs
+++ b/crates/oxide_cli/src/main.rs
@@ -286,7 +286,8 @@ fn format_object(
 fn format_array(
     vm: &oxide_vm::vm::Vm, string_forge: &PermInterner, shape_forge: &ShapeForge, obj: &JsObject,
 ) -> String {
-    let len = obj.prop_vec_len();
+    // 数组元素在独立元素区，命名属性区长度恒 0；元素区未分配时 get_prop_at 自然返回 undefined。
+    let len = obj.array_prop_count as usize;
     let mut items = Vec::new();
     for i in 0..len {
         let val = obj.get_prop_at(i);
diff --git a/crates/oxide_cli/tests/cli_smoke.rs b/crates/oxide_cli/tests/cli_smoke.rs
index 8878573b..537612b7 100644
--- a/crates/oxide_cli/tests/cli_smoke.rs
+++ b/crates/oxide_cli/tests/cli_smoke.rs
@@ -51,6 +51,18 @@ fn run_throw_script() {
     assert!(!stderr.is_empty(), "run 失败应输出 stderr: {stderr}");
 }
 
+#[test]
+fn eval_array_output() {
+    let output = Command::new(env!("CARGO_BIN_EXE_oxide"))
+        .args(["eval", "var a = [1, 2, 3]; a"])
+        .output()
+        .expect("failed to run oxide eval array");
+
+    assert!(output.status.success(), "eval array should exit 0");
+    let stdout = String::from_utf8_lossy(&output.stdout);
+    assert!(stdout.trim() == "[1, 2, 3]", "eval 数组应打印元素区内容: {stdout}");
+}
+
 #[test]
 fn bench_help() {
     let output = Command::new(env!("CARGO_BIN_EXE_oxide"))