use super::*;use codex_git_utils::GitBaselineChange;use codex_git_utils::GitBaselineChangeStatus;use pretty_assertions::assert_eq;use std::fs;use tempfile::TempDir;#[test]fn render_workspace_diff_file_bounds_large_diff() {    let diff = GitBaselineDiff {        changes: vec![GitBaselineChange {            status: GitBaselineChangeStatus::Modified,            path: "MEMORY.md".to_string(),        }],        unified_diff: "a".repeat(crate::workspace_diff::MAX_BYTES + 128),    };    let rendered = render_workspace_diff_file(&diff);    assert!(rendered.contains("- M MEMORY.md"));    assert!(rendered.contains("[workspace diff truncated at 4194304 bytes]"));    assert!(rendered.ends_with("```\n"));}#[tokio::test]async fn reset_memory_workspace_baseline_removes_generated_diff() {    let home = TempDir::new().expect("tempdir");    let root = home.path().join("memories");    prepare_memory_workspace(&root)        .await        .expect("prepare memory workspace");    fs::write(root.join("MEMORY.md"), "memory").expect("write memory");    write_workspace_diff(        &root,        &GitBaselineDiff {            changes: vec![GitBaselineChange {                status: GitBaselineChangeStatus::Added,                path: "MEMORY.md".to_string(),            }],            unified_diff: "+memory\n".to_string(),        },    )    .await    .expect("write workspace diff");    reset_memory_workspace_baseline(&root)        .await        .expect("reset baseline");    assert!(!root.join(crate::workspace_diff::FILENAME).exists());    let diff = memory_workspace_diff(&root)        .await        .expect("load workspace diff");    assert_eq!(diff.changes, Vec::new());}#[tokio::test]async fn prepare_memory_workspace_recovers_unusable_git_dir() {    let home = TempDir::new().expect("tempdir");    let root = home.path().join("memories");    fs::create_dir_all(root.join(".git")).expect("create unusable git dir");    fs::write(root.join("MEMORY.md"), "memory").expect("write memory");    prepare_memory_workspace(&root)        .await        .expect("prepare memory workspace");    let diff = memory_workspace_diff(&root)        .await        .expect("load workspace diff");    assert_eq!(diff.changes, Vec::new());}#[test]fn previous_char_boundary_handles_multibyte_text() {    let text = "aé";    assert_eq!(previous_char_boundary(text, /*max_bytes*/ 2), 1);}