Update --keys-for-bin test (#3718)

docs/tutorials/crates/buffer/src/main.rs

@@ -5,16 +5,16 @@
 //! This is a demo project using blob data.
 //!
 //! This project requires a postcard data file. To generate it, please run:
-//! 
+//!
 //! ```sh
 //! $ cargo build --release
 //! $ make
 //! ```
 //!
 //! For more information, see the tutorial [cargo.md](../../cargo.md).
 
-use icu::calendar::DateTime;
-use icu::datetime::DateTimeFormatter;
+use icu::calendar::{DateTime, Gregorian};
+use icu::datetime::TypedDateTimeFormatter;
 use icu::locid::locale;
 use icu_provider_blob::BlobDataProvider;
 
@@ -25,19 +25,17 @@ fn main() {
     let provider = BlobDataProvider::try_new_from_blob(blob.into_boxed_slice())
         .expect("Deserialization should succeed");
 
-    let formatter = DateTimeFormatter::try_new_with_buffer_provider(
+    let formatter = TypedDateTimeFormatter::<Gregorian>::try_new_with_buffer_provider(
         &provider,
         &locale!("my").into(),
         Default::default(),
     )
     .expect("Locale 'my' should be present in testdata");
 
-    let datetime = DateTime::try_new_iso_datetime(2022, 12, 23, 12, 54, 29)
-        .expect("Valid constant ISO datetime");
+    let datetime = DateTime::try_new_gregorian_datetime(2022, 12, 23, 12, 54, 29)
+        .expect("Valid constant datetime");
 
-    let result = formatter
-        .format_to_string(&datetime.to_any())
-        .expect("Calendar matches formatter");
+    let result = formatter.format_to_string(&datetime);
 
     assert_eq!(result, "၂၀၂၂၊ ဒီ ၂၃ ၁၂:၅၄:၂၉");
     println!("{}", result);

provider/datagen/src/lib.rs

@@ -673,7 +673,7 @@ fn test_keys_from_file() {
     assert_eq!(
         keys_from_file(concat!(
             env!("CARGO_MANIFEST_DIR"),
-            "/tests/data/work_log+keys.txt"
+            "/tests/data/tutorial_buffer+keys.txt"
         ))
         .unwrap(),
         vec![
@@ -689,13 +689,12 @@ fn test_keys_from_file() {
 
 #[test]
 fn test_keys_from_bin() {
-    // File obtained by changing work_log.rs to use `try_new_with_buffer_provider` & `icu_testdata::small_buffer`
-    // and running `cargo +nightly-2022-04-18 wasm-build-release --examples -p icu_datetime --features serde \
-    // && cp target/wasm32-unknown-unknown/release-opt-size/examples/work_log.wasm provider/datagen/tests/data/`
+    // File obtained by running
+    // cargo +nightly --config docs/tutorials/testing/patch.toml build -p tutorial_buffer --target wasm32-unknown-unknown --release -Z build-std=std,panic_abort -Z build-std-features=panic_immediate_abort --manifest-path docs/tutorials/crates/buffer/Cargo.toml && cp docs/tutorials/target/wasm32-unknown-unknown/release/tutorial_buffer.wasm provider/datagen/tests/data/
     assert_eq!(
         keys_from_bin(concat!(
             env!("CARGO_MANIFEST_DIR"),
-            "/tests/data/work_log.wasm"
+            "/tests/data/tutorial_buffer.wasm"
         ))
         .unwrap(),
         vec![