chore: add bench case for cached source

Author: SyMind

benches/bench.rs

@@ -105,6 +105,31 @@ fn benchmark_concat_generate_string_with_cache(b: &mut Bencher) {
   })
 }
 
+fn benchmark_source_for_concat_generate_string_with_cache(b: &mut Bencher) {
+  let sms_minify = SourceMapSource::new(SourceMapSourceOptions {
+    value: HELLOWORLD_MIN_JS,
+    name: "helloworld.min.js",
+    source_map: SourceMap::from_json(HELLOWORLD_MIN_JS_MAP).unwrap(),
+    original_source: Some(HELLOWORLD_JS.to_string()),
+    inner_source_map: Some(SourceMap::from_json(HELLOWORLD_JS_MAP).unwrap()),
+    remove_original_source: false,
+  });
+  let sms_rollup = SourceMapSource::new(SourceMapSourceOptions {
+    value: BUNDLE_JS,
+    name: "bundle.js",
+    source_map: SourceMap::from_json(BUNDLE_JS_MAP).unwrap(),
+    original_source: None,
+    inner_source_map: None,
+    remove_original_source: false,
+  });
+  let concat = ConcatSource::new([sms_minify, sms_rollup]);
+  let cached = CachedSource::new(concat);
+
+  b.iter(|| {
+    cached.source();
+  })
+}
+
 fn benchmark_concat_generate_base64(b: &mut Bencher) {
   let sms_minify = SourceMapSource::new(SourceMapSourceOptions {
     value: HELLOWORLD_MIN_JS,
@@ -164,6 +189,31 @@ fn benchmark_concat_generate_base64_with_cache(b: &mut Bencher) {
   })
 }
 
+fn benchmark_source_for_concat_generate_base64_with_cache(b: &mut Bencher) {
+  let sms_minify = SourceMapSource::new(SourceMapSourceOptions {
+    value: HELLOWORLD_MIN_JS,
+    name: "helloworld.min.js",
+    source_map: SourceMap::from_json(HELLOWORLD_MIN_JS_MAP).unwrap(),
+    original_source: Some(HELLOWORLD_JS.to_string()),
+    inner_source_map: Some(SourceMap::from_json(HELLOWORLD_JS_MAP).unwrap()),
+    remove_original_source: false,
+  });
+  let sms_rollup = SourceMapSource::new(SourceMapSourceOptions {
+    value: BUNDLE_JS,
+    name: "bundle.js",
+    source_map: SourceMap::from_json(BUNDLE_JS_MAP).unwrap(),
+    original_source: None,
+    inner_source_map: None,
+    remove_original_source: false,
+  });
+  let concat = ConcatSource::new([sms_minify, sms_rollup]);
+  let cached = CachedSource::new(concat);
+
+  b.iter(|| {
+    cached.source();
+  })
+}
+
 fn benchmark_replace_large_minified_source(b: &mut Bencher) {
   let antd_minify = SourceMapSource::new(SourceMapSourceOptions {
     value: ANTD_MIN_JS,
@@ -278,6 +328,14 @@ fn bench_rspack_sources(criterion: &mut Criterion) {
     "concat_generate_string_as_key",
     benchmark_concat_generate_string_as_key,
   );
+  group.bench_function(
+    "source_for_concat_generate_string_with_cache",
+    benchmark_source_for_concat_generate_string_with_cache,
+  );
+  group.bench_function(
+    "source_for_concat_generate_base64_with_cache",
+    benchmark_source_for_concat_generate_base64_with_cache,
+  );
   group.finish();
 }