vendor tsgo

tools/tsgo/internal/binder/binder_test.go

@@ -0,0 +1,46 @@
+package binder
+
+import (
+	"runtime"
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/ast"
+	"github.com/microsoft/typescript-go/internal/core"
+	"github.com/microsoft/typescript-go/internal/parser"
+	"github.com/microsoft/typescript-go/internal/testutil/fixtures"
+	"github.com/microsoft/typescript-go/internal/tspath"
+	"github.com/microsoft/typescript-go/internal/vfs/osvfs"
+)
+
+func BenchmarkBind(b *testing.B) {
+	for _, f := range fixtures.BenchFixtures {
+		b.Run(f.Name(), func(b *testing.B) {
+			f.SkipIfNotExist(b)
+
+			fileName := tspath.GetNormalizedAbsolutePath(f.Path(), "/")
+			path := tspath.ToPath(fileName, "/", osvfs.FS().UseCaseSensitiveFileNames())
+			sourceText := f.ReadFile(b)
+
+			parseOptions := ast.SourceFileParseOptions{
+				FileName: fileName,
+				Path:     path,
+			}
+			scriptKind := core.GetScriptKindFromFileName(fileName)
+
+			sourceFiles := make([]*ast.SourceFile, b.N)
+			for i := range b.N {
+				sourceFiles[i] = parser.ParseSourceFile(parseOptions, sourceText, scriptKind)
+			}
+
+			// The above parses do a lot of work; ensure GC is finished before we start collecting performance data.
+			// GC must be called twice to allow things to settle.
+			runtime.GC()
+			runtime.GC()
+
+			b.ResetTimer()
+			for i := range b.N {
+				BindSourceFile(sourceFiles[i])
+			}
+		})
+	}
+}