vendor tsgo

tools/tsgo/internal/testutil/testutil.go

@@ -0,0 +1,49 @@
+package testutil
+
+import (
+	"os"
+	"runtime/debug"
+	"strconv"
+	"sync"
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/testutil/race"
+	"gotest.tools/v3/assert"
+)
+
+func AssertPanics(tb testing.TB, fn func(), expected any, msgAndArgs ...any) {
+	tb.Helper()
+
+	var got any
+
+	func() {
+		defer func() {
+			got = recover()
+		}()
+		fn()
+	}()
+
+	assert.Assert(tb, got != nil, msgAndArgs...)
+	assert.Equal(tb, got, expected, msgAndArgs...)
+}
+
+func RecoverAndFail(t *testing.T, msg string) {
+	if r := recover(); r != nil {
+		stack := debug.Stack()
+		t.Fatalf("%s:\n%v\n%s", msg, r, string(stack))
+	}
+}
+
+var testProgramIsSingleThreaded = sync.OnceValue(func() bool {
+	// Leave Program in SingleThreaded mode unless explicitly configured or in race mode.
+	if v := os.Getenv("TS_TEST_PROGRAM_SINGLE_THREADED"); v != "" {
+		if b, err := strconv.ParseBool(v); err == nil {
+			return b
+		}
+	}
+	return !race.Enabled
+})
+
+func TestProgramIsSingleThreaded() bool {
+	return testProgramIsSingleThreaded()
+}