Initial commit: Go 1.23 release state

test/inline_caller.go

@@ -0,0 +1,77 @@
+// run -gcflags -l=4
+
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"fmt"
+	"runtime"
+)
+
+type frame struct {
+	pc   uintptr
+	file string
+	line int
+	ok   bool
+}
+
+var (
+	skip        int
+	globalFrame frame
+)
+
+func f() {
+	g() // line 27
+}
+
+func g() {
+	h() // line 31
+}
+
+func h() {
+	x := &globalFrame
+	x.pc, x.file, x.line, x.ok = runtime.Caller(skip) // line 36
+}
+
+//go:noinline
+func testCaller(skp int) frame {
+	skip = skp
+	f() // line 42
+	frame := globalFrame
+	if !frame.ok {
+		panic(fmt.Sprintf("skip=%d runtime.Caller failed", skp))
+	}
+	return frame
+}
+
+type wantFrame struct {
+	funcName string
+	line     int
+}
+
+// -1 means don't care
+var expected = []wantFrame{
+	0: {"main.h", 36},
+	1: {"main.g", 31},
+	2: {"main.f", 27},
+	3: {"main.testCaller", 42},
+	4: {"main.main", 68},
+	5: {"runtime.main", -1},
+	6: {"runtime.goexit", -1},
+}
+
+func main() {
+	for i := 0; i <= 6; i++ {
+		frame := testCaller(i) // line 68
+		fn := runtime.FuncForPC(frame.pc)
+		if expected[i].line >= 0 && frame.line != expected[i].line {
+			panic(fmt.Sprintf("skip=%d expected line %d, got line %d", i, expected[i].line, frame.line))
+		}
+		if fn.Name() != expected[i].funcName {
+			panic(fmt.Sprintf("skip=%d expected function %s, got %s", i, expected[i].funcName, fn.Name()))
+		}
+	}
+}