1// Copyright 2023 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// This file and importx_test.go make it possible to write tests in the runtime
6// package, which is generally more convenient for testing runtime internals.
7// For tests that mostly touch public APIs, it's generally easier to write them
8// in the runtime_test package and export any runtime internals via
9// export_test.go.
10//
11// There are a few limitations on runtime package tests that this bridges:
12//
13// 1. Tests use the signature "XTest<name>(t TestingT)". Since runtime can't import
14// testing, test functions can't use testing.T, so instead we have the T
15// interface, which *testing.T satisfies. And we start names with "XTest"
16// because otherwise go test will complain about Test functions with the wrong
17// signature. To actually expose these as test functions, this file contains
18// trivial wrappers.
19//
20// 2. Runtime package tests can't directly import other std packages, so we
21// inject any necessary functions from std.
22
23// TODO: Generate this
24
25package runtime_test
26
27import (
28	"fmt"
29	"internal/testenv"
30	"runtime"
31	"testing"
32)
33
34func init() {
35	runtime.FmtSprintf = fmt.Sprintf
36	runtime.TestenvOptimizationOff = testenv.OptimizationOff
37}
38
39func TestInlineUnwinder(t *testing.T) {
40	runtime.XTestInlineUnwinder(t)
41}
42
43func TestSPWrite(t *testing.T) {
44	runtime.XTestSPWrite(t)
45}
46