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📁 ..
📄 README(205 B)
📄 abiutils_test.go(14.51 KB)
📄 abiutilsaux_test.go(3.24 KB)
📄 align_test.go(1.57 KB)
📄 bench_test.go(2.08 KB)
📄 clobberdead_test.go(1.25 KB)
📄 constFold_test.go(322.99 KB)
📄 dep_test.go(858 B)
📄 divconst_test.go(7.74 KB)
📄 fixedbugs_test.go(2.24 KB)
📄 float_test.go(12.48 KB)
📄 global_test.go(2.59 KB)
📄 iface_test.go(1.92 KB)
📄 inl_test.go(8.19 KB)
📄 inst_test.go(2.21 KB)
📄 intrinsics_test.go(1.08 KB)
📄 issue50182_test.go(1.24 KB)
📄 lang_test.go(1.47 KB)
📄 logic_test.go(11.08 KB)
📄 mulconst_test.go(4.29 KB)
📄 race.go(1.33 KB)
📄 reproduciblebuilds_test.go(2.9 KB)
📄 shift_test.go(21.62 KB)
📄 ssa_test.go(5.12 KB)
📄 switch_test.go(2.29 KB)
📄 test.go(13 B)
📁 testdata
📄 truncconst_test.go(1.76 KB)
📄 zerorange_test.go(4.06 KB)

Editing: iface_test.go

// Copyright 2016 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 test

import "testing"

// Test to make sure we make copies of the values we
// put in interfaces.

var x int

func TestEfaceConv1(t *testing.T) {
	a := 5
	i := interface{}(a)
	a += 2
	if got := i.(int); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

func TestEfaceConv2(t *testing.T) {
	a := 5
	sink = &a
	i := interface{}(a)
	a += 2
	if got := i.(int); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

func TestEfaceConv3(t *testing.T) {
	x = 5
	if got := e2int3(x); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

//go:noinline
func e2int3(i interface{}) int {
	x = 7
	return i.(int)
}

func TestEfaceConv4(t *testing.T) {
	a := 5
	if got := e2int4(a, &a); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

//go:noinline
func e2int4(i interface{}, p *int) int {
	*p = 7
	return i.(int)
}

type Int int

var y Int

type I interface {
	foo()
}

func (i Int) foo() {
}

func TestIfaceConv1(t *testing.T) {
	a := Int(5)
	i := interface{}(a)
	a += 2
	if got := i.(Int); got != 5 {
		t.Errorf("wanted 5, got %d\n", int(got))
	}
}

func TestIfaceConv2(t *testing.T) {
	a := Int(5)
	sink = &a
	i := interface{}(a)
	a += 2
	if got := i.(Int); got != 5 {
		t.Errorf("wanted 5, got %d\n", int(got))
	}
}

func TestIfaceConv3(t *testing.T) {
	y = 5
	if got := i2Int3(y); got != 5 {
		t.Errorf("wanted 5, got %d\n", int(got))
	}
}

//go:noinline
func i2Int3(i I) Int {
	y = 7
	return i.(Int)
}

func TestIfaceConv4(t *testing.T) {
	a := Int(5)
	if got := i2Int4(a, &a); got != 5 {
		t.Errorf("wanted 5, got %d\n", int(got))
	}
}

//go:noinline
func i2Int4(i I, p *Int) Int {
	*p = 7
	return i.(Int)
}

func BenchmarkEfaceInteger(b *testing.B) {
	sum := 0
	for i := 0; i < b.N; i++ {
		sum += i2int(i)
	}
	sink = sum
}

//go:noinline
func i2int(i interface{}) int {
	return i.(int)
}

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Editing: iface_test.go

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