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cmd/compile: enable two orphaned tests

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These tests weren't being run.  Re-enable them.

R=go1.12

Change-Id: I8d3cd09b7f07e4c39f855ddb9be000718ec86494
Reviewed-on: https://go-review.googlesource.com/127117
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Keith Randall 2018-07-31 16:06:09 -07:00 committed by Keith Randall
parent dca709da1d
commit 707fd452e6
3 changed files with 56 additions and 77 deletions
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27
src/cmd/compile/internal/gc/testdata/cmp.go → src/cmd/compile/internal/gc/testdata/cmp_test.go vendored
View File

@ -5,9 +5,7 @@
// cmp_ssa.go tests compare simplification operations.
package main
import "fmt"
var failed = false
import "testing"
//go:noinline
func eq_ssa(a int64) bool {
@ -19,30 +17,21 @@ func neq_ssa(a int64) bool {
return 10 != a+4
}
func testCmp() {
func testCmp(t *testing.T) {
if wanted, got := true, eq_ssa(6); wanted != got {
fmt.Printf("eq_ssa: expected %v, got %v\n", wanted, got)
failed = true
t.Errorf("eq_ssa: expected %v, got %v\n", wanted, got)
}
if wanted, got := false, eq_ssa(7); wanted != got {
fmt.Printf("eq_ssa: expected %v, got %v\n", wanted, got)
failed = true
t.Errorf("eq_ssa: expected %v, got %v\n", wanted, got)
}
if wanted, got := false, neq_ssa(6); wanted != got {
fmt.Printf("neq_ssa: expected %v, got %v\n", wanted, got)
failed = true
t.Errorf("neq_ssa: expected %v, got %v\n", wanted, got)
}
if wanted, got := true, neq_ssa(7); wanted != got {
fmt.Printf("neq_ssa: expected %v, got %v\n", wanted, got)
failed = true
t.Errorf("neq_ssa: expected %v, got %v\n", wanted, got)
}
}
func main() {
testCmp()
if failed {
panic("failed")
}
func TestCmp(t *testing.T) {
testCmp(t)
}

58
src/cmd/compile/internal/gc/testdata/divbyzero.go vendored
View File

@ -1,58 +0,0 @@
package main
import (
"fmt"
"runtime"
)
var failed = false
func checkDivByZero(f func()) (divByZero bool) {
defer func() {
if r := recover(); r != nil {
if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {
divByZero = true
}
}
}()
f()
return false
}
//go:noinline
func a(i uint, s []int) int {
return s[i%uint(len(s))]
}
//go:noinline
func b(i uint, j uint) uint {
return i / j
}
//go:noinline
func c(i int) int {
return 7 / (i - i)
}
func main() {
if got := checkDivByZero(func() { b(7, 0) }); !got {
fmt.Printf("expected div by zero for b(7, 0), got no error\n")
failed = true
}
if got := checkDivByZero(func() { b(7, 7) }); got {
fmt.Printf("expected no error for b(7, 7), got div by zero\n")
failed = true
}
if got := checkDivByZero(func() { a(4, nil) }); !got {
fmt.Printf("expected div by zero for a(4, nil), got no error\n")
failed = true
}
if got := checkDivByZero(func() { c(5) }); !got {
fmt.Printf("expected div by zero for c(5), got no error\n")
failed = true
}
if failed {
panic("tests failed")
}
}

48
src/cmd/compile/internal/gc/testdata/divbyzero_test.go vendored Normal file
View File

@ -0,0 +1,48 @@
package main
import (
"runtime"
"testing"
)
func checkDivByZero(f func()) (divByZero bool) {
defer func() {
if r := recover(); r != nil {
if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {
divByZero = true
}
}
}()
f()
return false
}
//go:noinline
func div_a(i uint, s []int) int {
return s[i%uint(len(s))]
}
//go:noinline
func div_b(i uint, j uint) uint {
return i / j
}
//go:noinline
func div_c(i int) int {
return 7 / (i - i)
}
func TestDivByZero(t *testing.T) {
if got := checkDivByZero(func() { div_b(7, 0) }); !got {
t.Errorf("expected div by zero for b(7, 0), got no error\n")
}
if got := checkDivByZero(func() { div_b(7, 7) }); got {
t.Errorf("expected no error for b(7, 7), got div by zero\n")
}
if got := checkDivByZero(func() { div_a(4, nil) }); !got {
t.Errorf("expected div by zero for a(4, nil), got no error\n")
}
if got := checkDivByZero(func() { div_c(5) }); !got {
t.Errorf("expected div by zero for c(5), got no error\n")
}
}