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cmp: add test case for uinitptr

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This commit is contained in:
lxl-renren 2024-01-12 23:00:31 +08:00
parent b2dbfbfc23
commit 875ab08627
1 changed files with 10 additions and 0 deletions
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10
src/cmp/cmp_test.go
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@ -11,9 +11,12 @@ import (
"slices"
"sort"
"testing"
"unsafe"
)
var negzero = math.Copysign(0, -1)
var nonnilptr uintptr = uintptr(unsafe.Pointer(&negzero))
var nilptr uintptr = uintptr(unsafe.Pointer(nil))
var tests = []struct {
x, y any
@ -45,6 +48,9 @@ var tests = []struct {
{0.0, negzero, 0},
{negzero, 1.0, -1},
{negzero, -1.0, +1},
{nilptr, nonnilptr, -1},
{nonnilptr, nilptr, 1},
{nonnilptr, nonnilptr, 0},
}
func TestLess(t *testing.T) {
@ -57,6 +63,8 @@ func TestLess(t *testing.T) {
b = cmp.Less(test.x.(string), test.y.(string))
case float64:
b = cmp.Less(test.x.(float64), test.y.(float64))
case uintptr:
b = cmp.Less(test.x.(uintptr), test.y.(uintptr))
}
if b != (test.compare < 0) {
t.Errorf("Less(%v, %v) == %t, want %t", test.x, test.y, b, test.compare < 0)
@ -74,6 +82,8 @@ func TestCompare(t *testing.T) {
c = cmp.Compare(test.x.(string), test.y.(string))
case float64:
c = cmp.Compare(test.x.(float64), test.y.(float64))
case uintptr:
c = cmp.Compare(test.x.(uintptr), test.y.(uintptr))
}
if c != test.compare {
t.Errorf("Compare(%v, %v) == %d, want %d", test.x, test.y, c, test.compare)