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package tensor
import "testing"
func TestMemoryFlag(t *testing.T) {
var defaultFlag MemoryFlag
if defaultFlag.manuallyManaged() || !defaultFlag.nativelyAccessible() {
t.Errorf("Something went wrong with the creation of flags")
}
a := ManuallyManaged
if !a.manuallyManaged() {
t.Errorf("Expected ManuallyManaged to be true")
}
if !a.nativelyAccessible() {
t.Errorf("Expected ManuallyManaged to be nativelyAccessible")
}
b := NativelyInaccessible
if b.manuallyManaged() {
t.Errorf("Expected NativelyInaccessible to not be manually managed")
}
if b.nativelyAccessible() {
t.Errorf("Expected NativelyInaccessible to be false %v", b.nativelyAccessible())
}
c := MakeMemoryFlag(ManuallyManaged, NativelyInaccessible)
if !c.manuallyManaged() {
t.Errorf("Expected c to be manually managed")
}
if c.nativelyAccessible() {
t.Errorf("Expected c to be natively inaccessible")
}
}
func TestDataOrder(t *testing.T) {
var defaultFlag DataOrder
if defaultFlag.IsColMajor() || defaultFlag.IsNotContiguous() || defaultFlag.IsTransposed() {
t.Error("Expected default flag to be row major and contiguous and not transposed")
}
if !(defaultFlag.IsRowMajor() && defaultFlag.IsContiguous()) {
t.Error("Expected default flag to be row major and contiguous")
}
if defaultFlag.String() != "Contiguous, RowMajor" {
t.Errorf("Expected string is \"Contiguous, RowMajor\". Got %q", defaultFlag.String())
}
ncrm := MakeDataOrder(NonContiguous)
if ncrm.IsColMajor() || ncrm.IsContiguous() {
t.Error("Expected noncontiguous row major.")
}
if ncrm.String() != "NonContiguous, RowMajor" {
t.Errorf("Expected string is \"NonContiguous, RowMajor\". Got %q", defaultFlag.String())
}
cm := ColMajor
if cm.IsRowMajor() {
t.Error("colMajor cannot be rowMajor")
}
if cm.IsNotContiguous() {
t.Error("ColMajor by default is contiguous")
}
if cm.String() != "Contiguous, ColMajor" {
t.Errorf(`Expected string is "Contiguous, ColMajor". Got %q`, cm.String())
}
// check toggle
rm := cm.toggleColMajor()
if rm.IsColMajor() {
t.Errorf("toggled cm should be rm")
}
cm = rm.toggleColMajor()
if cm.IsRowMajor() {
t.Errorf("toggled rm should be cm")
}
transposed := MakeDataOrder(Transposed)
if !transposed.IsTransposed() {
t.Error("Expected transposed flag to be set")
}
if transposed.String() != "Contiguous, RowMajorᵀ" {
t.Errorf("Expected string is \"Contiguous, RowMajorᵀ\". Got %q", defaultFlag.String())
}
untransposed := transposed.clearTransposed()
if untransposed != defaultFlag {
t.Error("Expected default flag after untransposing")
}
}
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