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package goja
import (
"hash/maphash"
"math"
"math/big"
"strconv"
"testing"
)
func testMapHashVal(v1, v2 Value, expected bool, t *testing.T) {
var h maphash.Hash
actual := v1.hash(&h) == v2.hash(&h)
if actual != expected {
t.Fatalf("testMapHashVal failed for %v, %v", v1, v2)
}
}
func TestMapHash(t *testing.T) {
testMapHashVal(_NaN, _NaN, true, t)
testMapHashVal(valueTrue, valueFalse, false, t)
testMapHashVal(valueTrue, valueTrue, true, t)
testMapHashVal(intToValue(0), _negativeZero, true, t)
testMapHashVal(asciiString("Test"), asciiString("Test"), true, t)
testMapHashVal(newStringValue("Тест"), newStringValue("Тест"), true, t)
testMapHashVal(floatToValue(1.2345), floatToValue(1.2345), true, t)
testMapHashVal(SymIterator, SymToStringTag, false, t)
testMapHashVal(SymIterator, SymIterator, true, t)
testMapHashVal((*valueBigInt)(big.NewInt(1)), (*valueBigInt)(big.NewInt(-1)), false, t)
testMapHashVal((*valueBigInt)(big.NewInt(1)), (*valueBigInt)(big.NewInt(1)), true, t)
// The following tests introduce indeterministic behaviour
//testMapHashVal(asciiString("Test"), asciiString("Test1"), false, t)
//testMapHashVal(newStringValue("Тест"), asciiString("Test"), false, t)
//testMapHashVal(newStringValue("Тест"), newStringValue("Тест1"), false, t)
}
func TestOrderedMap(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
for i := int64(0); i < 50; i++ {
m.set(intToValue(i), asciiString(strconv.FormatInt(i, 10)))
}
if m.size != 50 {
t.Fatalf("Unexpected size: %d", m.size)
}
for i := int64(0); i < 50; i++ {
expected := asciiString(strconv.FormatInt(i, 10))
actual := m.get(intToValue(i))
if !expected.SameAs(actual) {
t.Fatalf("Wrong value for %d", i)
}
}
for i := int64(0); i < 50; i += 2 {
if !m.remove(intToValue(i)) {
t.Fatalf("remove(%d) return false", i)
}
}
if m.size != 25 {
t.Fatalf("Unexpected size: %d", m.size)
}
iter := m.newIter()
count := 0
for {
entry := iter.next()
if entry == nil {
break
}
m.remove(entry.key)
count++
}
if count != 25 {
t.Fatalf("Unexpected iter count: %d", count)
}
if m.size != 0 {
t.Fatalf("Unexpected size: %d", m.size)
}
}
func TestOrderedMapCollision(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
n1 := uint64(123456789)
n2 := math.Float64frombits(n1)
n1Key := intToValue(int64(n1))
n2Key := floatToValue(n2)
m.set(n1Key, asciiString("n1"))
m.set(n2Key, asciiString("n2"))
if m.size == len(m.hashTable) {
t.Fatal("Expected a collision but there wasn't one")
}
if n2Val := m.get(n2Key); !asciiString("n2").SameAs(n2Val) {
t.Fatalf("unexpected n2Val: %v", n2Val)
}
if n1Val := m.get(n1Key); !asciiString("n1").SameAs(n1Val) {
t.Fatalf("unexpected nVal: %v", n1Val)
}
if !m.remove(n1Key) {
t.Fatal("removing n1Key returned false")
}
if n2Val := m.get(n2Key); !asciiString("n2").SameAs(n2Val) {
t.Fatalf("2: unexpected n2Val: %v", n2Val)
}
}
func TestOrderedMapIter(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
iter := m.newIter()
ent := iter.next()
if ent != nil {
t.Fatal("entry should be nil")
}
iter1 := m.newIter()
m.set(intToValue(1), valueTrue)
ent = iter.next()
if ent != nil {
t.Fatal("2: entry should be nil")
}
ent = iter1.next()
if ent == nil {
t.Fatal("entry is nil")
}
if !intToValue(1).SameAs(ent.key) {
t.Fatal("unexpected key")
}
if !valueTrue.SameAs(ent.value) {
t.Fatal("unexpected value")
}
}
func TestOrderedMapIterVisitAfterReAdd(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
one := intToValue(1)
two := intToValue(2)
m.set(one, valueTrue)
m.set(two, valueTrue)
iter := m.newIter()
entry := iter.next()
if !one.SameAs(entry.key) {
t.Fatalf("1: unexpected key: %v", entry.key)
}
if !m.remove(one) {
t.Fatal("remove returned false")
}
entry = iter.next()
if !two.SameAs(entry.key) {
t.Fatalf("2: unexpected key: %v", entry.key)
}
m.set(one, valueTrue)
entry = iter.next()
if entry == nil {
t.Fatal("entry is nil")
}
if !one.SameAs(entry.key) {
t.Fatalf("3: unexpected key: %v", entry.key)
}
}
func TestOrderedMapIterAddAfterClear(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
one := intToValue(1)
m.set(one, valueTrue)
iter := m.newIter()
iter.next()
m.clear()
m.set(one, valueTrue)
entry := iter.next()
if entry == nil {
t.Fatal("entry is nil")
}
if entry.key != one {
t.Fatalf("unexpected key: %v", entry.key)
}
entry = iter.next()
if entry != nil {
t.Fatalf("entry is not nil: %v", entry)
}
}
func TestOrderedMapIterDeleteCurrent(t *testing.T) {
m := newOrderedMap(&maphash.Hash{})
one := intToValue(1)
two := intToValue(2)
iter := m.newIter()
m.set(one, valueTrue)
m.set(two, valueTrue)
entry := iter.next()
if entry.key != one {
t.Fatalf("unexpected key: %v", entry.key)
}
m.remove(one)
entry = iter.next()
if entry.key != two {
t.Fatalf("2: unexpected key: %v", entry.key)
}
}
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