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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "jscntxt.h"
#include "jscompartment.h"
#include "jsnum.h"
#include "jsstr.h"
#include "jsapi-tests/tests.h"
#include "vm/String-inl.h"
using mozilla::ArrayLength;
static const struct TestPair {
uint32_t num;
const char* expected;
} tests[] = {
{ 0, "0" },
{ 1, "1" },
{ 2, "2" },
{ 9, "9" },
{ 10, "10" },
{ 15, "15" },
{ 16, "16" },
{ 17, "17" },
{ 99, "99" },
{ 100, "100" },
{ 255, "255" },
{ 256, "256" },
{ 257, "257" },
{ 999, "999" },
{ 1000, "1000" },
{ 4095, "4095" },
{ 4096, "4096" },
{ 9999, "9999" },
{ 1073741823, "1073741823" },
{ 1073741824, "1073741824" },
{ 1073741825, "1073741825" },
{ 2147483647, "2147483647" },
{ 2147483648u, "2147483648" },
{ 2147483649u, "2147483649" },
{ 4294967294u, "4294967294" },
{ 4294967295u, "4294967295" },
};
BEGIN_TEST(testIndexToString)
{
for (size_t i = 0, sz = ArrayLength(tests); i < sz; i++) {
uint32_t u = tests[i].num;
JSString* str = js::IndexToString(cx, u);
CHECK(str);
if (!js::StaticStrings::hasUint(u))
CHECK(cx->compartment()->dtoaCache.lookup(10, u) == str);
bool match = false;
CHECK(JS_StringEqualsAscii(cx, str, tests[i].expected, &match));
CHECK(match);
}
return true;
}
END_TEST(testIndexToString)
BEGIN_TEST(testStringIsIndex)
{
for (size_t i = 0, sz = ArrayLength(tests); i < sz; i++) {
uint32_t u = tests[i].num;
JSFlatString* str = js::IndexToString(cx, u);
CHECK(str);
uint32_t n;
CHECK(str->isIndex(&n));
CHECK(u == n);
}
return true;
}
END_TEST(testStringIsIndex)
BEGIN_TEST(testStringToPropertyName)
{
uint32_t index;
static const char16_t hiChars[] = { 'h', 'i' };
JSFlatString* hiStr = NewString(cx, hiChars);
CHECK(hiStr);
CHECK(!hiStr->isIndex(&index));
CHECK(hiStr->toPropertyName(cx) != nullptr);
static const char16_t maxChars[] = { '4', '2', '9', '4', '9', '6', '7', '2', '9', '5' };
JSFlatString* maxStr = NewString(cx, maxChars);
CHECK(maxStr);
CHECK(maxStr->isIndex(&index));
CHECK(index == UINT32_MAX);
static const char16_t maxPlusOneChars[] = { '4', '2', '9', '4', '9', '6', '7', '2', '9', '6' };
JSFlatString* maxPlusOneStr = NewString(cx, maxPlusOneChars);
CHECK(maxPlusOneStr);
CHECK(!maxPlusOneStr->isIndex(&index));
CHECK(maxPlusOneStr->toPropertyName(cx) != nullptr);
return true;
}
template<size_t N> static JSFlatString*
NewString(JSContext* cx, const char16_t (&chars)[N])
{
return js::NewStringCopyN<js::CanGC>(cx, chars, N);
}
END_TEST(testStringToPropertyName)
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