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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* 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
#include "jsnum.h"
#include "jsapi-tests/tests.h"
#include "vm/JSContext.h"
#include "vm/Realm.h"
#include "vm/StaticStrings.h"
#include "vm/StringType-inl.h"
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"},
};
BEGIN_TEST(testIndexToString) {
for (const auto& test : tests) {
uint32_t u = test.num;
JSString* str = js::IndexToString(cx, u);
CHECK(str);
if (!js::StaticStrings::hasUint(u)) {
CHECK(cx->realm()->dtoaCache.lookup(10, u) == str);
}
bool match = false;
CHECK(JS_StringEqualsAscii(cx, str, test.expected, &match));
CHECK(match);
}
return true;
}
END_TEST(testIndexToString)
BEGIN_TEST(testStringIsIndex) {
for (const auto& test : tests) {
uint32_t u = test.num;
JSLinearString* 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'};
JSLinearString* 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', '4'};
JSLinearString* maxStr = NewString(cx, maxChars);
CHECK(maxStr);
CHECK(maxStr->isIndex(&index));
CHECK(index == UINT32_MAX - 1);
static const char16_t maxPlusOneChars[] = {'4', '2', '9', '4', '9',
'6', '7', '2', '9', '5'};
JSLinearString* maxPlusOneStr = NewString(cx, maxPlusOneChars);
CHECK(maxPlusOneStr);
CHECK(!maxPlusOneStr->isIndex(&index));
CHECK(maxPlusOneStr->toPropertyName(cx) != nullptr);
static const char16_t maxNonUint32Chars[] = {'4', '2', '9', '4', '9',
'6', '7', '2', '9', '6'};
JSLinearString* maxNonUint32Str = NewString(cx, maxNonUint32Chars);
CHECK(maxNonUint32Str);
CHECK(!maxNonUint32Str->isIndex(&index));
CHECK(maxNonUint32Str->toPropertyName(cx) != nullptr);
return true;
}
template <size_t N>
static JSLinearString* NewString(JSContext* cx, const char16_t (&chars)[N]) {
return js::NewStringCopyN<js::CanGC>(cx, chars, N);
}
END_TEST(testStringToPropertyName)