1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jsapi-tests/testIndexToString.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,117 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include "jscntxt.h"
1.12 +#include "jscompartment.h"
1.13 +#include "jsnum.h"
1.14 +#include "jsstr.h"
1.15 +
1.16 +#include "jsapi-tests/tests.h"
1.17 +
1.18 +#include "vm/String-inl.h"
1.19 +
1.20 +using mozilla::ArrayLength;
1.21 +
1.22 +static const struct TestPair {
1.23 + uint32_t num;
1.24 + const char *expected;
1.25 +} tests[] = {
1.26 + { 0, "0" },
1.27 + { 1, "1" },
1.28 + { 2, "2" },
1.29 + { 9, "9" },
1.30 + { 10, "10" },
1.31 + { 15, "15" },
1.32 + { 16, "16" },
1.33 + { 17, "17" },
1.34 + { 99, "99" },
1.35 + { 100, "100" },
1.36 + { 255, "255" },
1.37 + { 256, "256" },
1.38 + { 257, "257" },
1.39 + { 999, "999" },
1.40 + { 1000, "1000" },
1.41 + { 4095, "4095" },
1.42 + { 4096, "4096" },
1.43 + { 9999, "9999" },
1.44 + { 1073741823, "1073741823" },
1.45 + { 1073741824, "1073741824" },
1.46 + { 1073741825, "1073741825" },
1.47 + { 2147483647, "2147483647" },
1.48 + { 2147483648u, "2147483648" },
1.49 + { 2147483649u, "2147483649" },
1.50 + { 4294967294u, "4294967294" },
1.51 + { 4294967295u, "4294967295" },
1.52 +};
1.53 +
1.54 +BEGIN_TEST(testIndexToString)
1.55 +{
1.56 + for (size_t i = 0, sz = ArrayLength(tests); i < sz; i++) {
1.57 + uint32_t u = tests[i].num;
1.58 + JSString *str = js::IndexToString(cx, u);
1.59 + CHECK(str);
1.60 +
1.61 + if (!js::StaticStrings::hasUint(u))
1.62 + CHECK(cx->compartment()->dtoaCache.lookup(10, u) == str);
1.63 +
1.64 + bool match = false;
1.65 + CHECK(JS_StringEqualsAscii(cx, str, tests[i].expected, &match));
1.66 + CHECK(match);
1.67 + }
1.68 +
1.69 + return true;
1.70 +}
1.71 +END_TEST(testIndexToString)
1.72 +
1.73 +BEGIN_TEST(testStringIsIndex)
1.74 +{
1.75 + for (size_t i = 0, sz = ArrayLength(tests); i < sz; i++) {
1.76 + uint32_t u = tests[i].num;
1.77 + JSFlatString *str = js::IndexToString(cx, u);
1.78 + CHECK(str);
1.79 +
1.80 + uint32_t n;
1.81 + CHECK(str->isIndex(&n));
1.82 + CHECK(u == n);
1.83 + }
1.84 +
1.85 + return true;
1.86 +}
1.87 +END_TEST(testStringIsIndex)
1.88 +
1.89 +BEGIN_TEST(testStringToPropertyName)
1.90 +{
1.91 + uint32_t index;
1.92 +
1.93 + static const jschar hiChars[] = { 'h', 'i' };
1.94 + JSFlatString *hiStr = NewString(cx, hiChars);
1.95 + CHECK(hiStr);
1.96 + CHECK(!hiStr->isIndex(&index));
1.97 + CHECK(hiStr->toPropertyName(cx) != nullptr);
1.98 +
1.99 + static const jschar maxChars[] = { '4', '2', '9', '4', '9', '6', '7', '2', '9', '5' };
1.100 + JSFlatString *maxStr = NewString(cx, maxChars);
1.101 + CHECK(maxStr);
1.102 + CHECK(maxStr->isIndex(&index));
1.103 + CHECK(index == UINT32_MAX);
1.104 +
1.105 + static const jschar maxPlusOneChars[] = { '4', '2', '9', '4', '9', '6', '7', '2', '9', '6' };
1.106 + JSFlatString *maxPlusOneStr = NewString(cx, maxPlusOneChars);
1.107 + CHECK(maxPlusOneStr);
1.108 + CHECK(!maxPlusOneStr->isIndex(&index));
1.109 + CHECK(maxPlusOneStr->toPropertyName(cx) != nullptr);
1.110 +
1.111 + return true;
1.112 +}
1.113 +
1.114 +template<size_t N> static JSFlatString *
1.115 +NewString(JSContext *cx, const jschar (&chars)[N])
1.116 +{
1.117 + return js_NewStringCopyN<js::CanGC>(cx, chars, N);
1.118 +}
1.119 +
1.120 +END_TEST(testStringToPropertyName)
