Line data Source code
1 : // Copyright 2011 the V8 project authors. All rights reserved.
2 : // Redistribution and use in source and binary forms, with or without
3 : // modification, are permitted provided that the following conditions are
4 : // met:
5 : //
6 : // * Redistributions of source code must retain the above copyright
7 : // notice, this list of conditions and the following disclaimer.
8 : // * Redistributions in binary form must reproduce the above
9 : // copyright notice, this list of conditions and the following
10 : // disclaimer in the documentation and/or other materials provided
11 : // with the distribution.
12 : // * Neither the name of Google Inc. nor the names of its
13 : // contributors may be used to endorse or promote products derived
14 : // from this software without specific prior written permission.
15 : //
16 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 :
28 : #include <stdlib.h>
29 :
30 : #include "src/base/platform/platform.h"
31 : #include "src/conversions.h"
32 : #include "src/heap/factory-inl.h"
33 : #include "src/isolate.h"
34 : #include "src/objects.h"
35 : #include "src/objects/heap-number-inl.h"
36 : #include "src/objects/smi.h"
37 : #include "src/v8.h"
38 : #include "test/cctest/cctest.h"
39 :
40 : namespace v8 {
41 : namespace internal {
42 :
43 26644 : TEST(Hex) {
44 5 : CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
45 5 : CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
46 5 : CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
47 5 : CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
48 5 : CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
49 5 : CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
50 :
51 5 : CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX));
52 5 : CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX));
53 5 : CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX));
54 5 : CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX));
55 5 : CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX));
56 5 : CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX));
57 5 : }
58 :
59 :
60 26644 : TEST(Octal) {
61 5 : CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
62 5 : CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
63 5 : CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
64 5 : CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
65 5 : CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
66 5 : CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
67 :
68 5 : CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL));
69 5 : CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL));
70 5 : CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL));
71 5 : CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL));
72 5 : CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL));
73 5 : CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL));
74 5 : }
75 :
76 :
77 26644 : TEST(ImplicitOctal) {
78 5 : CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
79 5 : CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
80 5 : CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
81 5 : CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
82 5 : CHECK_EQ(8.0, StringToDouble("010", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
83 5 : CHECK_EQ(63.0, StringToDouble("077", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
84 :
85 5 : CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX));
86 5 : CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX));
87 5 : CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX));
88 5 : CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX));
89 5 : CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX));
90 5 : CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX));
91 :
92 : const double x = 010000000000; // Power of 2, no rounding errors.
93 5 : CHECK_EQ(x * x * x * x * x, StringToDouble("01"
94 : "0000000000"
95 : "0000000000"
96 : "0000000000"
97 : "0000000000"
98 : "0000000000",
99 : ALLOW_IMPLICIT_OCTAL));
100 5 : }
101 :
102 :
103 26644 : TEST(Binary) {
104 5 : CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
105 5 : CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
106 5 : CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
107 5 : CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
108 5 : CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
109 :
110 5 : CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY));
111 5 : CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY));
112 5 : CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY));
113 5 : CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY));
114 5 : CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY));
115 5 : }
116 :
117 :
118 26644 : TEST(MalformedOctal) {
119 5 : CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
120 5 : CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
121 5 : CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
122 :
123 5 : CHECK(std::isnan(StringToDouble("07.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
124 5 : CHECK(std::isnan(StringToDouble("07.8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
125 5 : CHECK(std::isnan(StringToDouble("07e8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
126 5 : CHECK(std::isnan(StringToDouble("07e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
127 :
128 5 : CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
129 5 : CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
130 :
131 5 : CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
132 5 : CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
133 :
134 5 : CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX));
135 5 : CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX));
136 5 : CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX));
137 :
138 5 : CHECK_EQ(7.7, StringToDouble("07.7", ALLOW_HEX));
139 5 : CHECK_EQ(7.8, StringToDouble("07.8", ALLOW_HEX));
140 5 : CHECK_EQ(7e8, StringToDouble("07e8", ALLOW_HEX));
141 5 : CHECK_EQ(7e7, StringToDouble("07e7", ALLOW_HEX));
142 :
143 5 : CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX));
144 5 : CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX));
145 :
146 5 : CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX));
147 5 : CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX));
148 5 : }
149 :
150 :
151 26644 : TEST(TrailingJunk) {
152 5 : CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK));
153 5 : CHECK_EQ(63.0, StringToDouble("077qqq",
154 : ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
155 5 : CHECK_EQ(10.0,
156 : StringToDouble("10e", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
157 5 : CHECK_EQ(10.0,
158 : StringToDouble("10e-", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
159 5 : }
160 :
161 :
162 26644 : TEST(NonStrDecimalLiteral) {
163 5 : CHECK(std::isnan(
164 : StringToDouble(" ", NO_FLAGS, std::numeric_limits<double>::quiet_NaN())));
165 5 : CHECK(std::isnan(
166 : StringToDouble("", NO_FLAGS, std::numeric_limits<double>::quiet_NaN())));
167 5 : CHECK(std::isnan(
168 : StringToDouble(" ", NO_FLAGS, std::numeric_limits<double>::quiet_NaN())));
169 5 : CHECK_EQ(0.0, StringToDouble("", NO_FLAGS));
170 5 : CHECK_EQ(0.0, StringToDouble(" ", NO_FLAGS));
171 5 : }
172 :
173 :
174 26644 : TEST(IntegerStrLiteral) {
175 5 : CHECK_EQ(0.0, StringToDouble("0.0", NO_FLAGS));
176 5 : CHECK_EQ(0.0, StringToDouble("0", NO_FLAGS));
177 5 : CHECK_EQ(0.0, StringToDouble("00", NO_FLAGS));
178 5 : CHECK_EQ(0.0, StringToDouble("000", NO_FLAGS));
179 5 : CHECK_EQ(1.0, StringToDouble("1", NO_FLAGS));
180 5 : CHECK_EQ(-1.0, StringToDouble("-1", NO_FLAGS));
181 5 : CHECK_EQ(-1.0, StringToDouble(" -1 ", NO_FLAGS));
182 5 : CHECK_EQ(1.0, StringToDouble(" +1 ", NO_FLAGS));
183 5 : CHECK(std::isnan(StringToDouble(" - 1 ", NO_FLAGS)));
184 5 : CHECK(std::isnan(StringToDouble(" + 1 ", NO_FLAGS)));
185 :
186 5 : CHECK_EQ(0.0, StringToDouble("0e0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
187 5 : CHECK_EQ(0.0, StringToDouble("0e1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
188 5 : CHECK_EQ(0.0, StringToDouble("0e-1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
189 5 : CHECK_EQ(0.0, StringToDouble("0e-100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
190 5 : CHECK_EQ(0.0, StringToDouble("0e+100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
191 5 : CHECK_EQ(0.0, StringToDouble("0.", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
192 5 : }
193 :
194 :
195 26644 : TEST(LongNumberStr) {
196 5 : CHECK_EQ(1e10, StringToDouble("1"
197 : "0000000000",
198 : NO_FLAGS));
199 5 : CHECK_EQ(1e20, StringToDouble("1"
200 : "0000000000"
201 : "0000000000",
202 : NO_FLAGS));
203 :
204 5 : CHECK_EQ(1e60, StringToDouble("1"
205 : "0000000000"
206 : "0000000000"
207 : "0000000000"
208 : "0000000000"
209 : "0000000000"
210 : "0000000000",
211 : NO_FLAGS));
212 :
213 5 : CHECK_EQ(1e-2, StringToDouble("."
214 : "0"
215 : "1",
216 : NO_FLAGS));
217 5 : CHECK_EQ(1e-11, StringToDouble("."
218 : "0000000000"
219 : "1",
220 : NO_FLAGS));
221 5 : CHECK_EQ(1e-21, StringToDouble("."
222 : "0000000000"
223 : "0000000000"
224 : "1",
225 : NO_FLAGS));
226 :
227 5 : CHECK_EQ(1e-61, StringToDouble("."
228 : "0000000000"
229 : "0000000000"
230 : "0000000000"
231 : "0000000000"
232 : "0000000000"
233 : "0000000000"
234 : "1",
235 : NO_FLAGS));
236 :
237 : // x = 24414062505131248.0 and y = 24414062505131252.0 are representable in
238 : // double. Check chat z = (x + y) / 2 is rounded to x...
239 5 : CHECK_EQ(24414062505131248.0,
240 : StringToDouble("24414062505131250.0", NO_FLAGS));
241 :
242 : // ... and z = (x + y) / 2 + delta is rounded to y.
243 5 : CHECK_EQ(24414062505131252.0,
244 : StringToDouble("24414062505131250.000000001", NO_FLAGS));
245 5 : }
246 :
247 :
248 26644 : TEST(MaximumSignificantDigits) {
249 : char num[] =
250 : "4.4501477170144020250819966727949918635852426585926051135169509"
251 : "122872622312493126406953054127118942431783801370080830523154578"
252 : "251545303238277269592368457430440993619708911874715081505094180"
253 : "604803751173783204118519353387964161152051487413083163272520124"
254 : "606023105869053620631175265621765214646643181420505164043632222"
255 : "668006474326056011713528291579642227455489682133472873831754840"
256 : "341397809846934151055619529382191981473003234105366170879223151"
257 : "087335413188049110555339027884856781219017754500629806224571029"
258 : "581637117459456877330110324211689177656713705497387108207822477"
259 : "584250967061891687062782163335299376138075114200886249979505279"
260 : "101870966346394401564490729731565935244123171539810221213221201"
261 : "847003580761626016356864581135848683152156368691976240370422601"
262 5 : "6998291015625000000000000000000000000000000000e-308";
263 :
264 5 : CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(num, NO_FLAGS));
265 :
266 : // Changes the result of strtod (at least in glibc implementation).
267 5 : num[sizeof(num) - 8] = '1';
268 :
269 5 : CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(num, NO_FLAGS));
270 5 : }
271 :
272 :
273 26644 : TEST(MinimumExponent) {
274 : // Same test but with different point-position.
275 : char num[] =
276 : "445014771701440202508199667279499186358524265859260511351695091"
277 : "228726223124931264069530541271189424317838013700808305231545782"
278 : "515453032382772695923684574304409936197089118747150815050941806"
279 : "048037511737832041185193533879641611520514874130831632725201246"
280 : "060231058690536206311752656217652146466431814205051640436322226"
281 : "680064743260560117135282915796422274554896821334728738317548403"
282 : "413978098469341510556195293821919814730032341053661708792231510"
283 : "873354131880491105553390278848567812190177545006298062245710295"
284 : "816371174594568773301103242116891776567137054973871082078224775"
285 : "842509670618916870627821633352993761380751142008862499795052791"
286 : "018709663463944015644907297315659352441231715398102212132212018"
287 : "470035807616260163568645811358486831521563686919762403704226016"
288 5 : "998291015625000000000000000000000000000000000e-1108";
289 :
290 5 : CHECK_EQ(4.4501477170144017780491e-308, StringToDouble(num, NO_FLAGS));
291 :
292 : // Changes the result of strtod (at least in glibc implementation).
293 5 : num[sizeof(num) - 8] = '1';
294 :
295 5 : CHECK_EQ(4.4501477170144022721148e-308, StringToDouble(num, NO_FLAGS));
296 5 : }
297 :
298 :
299 26644 : TEST(MaximumExponent) {
300 5 : char num[] = "0.16e309";
301 :
302 5 : CHECK_EQ(1.59999999999999997765e+308, StringToDouble(num, NO_FLAGS));
303 5 : }
304 :
305 :
306 26644 : TEST(ExponentNumberStr) {
307 5 : CHECK_EQ(1e1, StringToDouble("1e1", NO_FLAGS));
308 5 : CHECK_EQ(1e1, StringToDouble("1e+1", NO_FLAGS));
309 5 : CHECK_EQ(1e-1, StringToDouble("1e-1", NO_FLAGS));
310 5 : CHECK_EQ(1e100, StringToDouble("1e+100", NO_FLAGS));
311 5 : CHECK_EQ(1e-100, StringToDouble("1e-100", NO_FLAGS));
312 5 : CHECK_EQ(1e-106, StringToDouble(".000001e-100", NO_FLAGS));
313 5 : }
314 :
315 :
316 : class OneBit1: public BitField<uint32_t, 0, 1> {};
317 : class OneBit2: public BitField<uint32_t, 7, 1> {};
318 : class EightBit1: public BitField<uint32_t, 0, 8> {};
319 : class EightBit2: public BitField<uint32_t, 13, 8> {};
320 :
321 26644 : TEST(BitField) {
322 : uint32_t x;
323 :
324 : // One bit bit field can hold values 0 and 1.
325 : CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1)));
326 : CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1)));
327 25 : for (unsigned i = 0; i < 2; i++) {
328 10 : CHECK(OneBit1::is_valid(i));
329 : x = OneBit1::encode(i);
330 10 : CHECK_EQ(i, OneBit1::decode(x));
331 :
332 10 : CHECK(OneBit2::is_valid(i));
333 : x = OneBit2::encode(i);
334 10 : CHECK_EQ(i, OneBit2::decode(x));
335 : }
336 : CHECK(!OneBit1::is_valid(2));
337 : CHECK(!OneBit2::is_valid(2));
338 :
339 : // Eight bit bit field can hold values from 0 tp 255.
340 : CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1)));
341 : CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1)));
342 2565 : for (unsigned i = 0; i < 256; i++) {
343 1280 : CHECK(EightBit1::is_valid(i));
344 : x = EightBit1::encode(i);
345 1280 : CHECK_EQ(i, EightBit1::decode(x));
346 1280 : CHECK(EightBit2::is_valid(i));
347 : x = EightBit2::encode(i);
348 1280 : CHECK_EQ(i, EightBit2::decode(x));
349 : }
350 : CHECK(!EightBit1::is_valid(256));
351 : CHECK(!EightBit2::is_valid(256));
352 5 : }
353 :
354 :
355 : class UpperBits: public BitField64<int, 61, 3> {};
356 : class MiddleBits: public BitField64<int, 31, 2> {};
357 :
358 26644 : TEST(BitField64) {
359 : uint64_t x;
360 :
361 : // Test most significant bits.
362 : x = V8_2PART_UINT64_C(0xE0000000, 00000000);
363 : CHECK(x == UpperBits::encode(7));
364 : CHECK_EQ(7, UpperBits::decode(x));
365 :
366 : // Test the 32/64-bit boundary bits.
367 : x = V8_2PART_UINT64_C(0x00000001, 80000000);
368 : CHECK(x == MiddleBits::encode(3));
369 : CHECK_EQ(3, MiddleBits::decode(x));
370 5 : }
371 :
372 :
373 155 : static void CheckNonArrayIndex(bool expected, const char* chars) {
374 : auto isolate = CcTest::i_isolate();
375 155 : auto string = isolate->factory()->NewStringFromAsciiChecked(chars);
376 155 : CHECK_EQ(expected, IsSpecialIndex(*string));
377 155 : }
378 :
379 :
380 26644 : TEST(SpecialIndexParsing) {
381 : auto isolate = CcTest::i_isolate();
382 : HandleScope scope(isolate);
383 5 : CheckNonArrayIndex(false, "");
384 5 : CheckNonArrayIndex(false, "-");
385 5 : CheckNonArrayIndex(true, "0");
386 5 : CheckNonArrayIndex(true, "-0");
387 5 : CheckNonArrayIndex(false, "01");
388 5 : CheckNonArrayIndex(false, "-01");
389 5 : CheckNonArrayIndex(true, "0.5");
390 5 : CheckNonArrayIndex(true, "-0.5");
391 5 : CheckNonArrayIndex(true, "1");
392 5 : CheckNonArrayIndex(true, "-1");
393 5 : CheckNonArrayIndex(true, "10");
394 5 : CheckNonArrayIndex(true, "-10");
395 5 : CheckNonArrayIndex(true, "NaN");
396 5 : CheckNonArrayIndex(true, "Infinity");
397 5 : CheckNonArrayIndex(true, "-Infinity");
398 5 : CheckNonArrayIndex(true, "4294967295");
399 5 : CheckNonArrayIndex(true, "429496.7295");
400 5 : CheckNonArrayIndex(true, "1.3333333333333333");
401 5 : CheckNonArrayIndex(false, "1.3333333333333339");
402 5 : CheckNonArrayIndex(true, "1.333333333333331e+222");
403 5 : CheckNonArrayIndex(true, "-1.3333333333333211e+222");
404 5 : CheckNonArrayIndex(false, "-1.3333333333333311e+222");
405 5 : CheckNonArrayIndex(true, "429496.7295");
406 5 : CheckNonArrayIndex(false, "43s3");
407 5 : CheckNonArrayIndex(true, "4294967296");
408 5 : CheckNonArrayIndex(true, "-4294967296");
409 5 : CheckNonArrayIndex(true, "999999999999999");
410 5 : CheckNonArrayIndex(false, "9999999999999999");
411 5 : CheckNonArrayIndex(true, "-999999999999999");
412 5 : CheckNonArrayIndex(false, "-9999999999999999");
413 5 : CheckNonArrayIndex(false, "42949672964294967296429496729694966");
414 5 : }
415 :
416 26644 : TEST(NoHandlesForTryNumberToSize) {
417 : i::Isolate* isolate = CcTest::i_isolate();
418 : size_t result = 0;
419 : {
420 : SealHandleScope no_handles(isolate);
421 : Smi smi = Smi::FromInt(1);
422 : CHECK(TryNumberToSize(smi, &result));
423 : CHECK_EQ(result, 1u);
424 : }
425 : result = 0;
426 : {
427 : HandleScope scope(isolate);
428 5 : Handle<HeapNumber> heap_number1 = isolate->factory()->NewHeapNumber(2.0);
429 : {
430 : SealHandleScope no_handles(isolate);
431 5 : CHECK(TryNumberToSize(*heap_number1, &result));
432 5 : CHECK_EQ(result, 2u);
433 : }
434 : Handle<HeapNumber> heap_number2 = isolate->factory()->NewHeapNumber(
435 5 : static_cast<double>(std::numeric_limits<size_t>::max()) + 10000.0);
436 : {
437 : SealHandleScope no_handles(isolate);
438 5 : CHECK(!TryNumberToSize(*heap_number2, &result));
439 : }
440 : }
441 5 : }
442 :
443 26644 : TEST(TryNumberToSizeWithMaxSizePlusOne) {
444 : i::Isolate* isolate = CcTest::i_isolate();
445 : {
446 : HandleScope scope(isolate);
447 : // 1 << 64, larger than the limit of size_t.
448 : double value = 18446744073709551616.0;
449 : size_t result = 0;
450 5 : Handle<HeapNumber> heap_number = isolate->factory()->NewHeapNumber(value);
451 5 : CHECK(!TryNumberToSize(*heap_number, &result));
452 : }
453 5 : }
454 :
455 26644 : TEST(PositiveNumberToUint32) {
456 : i::Isolate* isolate = CcTest::i_isolate();
457 : i::Factory* factory = isolate->factory();
458 : uint32_t max = std::numeric_limits<uint32_t>::max();
459 : HandleScope scope(isolate);
460 : // Test Smi conversions.
461 : Handle<Object> number = handle(Smi::FromInt(0), isolate);
462 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
463 : number = handle(Smi::FromInt(-1), isolate);
464 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
465 : number = handle(Smi::FromInt(-1), isolate);
466 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
467 : number = handle(Smi::FromInt(Smi::kMinValue), isolate);
468 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
469 : number = handle(Smi::FromInt(Smi::kMaxValue), isolate);
470 5 : CHECK_EQ(PositiveNumberToUint32(*number),
471 : static_cast<uint32_t>(Smi::kMaxValue));
472 : // Test Double conversions.
473 5 : number = factory->NewHeapNumber(0.0);
474 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
475 5 : number = factory->NewHeapNumber(0.999);
476 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
477 5 : number = factory->NewHeapNumber(1.999);
478 5 : CHECK_EQ(PositiveNumberToUint32(*number), 1u);
479 5 : number = factory->NewHeapNumber(-12.0);
480 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
481 5 : number = factory->NewHeapNumber(12000.0);
482 5 : CHECK_EQ(PositiveNumberToUint32(*number), 12000u);
483 5 : number = factory->NewHeapNumber(static_cast<double>(Smi::kMaxValue) + 1);
484 5 : CHECK_EQ(PositiveNumberToUint32(*number),
485 : static_cast<uint32_t>(Smi::kMaxValue) + 1);
486 5 : number = factory->NewHeapNumber(max);
487 5 : CHECK_EQ(PositiveNumberToUint32(*number), max);
488 5 : number = factory->NewHeapNumber(static_cast<double>(max) * 1000);
489 5 : CHECK_EQ(PositiveNumberToUint32(*number), max);
490 5 : number = factory->NewHeapNumber(std::numeric_limits<double>::max());
491 5 : CHECK_EQ(PositiveNumberToUint32(*number), max);
492 5 : number = factory->NewHeapNumber(std::numeric_limits<double>::infinity());
493 5 : CHECK_EQ(PositiveNumberToUint32(*number), max);
494 : number =
495 5 : factory->NewHeapNumber(-1.0 * std::numeric_limits<double>::infinity());
496 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
497 5 : number = factory->NewHeapNumber(std::nan(""));
498 5 : CHECK_EQ(PositiveNumberToUint32(*number), 0u);
499 5 : }
500 :
501 : } // namespace internal
502 79917 : } // namespace v8
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