test/cctest/test-conversions.cc - Issue 992913002: handle the special snowflakes that are Integer Indexed Exotic objects

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Issue 992913002: handle the special snowflakes that are Integer Indexed Exotic objects (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 5 years, 9 months ago

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1 // Copyright 2011 the V8 project authors. All rights reserved.	1 // Copyright 2011 the V8 project authors. All rights reserved.

2 // Redistribution and use in source and binary forms, with or without	2 // Redistribution and use in source and binary forms, with or without

3 // modification, are permitted provided that the following conditions are	3 // modification, are permitted provided that the following conditions are

4 // met:	4 // met:

5 //	5 //

6 // * Redistributions of source code must retain the above copyright	6 // * Redistributions of source code must retain the above copyright

7 // notice, this list of conditions and the following disclaimer.	7 // notice, this list of conditions and the following disclaimer.

8 // * Redistributions in binary form must reproduce the above	8 // * Redistributions in binary form must reproduce the above

9 // copyright notice, this list of conditions and the following	9 // copyright notice, this list of conditions and the following

10 // disclaimer in the documentation and/or other materials provided	10 // disclaimer in the documentation and/or other materials provided

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355 // Test most significant bits.	355 // Test most significant bits.

356 x = V8_2PART_UINT64_C(0xE0000000, 00000000);	356 x = V8_2PART_UINT64_C(0xE0000000, 00000000);

357 CHECK(x == UpperBits::encode(7));	357 CHECK(x == UpperBits::encode(7));

358 CHECK_EQ(7, UpperBits::decode(x));	358 CHECK_EQ(7, UpperBits::decode(x));

359	359

360 // Test the 32/64-bit boundary bits.	360 // Test the 32/64-bit boundary bits.

361 x = V8_2PART_UINT64_C(0x00000001, 80000000);	361 x = V8_2PART_UINT64_C(0x00000001, 80000000);

362 CHECK(x == MiddleBits::encode(3));	362 CHECK(x == MiddleBits::encode(3));

363 CHECK_EQ(3, MiddleBits::decode(x));	363 CHECK_EQ(3, MiddleBits::decode(x));

364 }	364 }

	365

	366

	367 static void CheckNonArrayIndex(bool expected, const char* chars) {

	368 auto isolate = CcTest::i_isolate();

	369 auto string = isolate->factory()->NewStringFromAsciiChecked(chars);

	370 CHECK_EQ(expected, IsNonArrayIndexInteger(*string));

	371 }

	372

	373

	374 TEST(NonArrayIndexParsing) {

	375 auto isolate = CcTest::i_isolate();

	376 HandleScope scope(isolate);

	377 CheckNonArrayIndex(false, "-");

	378 CheckNonArrayIndex(false, "0");

	379 CheckNonArrayIndex(false, "01");

	380 CheckNonArrayIndex(false, "-01");

	381 CheckNonArrayIndex(false, "4294967295");

	382 CheckNonArrayIndex(false, "429496.7295");

	383 CheckNonArrayIndex(false, "43s3");

	384 CheckNonArrayIndex(true, "-0");

	385 CheckNonArrayIndex(true, "-1");

	386 CheckNonArrayIndex(true, "4294967296");

	387 CheckNonArrayIndex(true, "-4294967296");

	388 CheckNonArrayIndex(

	389 true,

	390 "429496729642949672964294967296429496729642949672964294967296"

	391 "429496729642949672964294967296429496729642949672964294967296"

	392 "429496729642949672964294967296429496729642949672964294967296"

	393 "429496729642949672964294967296429496729642949672964294967296"

	394 "429496729642949672964294967296429496729642949672964294967296"

	395 "429496729642949672964294967296429496729642949672964294967296"

	396 "429496729642949672964294967296429496729642949672964294967296"

	397 "429496729642949672964294967296429496729642949672964294967296"

	398 "429496729642949672964294967296429496729642949672964294967296"

	399 "429496729642949672964294967296429496729642949672964294967296"

	400 "429496729642949672964294967296429496729642949672964294967296"

	401 "429496729642949672964294967296429496729642949672964294967296"

	402 "429496729642949672964294967296429496729642949672964294967296");

	403 CheckNonArrayIndex(

	404 true,

	405 "-429496729642949672964294967296429496729642949672964294967296"

	406 "429496729642949672964294967296429496729642949672964294967296"

	407 "429496729642949672964294967296429496729642949672964294967296"

	408 "429496729642949672964294967296429496729642949672964294967296"

	409 "429496729642949672964294967296429496729642949672964294967296"

	410 "429496729642949672964294967296429496729642949672964294967296"

	411 "429496729642949672964294967296429496729642949672964294967296"

	412 "429496729642949672964294967296429496729642949672964294967296"

	413 "429496729642949672964294967296429496729642949672964294967296"

	414 "429496729642949672964294967296429496729642949672964294967296"

	415 "429496729642949672964294967296429496729642949672964294967296"

	416 "429496729642949672964294967296429496729642949672964294967296"

	417 "429496729642949672964294967296429496729642949672964294967296");

	418 }

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