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main_repo / deps / v8 / test / cctest / test-conversions.cc @ 40c0f755
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// Copyright 2006-2008 the V8 project authors. All rights reserved.
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#include <stdlib.h> |
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#include "v8.h" |
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#include "platform.h" |
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#include "cctest.h" |
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using namespace v8::internal; |
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TEST(Hex) {
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CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(255.0, StringToDouble("0xff", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX)); |
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CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX)); |
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CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX)); |
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CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX)); |
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CHECK_EQ(255.0, StringToDouble("0xff", ALLOW_HEX)); |
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CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX)); |
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} |
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TEST(Octal) {
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CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(8.0, StringToDouble("010", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(63.0, StringToDouble("077", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX)); |
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CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX)); |
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CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX)); |
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CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX)); |
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CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX)); |
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CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX)); |
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} |
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TEST(MalformedOctal) {
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CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK(isnan(StringToDouble("07.7", ALLOW_HEX | ALLOW_OCTALS)));
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CHECK(isnan(StringToDouble("07.8", ALLOW_HEX | ALLOW_OCTALS)));
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CHECK(isnan(StringToDouble("07e8", ALLOW_HEX | ALLOW_OCTALS)));
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CHECK(isnan(StringToDouble("07e7", ALLOW_HEX | ALLOW_OCTALS)));
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CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX | ALLOW_OCTALS)); |
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CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX)); |
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CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX)); |
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CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX)); |
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CHECK_EQ(7.7, StringToDouble("07.7", ALLOW_HEX)); |
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CHECK_EQ(7.8, StringToDouble("07.8", ALLOW_HEX)); |
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CHECK_EQ(7e8, StringToDouble("07e8", ALLOW_HEX)); |
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CHECK_EQ(7e7, StringToDouble("07e7", ALLOW_HEX)); |
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CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX)); |
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CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX)); |
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CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX)); |
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CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX)); |
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} |
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TEST(TrailingJunk) {
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CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK)); |
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CHECK_EQ(63.0, StringToDouble("077qqq", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); |
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} |
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TEST(NonStrDecimalLiteral) {
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CHECK(isnan(StringToDouble(" ", NO_FLAGS, OS::nan_value())));
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CHECK(isnan(StringToDouble("", NO_FLAGS, OS::nan_value())));
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CHECK(isnan(StringToDouble(" ", NO_FLAGS, OS::nan_value())));
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CHECK_EQ(0.0, StringToDouble("", NO_FLAGS)); |
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CHECK_EQ(0.0, StringToDouble(" ", NO_FLAGS)); |
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} |
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TEST(BitField) {
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uint32_t x; |
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// One bit bit field can hold values 0 and 1.
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class OneBit1: public BitField<uint32_t, 0, 1> {}; |
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class OneBit2: public BitField<uint32_t, 7, 1> {}; |
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CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1))); |
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CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1))); |
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for (int i = 0; i < 2; i++) { |
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CHECK(OneBit1::is_valid(i)); |
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x = OneBit1::encode(i); |
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CHECK_EQ(i, OneBit1::decode(x)); |
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CHECK(OneBit2::is_valid(i)); |
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x = OneBit2::encode(i); |
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CHECK_EQ(i, OneBit2::decode(x)); |
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} |
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CHECK(!OneBit1::is_valid(2));
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CHECK(!OneBit2::is_valid(2));
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// Eight bit bit field can hold values from 0 tp 255.
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class EightBit1: public BitField<uint32_t, 0, 8> {}; |
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class EightBit2: public BitField<uint32_t, 13, 8> {}; |
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CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1))); |
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CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1))); |
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for (int i = 0; i < 256; i++) { |
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CHECK(EightBit1::is_valid(i)); |
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x = EightBit1::encode(i); |
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CHECK_EQ(i, EightBit1::decode(x)); |
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CHECK(EightBit2::is_valid(i)); |
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x = EightBit2::encode(i); |
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CHECK_EQ(i, EightBit2::decode(x)); |
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} |
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CHECK(!EightBit1::is_valid(256));
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CHECK(!EightBit2::is_valid(256));
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} |