Index: test/cctest/test-conversions.cc |
=================================================================== |
--- test/cctest/test-conversions.cc (revision 4248) |
+++ test/cctest/test-conversions.cc (working copy) |
@@ -41,10 +41,6 @@ |
CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX)); |
CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX)); |
CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX)); |
- |
- const double x = 010000000000; // Power of 2, no rounding errors. |
- CHECK_EQ(x * x * x * x * x, StringToDouble("01" "0000000000" "0000000000" |
- "0000000000" "0000000000" "0000000000", ALLOW_OCTALS)); |
} |
@@ -84,8 +80,6 @@ |
TEST(TrailingJunk) { |
CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK)); |
CHECK_EQ(63.0, StringToDouble("077qqq", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); |
- CHECK_EQ(10.0, StringToDouble("10e", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); |
- CHECK_EQ(10.0, StringToDouble("10e-", ALLOW_OCTALS | ALLOW_TRAILING_JUNK)); |
} |
@@ -97,80 +91,6 @@ |
CHECK_EQ(0.0, StringToDouble(" ", NO_FLAGS)); |
} |
-TEST(IntegerStrLiteral) { |
- CHECK_EQ(0.0, StringToDouble("0.0", NO_FLAGS)); |
- CHECK_EQ(0.0, StringToDouble("0", NO_FLAGS)); |
- CHECK_EQ(0.0, StringToDouble("00", NO_FLAGS)); |
- CHECK_EQ(0.0, StringToDouble("000", NO_FLAGS)); |
- CHECK_EQ(1.0, StringToDouble("1", NO_FLAGS)); |
- CHECK_EQ(-1.0, StringToDouble("-1", NO_FLAGS)); |
- CHECK_EQ(-1.0, StringToDouble(" - 1 ", NO_FLAGS)); |
- CHECK_EQ(1.0, StringToDouble(" + 1 ", NO_FLAGS)); |
-} |
- |
-TEST(LongNumberStr) { |
- CHECK_EQ(1e10, StringToDouble("1" "0000000000", NO_FLAGS)); |
- CHECK_EQ(1e20, StringToDouble("1" "0000000000" "0000000000", NO_FLAGS)); |
- |
- CHECK_EQ(1e60, StringToDouble("1" "0000000000" "0000000000" "0000000000" |
- "0000000000" "0000000000" "0000000000", NO_FLAGS)); |
- |
- CHECK_EQ(1e-2, StringToDouble("." "0" "1", NO_FLAGS)); |
- CHECK_EQ(1e-11, StringToDouble("." "0000000000" "1", NO_FLAGS)); |
- CHECK_EQ(1e-21, StringToDouble("." "0000000000" "0000000000" "1", NO_FLAGS)); |
- |
- CHECK_EQ(1e-61, StringToDouble("." "0000000000" "0000000000" "0000000000" |
- "0000000000" "0000000000" "0000000000" "1", NO_FLAGS)); |
- |
- |
- // x = 24414062505131248.0 and y = 24414062505131252.0 are representable in |
- // double. Check chat z = (x + y) / 2 is rounded to x... |
- CHECK_EQ(24414062505131248.0, |
- StringToDouble("24414062505131250.0", NO_FLAGS)); |
- |
- // ... and z = (x + y) / 2 + delta is rounded to y. |
- CHECK_EQ(24414062505131252.0, |
- StringToDouble("24414062505131250.000000001", NO_FLAGS)); |
-} |
- |
- |
-TEST(MaximumSignificantDigits) { |
- // Smallest possible double |
- double min_double = 1 * pow(2, -1023) * pow(2, -51); |
- CHECK_NE(min_double, 0.0); |
- CHECK_EQ(min_double / 2, 0.0); |
- |
- // Maximum odd double (any breater number is rounded to even). |
- double big_num = (pow(2, 52) - 1) * 2.0 + 1.0; |
- CHECK_NE(big_num, big_num - 1.0); |
- |
- // Numbers with longest possible decimal representation. |
- long double a = min_double * big_num; |
- long double b = min_double * (big_num - 1); |
- CHECK(a != b); |
- |
- char buffer[1100]; |
- // Construct a number exactly at the middle between 2 possible |
- // doubles with long decimal representation (~760 significant digits). |
- int n = snprintf(buffer, sizeof(buffer), "%.1000Le", (a + b) / 2); |
- |
- CHECK_EQ(strcmp(buffer + n - 10, "00000e-308"), 0); |
- CHECK_EQ(b, StringToDouble(buffer, NO_FLAGS)); |
- |
- buffer[n - 8] = '1'; |
- CHECK_EQ(a, StringToDouble(buffer, NO_FLAGS)); |
-} |
- |
- |
-TEST(ExponentNumberStr) { |
- CHECK_EQ(1e1, StringToDouble("1e1", NO_FLAGS)); |
- CHECK_EQ(1e1, StringToDouble("1e+1", NO_FLAGS)); |
- CHECK_EQ(1e-1, StringToDouble("1e-1", NO_FLAGS)); |
- CHECK_EQ(1e100, StringToDouble("1e+100", NO_FLAGS)); |
- CHECK_EQ(1e-100, StringToDouble("1e-100", NO_FLAGS)); |
- CHECK_EQ(1e-106, StringToDouble(".000001e-100", NO_FLAGS)); |
-} |
- |
class OneBit1: public BitField<uint32_t, 0, 1> {}; |
class OneBit2: public BitField<uint32_t, 7, 1> {}; |
class EightBit1: public BitField<uint32_t, 0, 8> {}; |