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Fix some numbers parsed incorrectly

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Fix #340
This commit is contained in:
Milo Yip
2015-05-14 12:03:21 +08:00
parent f8b3c65d7d
commit add5a50581
2 changed files with 38 additions and 4 deletions
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35
test/unittest/readertest.cpp
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@@ -193,7 +193,7 @@ static void TestParseDouble() {
EXPECT_DOUBLE_EQ(x, h.actual_); \
} \
}
TEST_DOUBLE(fullPrecision, "0.0", 0.0);
TEST_DOUBLE(fullPrecision, "-0.0", -0.0); // For checking issue #289
TEST_DOUBLE(fullPrecision, "1.0", 1.0);
@@ -327,15 +327,44 @@ static void TestParseDouble() {
if (fullPrecision) {
EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
if (d.Uint64Value() != a.Uint64Value())
printf(" String: %sn Actual: %.17gnExpected: %.17gn", buffer, h.actual_, d.Value());
printf(" String: %s\n Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
}
else {
EXPECT_EQ(d.Sign(), a.Sign()); /* for 0.0 != -0.0 */
EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
}
}
}
}
// Issue #340
TEST_DOUBLE(fullPrecision, "7.450580596923828e-9", 7.450580596923828e-9);
{
internal::Double d(1.0);
for (int i = 0; i < 324; i++) {
char buffer[32];
*internal::dtoa(d.Value(), buffer) = '\0';
StringStream s(buffer);
ParseDoubleHandler h;
Reader reader;
ASSERT_EQ(kParseErrorNone, reader.Parse<fullPrecision ? kParseFullPrecisionFlag : 0>(s, h).Code());
EXPECT_EQ(1u, h.step_);
internal::Double a(h.actual_);
if (fullPrecision) {
EXPECT_EQ(d.Uint64Value(), a.Uint64Value());
if (d.Uint64Value() != a.Uint64Value())
printf(" String: %s\n Actual: %.17g\nExpected: %.17g\n", buffer, h.actual_, d.Value());
}
else {
EXPECT_EQ(d.Sign(), a.Sign()); // for 0.0 != -0.0
EXPECT_DOUBLE_EQ(d.Value(), h.actual_);
}
d = d.Value() * 0.5;
}
}
#undef TEST_DOUBLE
}