本文整理汇总了C#中Utf8String.Substring方法的典型用法代码示例。如果您正苦于以下问题：C# Utf8String.Substring方法的具体用法？C# Utf8String.Substring怎么用？C# Utf8String.Substring使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Utf8String的用法示例。
在下文中一共展示了Utf8String.Substring方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ParseBool
[InlineData(" !", false, 0, 0, 0)] // invalid character test w/ char < '0'
public unsafe void ParseBool(string text, bool expectSuccess, int index, bool expectedValue, int expectedBytesConsumed)
{
bool result;
bool parsedValue;
int bytesConsumed;
var utf8String = new Utf8String(text);
byte[] utf8Bytes = utf8String.CopyBytes();
ReadOnlySpan<byte> utf8BytesSlice = new ReadOnlySpan<byte>(utf8Bytes);
// System.String
result = PrimitiveParser.TryParseBoolean(text, index, 'N', out parsedValue, out bytesConsumed);
Assert.Equal(expectSuccess, result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedBytesConsumed, bytesConsumed);
// Utf8String
result = PrimitiveParser.TryParseBoolean(utf8String.Substring(index), 'N', out parsedValue, out bytesConsumed);
Assert.Equal(expectSuccess, result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedBytesConsumed, bytesConsumed);
// byte[]
result = PrimitiveParser.TryParseBoolean(utf8Bytes, index, EncodingData.InvariantUtf8, 'N', out parsedValue, out bytesConsumed);
Assert.Equal(expectSuccess, result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedBytesConsumed, bytesConsumed);
// ReadOnlySpan<byte>
result = PrimitiveParser.TryParseBoolean(utf8Bytes.Slice(index), EncodingData.InvariantUtf8, 'N', out parsedValue, out bytesConsumed);
Assert.Equal(expectSuccess, result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedBytesConsumed, bytesConsumed);
// byte*
fixed (byte* arrayPointer = utf8Bytes)
{
result = PrimitiveParser.TryParseBoolean(arrayPointer, index, utf8Bytes.Length, EncodingData.InvariantUtf8, 'N',
out parsedValue, out bytesConsumed);
Assert.Equal(expectSuccess, result);
Assert.Equal(expectedValue, parsedValue);
Assert.Equal(expectedBytesConsumed, bytesConsumed);
}
}示例2: TestHashesSameForEquivalentString
private void TestHashesSameForEquivalentString(Utf8String a, Utf8String b)
{
// for sanity
Assert.Equal(a.Length, b.Length);
Assert.Equal(a, b);
for (int i = 0; i < a.Length; i++)
{
Utf8String prefixOfA = a.Substring(i, a.Length - i);
Utf8String prefixOfB = b.Substring(i, b.Length - i);
// sanity
Assert.Equal(prefixOfA, prefixOfB);
Assert.Equal(prefixOfA.GetHashCode(), prefixOfB.GetHashCode());
// for all suffixes
Utf8String suffixOfA = a.Substring(a.Length - i, i);
Utf8String suffixOfB = b.Substring(b.Length - i, i);
Assert.Equal(suffixOfA, suffixOfB);
}
}示例3: HashesSameForTheSameSubstrings
public void HashesSameForTheSameSubstrings()
{
const int len = 50;
// two copies of the same string
byte[] bytes = new byte[len * 2];
for (int i = 0; i < len; i++)
{
// 0x20 is a spacebar, writing explicitly so
// the value is more predictable
bytes[i] = unchecked((byte)(0x20 + i));
bytes[i + len] = bytes[i];
}
Utf8String sFromBytes = new Utf8String(bytes);
Utf8String s1FromBytes = sFromBytes.Substring(0, len);
Utf8String s2FromBytes = sFromBytes.Substring(len, len);
unsafe
{
fixed (byte* pinnedBytes = bytes)
{
Utf8String sFromSpan = new Utf8String(new Span<byte>(pinnedBytes, len * 2));
Utf8String s1FromSpan = sFromSpan.Substring(0, len);
Utf8String s2FromSpan = sFromSpan.Substring(len, len);
TestHashesSameForEquivalentString(s1FromBytes, s2FromBytes);
TestHashesSameForEquivalentString(s1FromSpan, s2FromSpan);
TestHashesSameForEquivalentString(s1FromSpan, s2FromBytes);
}
}
}示例4: SubstringTrimOneCharacterOnEachSideConstructFromSpan
public unsafe void SubstringTrimOneCharacterOnEachSideConstructFromSpan()
{
TestCase[] testCases = new TestCase[] {
new TestCase(GetRandomString(5, 32, 126), "Short ASCII string", 50000000),
new TestCase(GetRandomString(5, 32, 0xD7FF), "Short string", 50000000),
new TestCase(GetRandomString(50000, 32, 126), "Long ASCII string", 50000000),
new TestCase(GetRandomString(50000, 32, 0xD7FF), "Long string", 50000000)
};
foreach (TestCase testData in testCases)
{
string s = testData.String;
Utf8String utf8s = new Utf8String(s);
fixed (byte* bytes = utf8s.CopyBytes())
{
utf8s = new Utf8String(new Span<byte>(bytes, utf8s.Length));
int iterations = testData.Iterations;
_timer.Restart();
while (iterations-- != 0)
{
Utf8String result = utf8s.Substring(1, utf8s.Length - 2);
}
PrintTime(testData);
}
}
}示例5: GetNumOfBackSlashesAtEndOfString
private static int GetNumOfBackSlashesAtEndOfString(Utf8String str)
{
var numOfBackSlashes = 0;
while (str.EndsWith(new Utf8String("\\")))
{
str = str.Substring(0, str.Length - 1);
numOfBackSlashes++;
}
return numOfBackSlashes;
}示例6: SubstringTrimOneCharacterOnEachSideConstructFromSpan
public unsafe void SubstringTrimOneCharacterOnEachSideConstructFromSpan()
{
foreach (StringWithDescription testData in StringsWithDescription())
{
string s = testData.String;
Utf8String utf8s = new Utf8String(s);
fixed (byte* bytes = utf8s.CopyBytes())
{
utf8s = new Utf8String(new ByteSpan(bytes, utf8s.Length));
int iterations = testData.Iterations;
_timer.Restart();
while (iterations-- != 0)
{
Utf8String result = utf8s.Substring(1, utf8s.Length - 2);
}
PrintTime(testData);
}
}
}