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using
Microsoft
.
VisualStudio
.
TestTools
.
UnitTesting
;
using
NumSharp
;
using
System
;
using
System
.
Linq
;
using
System
.
Runtime
.
InteropServices
;
using
Tensorflow
;
using
static
Tensorflow
.
Binding
;
namespace
TensorFlowNET
.
UnitTest
{
[
TestClass
]
public
class
ConstantTest
{
Status
status
=
new
Status
(
)
;
[
TestMethod
]
public
void
ScalarConst
(
)
{
var
tensor1
=
tf
.
constant
(
8
)
;
// int
var
tensor2
=
tf
.
constant
(
6.0f
)
;
// float
var
tensor3
=
tf
.
constant
(
6.0
)
;
// double
}
/*[DataTestMethod]
[DataRow(int.MinValue)]
[DataRow(-1)]
[DataRow(0)]
[DataRow(1)]
[DataRow(int.MaxValue)]
public void ScalarConstTypecast_int(int value)
{
var tensor = (Tensor)value;
with(tf.Session(), sess =>
{
var result = sess.run(tensor);
Assert.AreEqual(result.Data<int>()[0], value);
});
}
[DataTestMethod]
[DataRow(double.NegativeInfinity)]
[DataRow(double.MinValue)]
[DataRow(-1d)]
[DataRow(0d)]
[DataRow(double.Epsilon)]
[DataRow(1d)]
[DataRow(double.MaxValue)]
[DataRow(double.PositiveInfinity)]
[DataRow(double.NaN)]
public void ScalarConstTypecast_double(double value)
{
var tensor = (Tensor)value;
with(tf.Session(), sess =>
{
var result = sess.run(tensor);
Assert.AreEqual(result.Data<double>()[0], value);
});
}
[DataTestMethod]
[DataRow(float.NegativeInfinity)]
[DataRow(float.MinValue)]
[DataRow(-1f)]
[DataRow(0f)]
[DataRow(float.Epsilon)]
[DataRow(1f)]
[DataRow(float.MaxValue)]
[DataRow(float.PositiveInfinity)]
[DataRow(float.NaN)]
public void ScalarConstTypecast_float(float value)
{
var tensor = (Tensor)value;
with(tf.Session(), sess =>
{
var result = sess.run(tensor);
Assert.AreEqual(result.Data<double>()[0], value);
});
}
[TestMethod]
public void StringConst()
{
string str = "Hello, TensorFlow.NET!";
var tensor = tf.constant(str);
with(tf.Session(), sess =>
{
var result = sess.run(tensor);
Assert.IsTrue(result.Data<string>()[0] == str);
});
}*/
[
TestMethod
]
public
void
ZerosConst
(
)
{
// small size
var
tensor
=
tf
.
zeros
(
new
Shape
(
3
,
2
)
,
TF_DataType
.
TF_INT32
,
"small"
)
;
using
(
var
sess
=
tf
.
Session
(
)
)
{
var
result
=
sess
.
run
(
tensor
)
;
Assert
.
AreEqual
(
result
.
shape
[
0
]
,
3
)
;
Assert
.
AreEqual
(
result
.
shape
[
1
]
,
2
)
;
Assert
.
IsTrue
(
Enumerable
.
SequenceEqual
(
new
int
[
]
{
0
,
0
,
0
,
0
,
0
,
0
}
,
result
.
Data
<
int
>
(
)
)
)
;
}
// big size
tensor
=
tf
.
zeros
(
new
Shape
(
200
,
100
)
,
TF_DataType
.
TF_INT32
,
"big"
)
;
using
(
var
sess
=
tf
.
Session
(
)
)
{
var
result
=
sess
.
run
(
tensor
)
;
Assert
.
AreEqual
(
result
.
shape
[
0
]
,
200
)
;
Assert
.
AreEqual
(
result
.
shape
[
1
]
,
100
)
;
var
data
=
result
.
Data
<
int
>
(
)
;
Assert
.
AreEqual
(
0
,
data
[
0
]
)
;
Assert
.
AreEqual
(
0
,
data
[
500
]
)
;
Assert
.
AreEqual
(
0
,
data
[
result
.
size
-
1
]
)
;
}
}
[
TestMethod
]
public
void
OnesConst
(
)
{
var
ones
=
tf
.
ones
(
new
Shape
(
3
,
2
)
,
TF_DataType
.
TF_DOUBLE
,
"ones"
)
;
using
(
var
sess
=
tf
.
Session
(
)
)
{
var
result
=
sess
.
run
(
ones
)
;
Assert
.
AreEqual
(
result
.
shape
[
0
]
,
3
)
;
Assert
.
AreEqual
(
result
.
shape
[
1
]
,
2
)
;
Assert
.
IsTrue
(
new
[
]
{
1
,
1
,
1
,
1
,
1
,
1
}
.
SequenceEqual
(
result
.
Data
<
int
>
(
)
)
)
;
}
}
[
TestMethod
]
public
void
OnesToHalves
(
)
{
var
ones
=
tf
.
ones
(
new
Shape
(
3
,
2
)
,
TF_DataType
.
TF_DOUBLE
,
"ones"
)
;
var
halfes
=
ones
*
0.5
;
using
(
var
sess
=
tf
.
Session
(
)
)
{
var
result
=
sess
.
run
(
halfes
)
;
Assert
.
AreEqual
(
result
.
shape
[
0
]
,
3
)
;
Assert
.
AreEqual
(
result
.
shape
[
1
]
,
2
)
;
Assert
.
IsTrue
(
new
[
]
{
.5
,
.5
,
.5
,
.5
,
.5
,
.5
}
.
SequenceEqual
(
result
.
Data
<
double
>
(
)
)
)
;
}
}
[
TestMethod
]
public
void
NDimConst
(
)
{
var
nd
=
np
.
array
(
new
int
[
]
[
]
{
new
int
[
]
{
3
,
1
,
1
}
,
new
int
[
]
{
2
,
1
,
3
}
}
)
;
var
tensor
=
tf
.
constant
(
nd
)
;
using
(
var
sess
=
tf
.
Session
(
)
)
{
var
result
=
sess
.
run
(
tensor
)
;
var
data
=
result
.
Data
<
int
>
(
)
;
Assert
.
AreEqual
(
result
.
shape
[
0
]
,
2
)
;
Assert
.
AreEqual
(
result
.
shape
[
1
]
,
3
)
;
Assert
.
IsTrue
(
Enumerable
.
SequenceEqual
(
new
int
[
]
{
3
,
1
,
1
,
2
,
1
,
3
}
,
data
)
)
;
}
}
[
TestMethod
]
public
void
Multiply
(
)
{
var
a
=
tf
.
constant
(
3.0
)
;
var
b
=
tf
.
constant
(
2.0
)
;
var
c
=
a
*
b
;
var
sess
=
tf
.
Session
(
)
;
double
result
=
sess
.
run
(
c
)
;
sess
.
close
(
)
;
Assert
.
AreEqual
(
6.0
,
result
)
;
}
[
TestMethod
]
public
void
StringEncode
(
)
{
string
str
=
"Hello, TensorFlow.NET!"
;
var
handle
=
Marshal
.
StringToHGlobalAnsi
(
str
)
;
ulong
dst_len
=
(
ulong
)
c_api
.
TF_StringEncodedSize
(
(
UIntPtr
)
str
.
Length
)
;
Assert
.
AreEqual
(
dst_len
,
(
ulong
)
23
)
;
IntPtr
dst
=
Marshal
.
AllocHGlobal
(
(
int
)
dst_len
)
;
ulong
encoded_len
=
c_api
.
TF_StringEncode
(
handle
,
(
ulong
)
str
.
Length
,
dst
,
dst_len
,
status
)
;
Assert
.
AreEqual
(
(
ulong
)
23
,
encoded_len
)
;
Assert
.
AreEqual
(
status
.
Code
,
TF_Code
.
TF_OK
)
;
string
encoded_str
=
Marshal
.
PtrToStringUTF8
(
dst
+
sizeof
(
byte
)
)
;
Assert
.
AreEqual
(
encoded_str
,
str
)
;
Assert
.
AreEqual
(
str
.
Length
,
Marshal
.
ReadByte
(
dst
)
)
;
//c_api.TF_StringDecode(dst, (ulong)str.Length, IntPtr.Zero, ref dst_len, status);
}
/// <summary>
/// tensorflow\c\c_api_test.cc
/// TestEncodeDecode
/// </summary>
[
TestMethod
]
public
void
EncodeDecode
(
)
{
}
}
}
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