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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using Xunit;
namespace System.Reflection.Tests
{
public class ConstructorInfoInvokeArrayTests
{
[Fact]
public void Invoke_SZArrayConstructor()
{
Type type = Type.GetType("System.Object[]");
ConstructorInfo[] constructors = type.GetConstructors();
Assert.Equal(1, constructors.Length);
ConstructorInfo constructor = constructors[0];
int[] blength = new int[] { -100, -9, -1 };
for (int j = 0; j < blength.Length; j++)
{
Assert.Throws<OverflowException>(() => constructor.Invoke(new object[] { blength[j] }));
}
int[] glength = new int[] { 0, 1, 2, 3, 5, 10, 99, 65535 };
for (int j = 0; j < glength.Length; j++)
{
object[] arr = (object[])constructor.Invoke(new object[] { glength[j] });
Assert.Equal(0, arr.GetLowerBound(0));
Assert.Equal(glength[j] - 1, arr.GetUpperBound(0));
Assert.Equal(glength[j], arr.Length);
}
}
[Fact]
public void Invoke_1DArrayConstructor()
{
Type type = Type.GetType("System.Char[*]");
MethodInfo getLowerBound = type.GetMethod("GetLowerBound");
MethodInfo getUpperBound = type.GetMethod("GetUpperBound");
PropertyInfo getLength = type.GetProperty("Length");
ConstructorInfo[] constructors = type.GetConstructors();
Assert.Equal(2, constructors.Length);
for (int i = 0; i < constructors.Length; i++)
{
switch (constructors[i].GetParameters().Length)
{
case 1:
{
int[] invalidLengths = new int[] { -100, -9, -1 };
for (int j = 0; j < invalidLengths.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLengths[j] }));
}
int[] validLengths = new int[] { 0, 1, 2, 3, 5, 10, 99 };
for (int j = 0; j < validLengths.Length; j++)
{
char[] arr = (char[])constructors[i].Invoke(new object[] { validLengths[j] });
Assert.Equal(0, arr.GetLowerBound(0));
Assert.Equal(validLengths[j] - 1, arr.GetUpperBound(0));
Assert.Equal(validLengths[j], arr.Length);
}
}
break;
case 2:
{
int[] invalidLowerBounds = new int[] { -20, 0, 20 };
int[] invalidLengths = new int[] { -100, -9, -1 };
for (int j = 0; j < invalidLengths.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLowerBounds[j], invalidLengths[j] }));
}
int[] validLowerBounds = new int[] { 0, 1, -1, 2, -3, 5, -10, 99, 100 };
int[] validLengths = new int[] { 0, 1, 3, 2, 3, 5, 10, 99, 0 };
for (int j = 0; j < validLengths.Length; j++)
{
object o = constructors[i].Invoke(new object[] { validLowerBounds[j], validLengths[j] });
Assert.Equal(validLowerBounds[j], (int)getLowerBound.Invoke(o, new object[] { 0 }));
Assert.Equal(validLowerBounds[j] + validLengths[j] - 1, (int)getUpperBound.Invoke(o, new object[] { 0 }));
Assert.Equal(validLengths[j], (int)getLength.GetValue(o, null));
}
}
break;
}
}
}
[Fact]
public void Invoke_2DArrayConstructor()
{
Type type = Type.GetType("System.Int32[,]", false);
ConstructorInfo[] constructors = type.GetConstructors();
Assert.Equal(2, constructors.Length);
for (int i = 0; i < constructors.Length; i++)
{
switch (constructors[i].GetParameters().Length)
{
case 2:
{
int[] invalidLengths1 = new int[] { -11, -10, 0, 10 };
int[] invalidLengths2 = new int[] { -33, 0, -20, -33 };
for (int j = 0; j < invalidLengths1.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLengths1[j], invalidLengths2[j] }));
}
int[] validLengths1 = new int[] { 0, 0, 1, 1, 2, 1, 2, 10, 17, 99 };
int[] validLengths2 = new int[] { 0, 1, 0, 1, 1, 2, 2, 110, 5, 900 };
for (int j = 0; j < validLengths1.Length; j++)
{
int[,] arr = (int[,])constructors[i].Invoke(new object[] { validLengths1[j], validLengths2[j] });
Assert.Equal(0, arr.GetLowerBound(0));
Assert.Equal(validLengths1[j] - 1, arr.GetUpperBound(0));
Assert.Equal(0, arr.GetLowerBound(1));
Assert.Equal(validLengths2[j] - 1, arr.GetUpperBound(1));
Assert.Equal(validLengths1[j] * validLengths2[j], arr.Length);
}
}
break;
case 4:
{
int[] invalidLowerBounds1 = new int[] { 10, -10, 20 };
int[] invalidLowerBounds2 = new int[] { -10, 10, 0 };
int[] invalidLengths3 = new int[] { -11, -10, 0 };
int[] invalidLengths4 = new int[] { -33, 0, -20 };
for (int j = 0; j < invalidLengths3.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLowerBounds1[j], invalidLengths3[j], invalidLowerBounds2[j], invalidLengths4[j] }));
}
int baseNum = 3;
int baseNum4 = baseNum * baseNum * baseNum * baseNum;
int[] validLengths1 = new int[baseNum4];
int[] validLowerBounds1 = new int[baseNum4];
int[] validLengths2 = new int[baseNum4];
int[] validLowerBounds2 = new int[baseNum4];
int cnt = 0;
for (int pos1 = 0; pos1 < baseNum; pos1++)
for (int pos2 = 0; pos2 < baseNum; pos2++)
for (int pos3 = 0; pos3 < baseNum; pos3++)
for (int pos4 = 0; pos4 < baseNum; pos4++)
{
int saved = cnt;
validLengths1[cnt] = saved % baseNum;
saved = saved / baseNum;
validLengths2[cnt] = saved % baseNum;
saved = saved / baseNum;
validLowerBounds1[cnt] = saved % baseNum;
saved = saved / baseNum;
validLowerBounds2[cnt] = saved % baseNum;
cnt++;
}
for (int j = 0; j < validLengths2.Length; j++)
{
int[,] arr = (int[,])constructors[i].Invoke(new object[] { validLengths1[j], validLengths2[j], validLowerBounds1[j], validLowerBounds2[j] });
Assert.Equal(validLengths1[j], arr.GetLowerBound(0));
Assert.Equal(validLengths1[j] + validLengths2[j] - 1, arr.GetUpperBound(0));
Assert.Equal(validLowerBounds1[j], arr.GetLowerBound(1));
Assert.Equal(validLowerBounds1[j] + validLowerBounds2[j] - 1, arr.GetUpperBound(1));
Assert.Equal(validLengths2[j] * validLowerBounds2[j], arr.Length);
}
// Lower can be < 0
validLengths1 = new int[] { 10, 10, 65535, 40, 0, -10, -10, -20, -40, 0 };
validLowerBounds1 = new int[] { 5, 99, -100, 30, 4, -5, 99, 100, -30, 0 };
validLengths2 = new int[] { 1, 200, 2, 40, 0, 1, 200, 2, 40, 65535 };
validLowerBounds2 = new int[] { 5, 10, 1, 0, 4, 5, 65535, 1, 0, 4 };
for (int j = 0; j < validLengths2.Length; j++)
{
int[,] arr = (int[,])constructors[i].Invoke(new object[] { validLengths1[j], validLengths2[j], validLowerBounds1[j], validLowerBounds2[j] });
Assert.Equal(validLengths1[j], arr.GetLowerBound(0));
Assert.Equal(validLengths1[j] + validLengths2[j] - 1, arr.GetUpperBound(0));
Assert.Equal(validLowerBounds1[j], arr.GetLowerBound(1));
Assert.Equal(validLowerBounds1[j] + validLowerBounds2[j] - 1, arr.GetUpperBound(1));
Assert.Equal(validLengths2[j] * validLowerBounds2[j], arr.Length);
}
}
break;
}
}
}
[Fact]
public void Invoke_LargeDimensionalArrayConstructor()
{
Type type = Type.GetType("System.Type[,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,]");
ConstructorInfo[] cia = type.GetConstructors();
Assert.Equal(2, cia.Length);
Assert.Throws<TypeLoadException>(() => Type.GetType("System.Type[,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,]"));
}
[Fact]
public void Invoke_JaggedArrayConstructor()
{
Type type = Type.GetType("System.String[][]");
ConstructorInfo[] constructors = type.GetConstructors();
Assert.Equal(2, constructors.Length);
for (int i = 0; i < constructors.Length; i++)
{
switch (constructors[i].GetParameters().Length)
{
case 1:
{
int[] invalidLengths = new int[] { -11, -10, -99 };
for (int j = 0; j < invalidLengths.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLengths[j] }));
}
int[] validLengths = new int[] { 0, 1, 2, 10, 17, 99 };
for (int j = 0; j < validLengths.Length; j++)
{
string[][] arr = (string[][])constructors[i].Invoke(new object[] { validLengths[j] });
Assert.Equal(0, arr.GetLowerBound(0));
Assert.Equal(validLengths[j] - 1, arr.GetUpperBound(0));
Assert.Equal(validLengths[j], arr.Length);
}
}
break;
case 2:
{
int[] invalidLengths1 = new int[] { -11, -10, 10, 1 };
int[] invalidLengths2 = new int[] { -33, 0, -33, -1 };
for (int j = 0; j < invalidLengths1.Length; j++)
{
Assert.Throws<OverflowException>(() => constructors[i].Invoke(new object[] { invalidLengths1[j], invalidLengths2[j] }));
}
int[] validLengths1 = new int[] { 0, 0, 0, 1, 1, 2, 1, 2, 10, 17, 500 };
int[] validLengths2 = new int[] { -33, 0, 1, 0, 1, 1, 2, 2, 110, 5, 100 };
for (int j = 0; j < validLengths1.Length; j++)
{
string[][] arr = (string[][])constructors[i].Invoke(new object[] { validLengths1[j], validLengths2[j] });
Assert.Equal(0, arr.GetLowerBound(0));
Assert.Equal(validLengths1[j] - 1, arr.GetUpperBound(0));
Assert.Equal(validLengths1[j], arr.Length);
if (validLengths1[j] == 0)
{
Assert.Equal(arr.Length, 0);
}
else
{
Assert.Equal(0, arr[0].GetLowerBound(0));
Assert.Equal(validLengths2[j] - 1, arr[0].GetUpperBound(0));
Assert.Equal(validLengths2[j], arr[0].Length);
}
}
}
break;
}
}
}
}
}
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