mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
236 lines
8.8 KiB
C#
236 lines
8.8 KiB
C#
using System;
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using Cosmos.TestRunner;
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namespace Cosmos.Compiler.Tests.Bcl.System
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{
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internal static class UInt32Test
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{
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public static void Execute()
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{
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uint value;
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string result;
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string expectedResult;
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value = UInt32.MaxValue;
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result = value.ToString();
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expectedResult = "4294967295";
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//Assert.IsTrue((result == expectedResult), "UInt32.ToString doesn't work");
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// Now let's try to concat to a String using '+' operator
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result = "The Maximum value of an UInt32 is " + value;
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expectedResult = "The Maximum value of an UInt32 is 4294967295";
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Assert.IsTrue((result == expectedResult), "String concat (UInt32) doesn't work");
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// Now let's try to use '$ instead of '+'
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result = $"The Maximum value of an UInt32 is {value}";
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// Actually 'expectedResult' should be the same so...
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Assert.IsTrue((result == expectedResult), "String format (UInt32) doesn't work");
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// Now let's Get the HashCode of a value
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int resultAsInt = value.GetHashCode();
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// actually the Hash Code of a Int32 is the same value (but expressed as Int32 so could have sign!)
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Assert.IsTrue((resultAsInt == (int)value), "UInt32.GetHashCode() doesn't work");
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#if false
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// Now let's try ToString() again but printed in hex (this test fails for now!)
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result = value.ToString("X2");
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expectedResult = "0x7FFFFFFF";
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Assert.IsTrue((result == expectedResult), "Int32.ToString(X2) doesn't work");
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#endif
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// basic bit operations
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uint val2;
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value = 0x0C; // low-order bits: 0b0000_1100
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val2 = ~value; // val2 = ~value = low-order bits: 0b1111_0011
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Assert.IsTrue(val2 == 0xFFFFFFF3, "UInt32 bitwise not doesn't work got: " + val2);
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val2 = value & 0x06; // low-order bits: val2 = value & 0b0000_0110 = 0b0000_0100
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Assert.IsTrue(val2 == 0x04, "UInt32 bitwise and doesn't work got: " + val2);
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val2 = value | 0x06; // low-order bits: val2 = value | 0b0000_0110 = 0b0000_1110
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Assert.IsTrue(val2 == 0x0E, "UInt32 bitwise or doesn't work got: " + val2);
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val2 = value ^ 0x06; // low-order bits: val2 = value ^ 0b0000_0110 = 0b0000_1010
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Assert.IsTrue(val2 == 0x0A, "UInt32 bitwise xor doesn't work got: " + val2);
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val2 = value >> 0x02; // low-order bits: val2 = value >> 0b0000_0010 = 0b0000_0011
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Assert.IsTrue(val2 == 0x03, "UInt32 left shift doesn't work got: " + val2);
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val2 = value << 0x02; // low-order bits: val2 = value << 0b0000_0010 = 0b0011_0000
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Assert.IsTrue(val2 == 0x30, "UInt32 right shift doesn't work got: " + val2);
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// basic arithmetic operations
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value = 60;
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val2 = value + 5;
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Assert.IsTrue(val2 == 65, "UInt32 addition doesn't work got: " + val2);
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val2 = value - 5;
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Assert.IsTrue(val2 == 55, "UInt32 subtraction doesn't work got: " + val2);
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val2 = value * 5;
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Assert.IsTrue(val2 == 300, "UInt32 multiplication doesn't work got: " + val2);
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val2 = value / 5;
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Assert.IsTrue(val2 == 12, "UInt32 division doesn't work got: " + val2);
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val2 = value % 7;
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Assert.IsTrue(val2 == 4, "UInt32 remainder doesn't work got: " + val2);
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// Now test conversions
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uint maxValue = UInt32.MaxValue;
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uint minValue = UInt32.MinValue;
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// TODO: some convert instructions aren't being emitted, we should find other ways of getting them emitted
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// Test Conv_I1
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Assert.IsTrue((sbyte)maxValue == -1, "Conv_I1 for UInt32 doesn't work");
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Assert.IsTrue((sbyte)minValue == 0, "Conv_I1 for UInt32 doesn't work");
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// Test Conv_U1
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Assert.IsTrue((byte)maxValue == 0xFF, "Conv_U1 for UInt32 doesn't work");
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Assert.IsTrue((byte)minValue == 0x00, "Conv_U1 for UInt32 doesn't work");
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// Test Conv_I2
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Assert.IsTrue((short)maxValue == -0x0001, "Conv_I2 for UInt32 doesn't work");
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Assert.IsTrue((short)minValue == 0x0000, "Conv_I2 for UInt32 doesn't work");
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// Test Conv_U2
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Assert.IsTrue((ushort)maxValue == 0xFFFF, "Conv_U2 for UInt32 doesn't work");
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Assert.IsTrue((ushort)minValue == 0x0000, "Conv_U2 for UInt32 doesn't work");
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// Test Conv_I4
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Assert.IsTrue((int)maxValue == -0x00000001, "Conv_I4 for UInt32 doesn't work");
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Assert.IsTrue((int)minValue == 0x00000000, "Conv_I4 for UInt32 doesn't work");
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// Test Conv_U4
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Assert.IsTrue((uint)maxValue == 0xFFFFFFFF, "Conv_U4 for UInt32 doesn't work");
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Assert.IsTrue((uint)minValue == 0x00000000, "Conv_U4 for UInt32 doesn't work");
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// Test Conv_I8
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Assert.IsTrue((long)maxValue == 0x00000000FFFFFFFF, "Conv_I8 for UInt32 doesn't work");
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Assert.IsTrue((long)minValue == 0x0000000000000000, "Conv_I8 for UInt32 doesn't work");
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// Test Conv_U8
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Assert.IsTrue((ulong)maxValue == 0x00000000FFFFFFFF, "Conv_U8 for UInt32 doesn't work");
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Assert.IsTrue((ulong)minValue == 0x0000000000000000, "Conv_U8 for UInt32 doesn't work");
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// Test Conv_R4
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Assert.IsTrue((float)maxValue == uint.MaxValue, "Conv_R4 for UInt32 doesn't work");
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Assert.IsTrue((float)minValue == uint.MinValue, "Conv_R4 for UInt32 doesn't work");
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// Test Conv_R8
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Assert.IsTrue((double)maxValue == uint.MaxValue, "Conv_R8 for UInt32 doesn't work");
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Assert.IsTrue((double)minValue == uint.MinValue, "Conv_R8 for UInt32 doesn't work");
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//Test checked conversions
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long val = 1;
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// Test Conv_Ovf_U4
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checked
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{
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Assert.IsTrue((uint)(long)125 == 0x7D, "Conv_Ovf_U4 doesn't work(throws incorrectly)");
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uint x = 0;
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bool error = false;
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try
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{
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x = (uint)(uint.MaxValue + val);
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}
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catch (Exception)
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{
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error = true;
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}
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Assert.IsTrue(error, "Conv_Ovf_U4 doesn't work(error was not thrown): " + x);
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try
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{
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int y = 1;
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x = (uint)(-80 + y);
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}
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catch (Exception)
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{
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error = true;
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}
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Assert.IsTrue(error, "Conv_Ovf_U4 doesn't work for negative integers(error was not thrown): " + x);
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}
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// Test Conv_Ovf_U4_Un
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checked
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{
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Assert.IsTrue((uint)(ulong)125 == 0x7D, "Conv_Ovf_U4_Un doesn't work(throws incorrectly)");
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long max = uint.MaxValue;
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Assert.IsTrue((uint)(ulong)max == uint.MaxValue, "Conv_Ovf_U4_Un doesn't work(throws incorrectly)");
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uint x = 0;
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bool error = false;
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try
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{
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x = (uint)(ulong)(val + uint.MaxValue);
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}
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catch (Exception)
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{
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error = true;
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}
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Assert.IsTrue(error, "Conv_Ovf_U4_Un doesn't work(error was not thrown): " + x);
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}
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//Test Methods
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val2 = TestMethod(value);
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Assert.IsTrue(value == 60, "Passing an UInt32 as a method parameter doesn't work");
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Assert.IsTrue(val2 == 61, "Returning an UInt32 value from a method doesn't work");
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ByRefTestMethod(ref value);
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Assert.IsTrue(value == 61, "Passing an UInt32 by ref to a method doesn't work");
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uint val3o = 10000;
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bool efuse = false;
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try
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{
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checked
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{
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val3o += uint.MaxValue;
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}
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}
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catch (OverflowException)
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{
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efuse = true;
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}
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Assert.IsTrue(efuse, "Add_Ovf for UInt32 doesn't work: " + val3o);
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efuse = false;
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val3o = 10000;
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try
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{
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checked
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{
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val3o -= 2147483647;
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}
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}
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catch (OverflowException)
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{
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efuse = true;
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}
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Assert.IsTrue(efuse, "Sub_Ovf for UInt32 doesn't work: " + val3o);
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}
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public static uint TestMethod(uint aParam)
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{
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aParam++;
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return aParam;
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}
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public static void ByRefTestMethod(ref uint aParam)
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{
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aParam++;
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}
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}
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}
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