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https://github.com/beefytech/Beef.git
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96 lines
2.2 KiB
Beef
96 lines
2.2 KiB
Beef
#pragma warning disable 168
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using System;
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using System.Diagnostics;
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namespace Tests
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{
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class VarArgsTests
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{
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#if BF_PLATFORM_WINDOWS
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[CLink, Import("msvcrt.dll")]
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#else
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[CLink]
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#endif
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public static extern int32 sprintf(char8* dest, char8* fmt, ...);
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#if BF_PLATFORM_WINDOWS
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[CLink, Import("msvcrt.dll")]
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#else
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[CLink]
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#endif
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public static extern int32 vsprintf(char8* dest, char8* fmt, void* varArgs);
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public static (int, int, int) MethodA(...)
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{
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VarArgs vaArgs = .();
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vaArgs.Start!();
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int val = vaArgs.Get!<int>();
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int val2 = vaArgs.Get!<int>();
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double d = vaArgs.Get!<double>();
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int val3 = (int)d;
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vaArgs.End!();
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return (val, val2, val3);
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}
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public static (int, int, int) MethodB(int a, ...)
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{
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VarArgs vaArgs = .();
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vaArgs.Start!();
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int val = vaArgs.Get!<int>();
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int val2 = vaArgs.Get!<int>();
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int val3 = (int)vaArgs.Get!<double>();
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vaArgs.End!();
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return (val, val2, val3);
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}
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public static (int, int, int) MethodC(int a, ...)
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{
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uint8* data = scope uint8[a]*;
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VarArgs vaArgs = .();
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vaArgs.Start!();
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int val = vaArgs.Get!<int>();
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int val2 = vaArgs.Get!<int>();
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int val3 = (int)vaArgs.Get!<double>();
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vaArgs.End!();
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return (val, val2, val3);
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}
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public static int32 SPrintF(char8* dest, char8* fmt, ...)
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{
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VarArgs vaArgs = .();
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vaArgs.Start!();
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int32 result = vsprintf(dest, fmt, vaArgs.ToVAList());
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vaArgs.End!();
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return result;
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}
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[Test]
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public static void TestBasics()
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{
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char8[256] cStr;
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sprintf(&cStr, "Test %d %0.1f %0.1f", 123, 1.2f, 2.3f);
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String str = scope .(&cStr);
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Test.Assert(str == "Test 123 1.2 2.3");
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SPrintF(&cStr, "Test %d %0.1f %0.1f", 223, 2.2f, 3.3f);
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str.Set(StringView(&cStr));
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Test.Assert(str == "Test 223 2.2 3.3");
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// LLVM 32-bit varargs bug?
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#if BF_32_BIT && BF_PLATFORM_WINDOWS
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Test.Assert(MethodA( 12, 23, 123.0f) case (12, 23, ?));
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Test.Assert(MethodB( 9, 22, 33, 223.0f) case (22, 33, ?));
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Test.Assert(MethodC(11, 32, 43, 323.0f) case (32, 43, ?));
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#else
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Test.Assert(MethodA( 12, 23, 123.0f) == (12, 23, 123));
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Test.Assert(MethodB( 9, 22, 33, 223.0f) == (22, 33, 223));
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Test.Assert(MethodC(11, 32, 43, 323.0f) == (32, 43, 323));
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#endif
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}
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}
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}
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