From 45c4362ae608072a6c29acb490adea9ab3e46ad3 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Thu, 4 Jul 2024 06:29:46 +0300
Subject: [PATCH] public: add Q_ato{i,f,v} test

---
 public/tests/test_atoi.c | 108 +++++++++++++++++++++++++++++++++++++++
 public/wscript           |   1 +
 2 files changed, 109 insertions(+)
 create mode 100644 public/tests/test_atoi.c

diff --git a/public/tests/test_atoi.c b/public/tests/test_atoi.c
new file mode 100644
index 00000000..3f1b4393
--- /dev/null
+++ b/public/tests/test_atoi.c
@@ -0,0 +1,108 @@
+#include "crtlib.h"
+#include "xash3d_mathlib.h"
+
+static int Test_Atoi( void )
+{
+	struct {
+		const char *str;
+		int result;
+	} test_data[] = {
+		{ "", 0 },
+		{ "   123", 123 },
+		{ "-123", -123 },
+		{ "0xa1ba", 0xa1ba },
+		{ "-0xa1ba", -0xa1ba },
+		{ "0XA1BA", 0xa1ba },
+		{ "-0XA1BA", -0xa1ba },
+		{ "'a'", (byte)'a' },
+		{ "-'c'", - ((byte)'c') },
+	};
+	int i;
+
+	for( i = 0; i < sizeof( test_data ) / sizeof( test_data[0] ); i++ )
+	{
+		if( Q_atoi( test_data[i].str ) != test_data[i].result )
+			return i + 1;
+	}
+
+	return 0;
+}
+
+static int Test_Atof( void )
+{
+	struct {
+		const char *str;
+		float result;
+	} test_data[] = {
+		{ "", 0 },
+		{ "   123.123", 123.123 },
+		{ "-123.13   ", -123.13 },
+		{ "0xa1ba", 0xa1ba },
+		{ "-0xa1ba", -0xa1ba },
+		{ "0XA1BA", 0xa1ba },
+		{ "-0XA1BA", -0xa1ba },
+		{ "'a'", (byte)'a' },
+		{ "-'c'", - ((byte)'c') }
+	};
+	int i;
+
+	for( i = 0; i < sizeof( test_data ) / sizeof( test_data[0] ); i++ )
+	{
+		float result = Q_atof( test_data[i].str );
+
+		if( !Q_equal( result, test_data[i].result ))
+			return i + 1;
+	}
+
+	return 0;
+}
+
+static int Test_Atov( void )
+{
+	struct {
+		const char *str;
+		int N;
+		float result[3];
+	} test_data[] = {
+		{ "1.0 1.2 3", 3, { 1.0f, 1.2f, 3.0f }},
+		{ "1.234 1.32", 2, { 1.234f, 1.32f }},
+	};
+	int i;
+
+	for( i = 0; i < sizeof( test_data ) / sizeof( test_data[0] ); i++ )
+	{
+		float result[3];
+		int j;
+
+		memset( result, 0, sizeof( result ));
+		Q_atov( result, test_data[i].str, test_data[i].N );
+
+		for( j = 0; j < 3; j++ ) // check that Q_atov didn't parsed more than requested
+		{
+			if( !Q_equal( result[j], test_data[i].result[j] ))
+				return i * 4 + j + 1;
+		}
+	}
+
+	return 0;
+}
+
+int main( void )
+{
+	int ret = Test_Atoi();
+
+	if( ret > 0 )
+		return ret;
+
+	ret = Test_Atof();
+
+	if( ret > 0 )
+		return ret + 32;
+
+	ret = Test_Atov();
+
+	if( ret > 0 )
+		return ret + 64;
+
+	return 0;
+}
diff --git a/public/wscript b/public/wscript
index 863977bd..86581d83 100644
--- a/public/wscript
+++ b/public/wscript
@@ -118,6 +118,7 @@ def build(bld):
 			'build': 'tests/test_build.c',
 			'filebase': 'tests/test_filebase.c',
 			'efp': 'tests/test_efp.c',
+			'atoi': 'tests/test_atoi.c',
 		}
 
 		for i in tests: