diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6513b90e8..c62a8bea4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -113,6 +113,7 @@ if (GTEST_FOUND AND GMOCK_FOUND)
             aul/AulTest.cpp
 			aul/AulTest.h
 			aul/AulMathTest.cpp
+			aul/AulPredefinedFunctionTest.cpp
             ../src/script/C4ScriptStandaloneStubs.cpp
         LIBRARIES
             libmisc
diff --git a/tests/aul/AulMathTest.cpp b/tests/aul/AulMathTest.cpp
index e7433c127..1130823a9 100644
--- a/tests/aul/AulMathTest.cpp
+++ b/tests/aul/AulMathTest.cpp
@@ -21,13 +21,7 @@
 #include "script/C4Aul.h"
 
 class AulMathTest : public AulTest
-{
-protected:
-	static const C4Value C4VINT_MIN;
-	static const C4Value C4VINT_MAX;
-};
-const C4Value AulMathTest::C4VINT_MIN = C4VInt(-2147483647 - 1);
-const C4Value AulMathTest::C4VINT_MAX = C4VInt(2147483647);
+{};
 
 TEST_F(AulMathTest, Addition)
 {
diff --git a/tests/aul/AulPredefinedFunctionTest.cpp b/tests/aul/AulPredefinedFunctionTest.cpp
new file mode 100644
index 000000000..5be911421
--- /dev/null
+++ b/tests/aul/AulPredefinedFunctionTest.cpp
@@ -0,0 +1,54 @@
+/*
+* OpenClonk, http://www.openclonk.org
+*
+* Copyright (c) 2016, The OpenClonk Team and contributors
+*
+* Distributed under the terms of the ISC license; see accompanying file
+* "COPYING" for details.
+*
+* "Clonk" is a registered trademark of Matthes Bender, used with permission.
+* See accompanying file "TRADEMARK" for details.
+*
+* To redistribute this file separately, substitute the full license texts
+* for the above references.
+*/
+
+// Testing behaviour of some predefined C4Script functions.
+
+#include "C4Include.h"
+#include "AulTest.h"
+
+#include "script/C4Aul.h"
+
+class AulPredefFunctionTest : public AulTest
+{};
+
+TEST_F(AulPredefFunctionTest, Min)
+{
+	EXPECT_EQ(C4VInt(0), RunExpr("Min(0, 1)"));
+	EXPECT_EQ(C4VInt(0), RunExpr("Min(1, 0)"));
+	
+	EXPECT_EQ(C4VInt(-1), RunExpr("Min(-1, 0)"));
+	EXPECT_EQ(C4VInt(-1), RunExpr("Min(0, -1)"));
+
+	EXPECT_EQ(C4VINT_MIN, RunExpr("Min(-2147483648, 0)"));
+	EXPECT_EQ(C4VINT_MIN, RunExpr("Min(0, -2147483648)"));
+
+	EXPECT_EQ(C4VInt(0), RunExpr("Min(2147483647, 0)"));
+	EXPECT_EQ(C4VInt(0), RunExpr("Min(0, 2147483647)"));
+}
+
+TEST_F(AulPredefFunctionTest, Max)
+{
+	EXPECT_EQ(C4VInt(1), RunExpr("Max(0, 1)"));
+	EXPECT_EQ(C4VInt(1), RunExpr("Max(1, 0)"));
+
+	EXPECT_EQ(C4VInt(0), RunExpr("Max(-1, 0)"));
+	EXPECT_EQ(C4VInt(0), RunExpr("Max(0, -1)"));
+
+	EXPECT_EQ(C4VInt(0), RunExpr("Max(-2147483648, 0)"));
+	EXPECT_EQ(C4VInt(0), RunExpr("Max(0, -2147483648)"));
+
+	EXPECT_EQ(C4VINT_MAX, RunExpr("Max(2147483647, 0)"));
+	EXPECT_EQ(C4VINT_MAX, RunExpr("Max(0, 2147483647)"));
+}
diff --git a/tests/aul/AulTest.cpp b/tests/aul/AulTest.cpp
index 11ba1a321..6ac22b0a3 100644
--- a/tests/aul/AulTest.cpp
+++ b/tests/aul/AulTest.cpp
@@ -70,6 +70,9 @@ C4Value AulTest::RunExpr(const char *expr)
 	return RunCode(code.c_str());
 }
 
+const C4Value AulTest::C4VINT_MIN = C4VInt(-2147483647 - 1);
+const C4Value AulTest::C4VINT_MAX = C4VInt(2147483647);
+
 TEST_F(AulTest, ValueReturn)
 {
 	// Make sure primitive value returns work.
diff --git a/tests/aul/AulTest.h b/tests/aul/AulTest.h
index 082dbd78a..fb3c1e00f 100644
--- a/tests/aul/AulTest.h
+++ b/tests/aul/AulTest.h
@@ -31,6 +31,9 @@ class AulTest : public ::testing::Test
 protected:
 	C4Value RunCode(const char *code, bool wrap = true);
 	C4Value RunExpr(const char *expr);
+
+	static const C4Value C4VINT_MIN;
+	static const C4Value C4VINT_MAX;
 };
 
 namespace aul_test {