Add tests

source/compiler/tests/__addressof.meta

@@ -0,0 +1,9 @@
+{
+  'test_type': 'output_check',
+  'errors': """
+__addressof.pwn(3) : error 017: undefined symbol "Func1"
+__addressof.pwn(16) : error 093: "__addressof" operator is invalid in preprocessor expressions
+__addressof.pwn(21) : error 001: expected token: "-variable, array, array cell, label or function-", but found "-numeric value-"
+__addressof.pwn(24) : error 001: expected token: "-variable, array, array cell, label or function-", but found "-native function-"
+  """
+}

source/compiler/tests/__addressof.pwn

@@ -0,0 +1,52 @@
+#include <console>
+
+const func1_addr = __addressof(Func1); // error
+
+Func1() {}
+Func2() {}
+Func3() {}
+
+new const functions[3] =
+{
+	__addressof(Func1),
+	__addressof(Func2),
+	__addressof(Func3)
+};
+
+#if __addressof Func1 > 0 // error
+#endif
+
+main()
+{
+	const a = __addressof func1_addr; // error
+	#pragma unused a
+
+	const b = __addressof printf; // error
+	#pragma unused b
+
+lbl:
+	const c = __addressof lbl;
+	#pragma unused c
+
+	const d = __addressof functions;
+	#pragma unused d
+
+	const e = __addressof functions[1];
+	#pragma unused e
+
+	static x = 0;
+	const f = __addressof x;
+	#pragma unused f
+
+	static arr1[3][2] = { { 0, ... }, ... };
+	const g = __addressof arr1[2][1];
+	#pragma unused g
+
+	new y = 0;
+	new const h = __addressof y;
+	#pragma unused h
+
+	new arr2[3][2] = { { 0, ... }, ... };
+	new const i = __addressof arr2;
+	#pragma unused i
+}