Merge pull request #10 from ant-zuev/add_test_trunc_function

Add a test for TRUNC function

tests/functional/intfunc/string/test_trunc_01.py

@@ -0,0 +1,42 @@
+#coding:utf-8
+
+"""
+ID:          intfunc.string.trunc
+TITLE:       Test for TRUNC function
+DESCRIPTION:
+    TRUNC( <number> [, <number> ] )
+    Returns the integral part (up to the specified scale) of a number.
+FBTEST:      functional.intfunc.string.trunc_01
+"""
+
+import os
+import platform
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+test_script = """
+    select trunc(-2.8), trunc(2.8)
+        from rdb$database;  -- returns -2, 2
+    select trunc(987.65, 1), trunc(987.65, -1)
+       from rdb$database;  -- returns 987.60, 980.00
+"""
+
+act = isql_act('db', test_script)
+
+expected_stdout = """
+                TRUNC                 TRUNC
+===================== =====================
+                   -2                     2
+
+                TRUNC                 TRUNC
+===================== =====================
+               987.60                980.00
+"""
+
+@pytest.mark.version('>=3')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute()
+    assert act.clean_stdout == act.clean_expected_stdout