From 83183769c1125b3aa489205dd880bf94830831bd Mon Sep 17 00:00:00 2001
From: "arseny.kapoulkine"
 <arseny.kapoulkine@99668b35-9821-0410-8761-19e4c4f06640>
Date: Wed, 28 Oct 2009 07:40:15 +0000
Subject: tests: Added function arguments tests, added arithmetic operators
 tests

git-svn-id: http://pugixml.googlecode.com/svn/trunk@181 99668b35-9821-0410-8761-19e4c4f06640
---
 tests/test_xpath_functions.cpp | 32 ++++++++++++++++++---
 tests/test_xpath_operators.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 93 insertions(+), 4 deletions(-)
 create mode 100644 tests/test_xpath_operators.cpp

(limited to 'tests')

diff --git a/tests/test_xpath_functions.cpp b/tests/test_xpath_functions.cpp
index 67aa949..0a2b605 100644
--- a/tests/test_xpath_functions.cpp
+++ b/tests/test_xpath_functions.cpp
@@ -116,10 +116,6 @@ TEST(xpath_number_round)
 
 	// round with 2 arguments
 	CHECK_XPATH_FAIL("round(1, 2)");
-
-	// round with negative zero results
-	// $$ CHECK_XPATH_NUMBER(c, "round(-0.3)", -0)
-	// $$ CHECK_XPATH_NUMBER(c, "round(-0)", -0)
 }
 
 TEST_XML(xpath_boolean_boolean, "<node />")
@@ -498,3 +494,31 @@ TEST(xpath_string_translate)
 	// translate with 4 arguments
 	CHECK_XPATH_FAIL("translate('a', 'b', 'c', 'd')");
 }
+
+TEST(xpath_function_arguments)
+{
+	xml_node c;
+
+	// conversion to string
+	CHECK_XPATH_NUMBER(c, "string-length(12)", 2);
+	
+	// conversion to number
+	CHECK_XPATH_NUMBER(c, "round('1.2')", 1);
+	CHECK_XPATH_NUMBER(c, "round('1.7')", 2);
+
+	// conversion to boolean
+	CHECK_XPATH_BOOLEAN(c, "not('1')", false);
+	CHECK_XPATH_BOOLEAN(c, "not('')", true);
+	
+	// conversion to node set
+	CHECK_XPATH_FAIL("sum(1)");
+
+	// expression evaluation
+	CHECK_XPATH_NUMBER(c, "round((2 + 2 * 2) div 4)", 2);
+	
+	// empty expressions
+	CHECK_XPATH_FAIL("round(,)");
+	CHECK_XPATH_FAIL("substring(,)");
+	CHECK_XPATH_FAIL("substring('a',)");
+	CHECK_XPATH_FAIL("substring(,'a')");
+}
diff --git a/tests/test_xpath_operators.cpp b/tests/test_xpath_operators.cpp
new file mode 100644
index 0000000..41005d4
--- /dev/null
+++ b/tests/test_xpath_operators.cpp
@@ -0,0 +1,65 @@
+#include "common.hpp"
+
+TEST_XML(xpath_operators_arithmetic, "<node><foo-bar>10</foo-bar><foo>2</foo><bar>3</bar></node>")
+{
+	xml_node c;
+	xml_node n = doc.child("node");
+
+	// incorrect unary operator
+	CHECK_XPATH_FAIL("-");
+
+	// correct unary operator
+	CHECK_XPATH_NUMBER(c, "-1", -1);
+	CHECK_XPATH_NUMBER(c, "--1", 1);
+	CHECK_XPATH_NUMBER(c, "---1", -1);
+
+	// incorrect binary operators
+	CHECK_XPATH_FAIL("5+");
+	CHECK_XPATH_FAIL("5-");
+	CHECK_XPATH_FAIL("5*");
+	CHECK_XPATH_FAIL("+5");
+	CHECK_XPATH_FAIL("*5");
+	CHECK_XPATH_FAIL("1div2");
+	CHECK_XPATH_FAIL("1mod");
+	CHECK_XPATH_FAIL("1div");
+
+	// correct trivial binary operators
+	CHECK_XPATH_NUMBER(c, "1 + 2", 3);
+	CHECK_XPATH_NUMBER(c, "1+2", 3);
+	CHECK_XPATH_NUMBER(c, "1 * 2", 2);
+	CHECK_XPATH_NUMBER(c, "1*2", 2);
+	CHECK_XPATH_NUMBER(c, "1 div 2", 0.5);
+
+	// operator precedence
+	CHECK_XPATH_NUMBER(c, "2 + 2 * 2 div 1 mod 3", 3);
+	CHECK_XPATH_NUMBER(c, "2 + 2 * 2 div (1 mod 3)", 6);
+	CHECK_XPATH_NUMBER(c, "(2 + 2) * 2 div (1 mod 3)", 8);
+	CHECK_XPATH_NUMBER(c, "(2 + 2) * (2 div 1) mod 3", 2);
+	CHECK_XPATH_NUMBER(c, "2 - -2", 4);
+	CHECK_XPATH_NUMBER(c, "2--2", 4);
+	CHECK_XPATH_NUMBER(c, "1-2-3", -4);
+
+	// infinity/nan
+	CHECK_XPATH_STRING(c, "1 div 0", "Infinity");
+	CHECK_XPATH_STRING(c, "-1 div 0", "-Infinity");
+	CHECK_XPATH_STRING(c, "-1 div 0 + 1 div 0", "NaN");
+	CHECK_XPATH_STRING(c, "0 div 0", "NaN");
+	CHECK_XPATH_STRING(c, "1 div 0 + 1 div 0", "Infinity");
+	CHECK_XPATH_STRING(c, "-1 div 0 + -1 div 0", "-Infinity");
+	CHECK_XPATH_STRING(c, "1 div 0 + 100", "Infinity");
+	CHECK_XPATH_STRING(c, "-1 div 0 + 100", "-Infinity");
+	CHECK_XPATH_STRING(c, "0 div 0 + 100", "NaN");
+
+	// mod, from W3C standard
+	CHECK_XPATH_NUMBER(c, "5 mod 2", 1);
+	CHECK_XPATH_NUMBER(c, "5 mod -2", 1);
+	CHECK_XPATH_NUMBER(c, "-5 mod 2", -1);
+	CHECK_XPATH_NUMBER(c, "-5 mod -2", -1);
+
+	// correct subtraction parsing, from W3C standard
+	CHECK_XPATH_NUMBER(n, "foo-bar", 10);
+	CHECK_XPATH_NUMBER(n, "foo -bar", -1);
+	CHECK_XPATH_NUMBER(n, "foo - bar", -1);
+	CHECK_XPATH_NUMBER(n, "-foo-bar", -10);
+	CHECK_XPATH_NUMBER(n, "-foo -bar", -5);
+}
-- 
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