From ed8735a5cc5eea3c0107e0d0a95447ba6fc11d19 Mon Sep 17 00:00:00 2001
From: Sascha Kolewa <sascha.kolewa@nokia.com>
Date: Mon, 20 Dec 2010 17:43:06 +0100
Subject: Added object comparison to TestCase QML class

---
 src/imports/testlib/TestCase.qml               | 50 +++++++++++++++++++++++++-
 tests/qmlauto/selftests/tst_compareObjects.qml | 33 +++++++++++++++++
 tests/qmlauto/tst_compare.qml                  | 12 -------
 3 files changed, 82 insertions(+), 13 deletions(-)
 create mode 100644 tests/qmlauto/selftests/tst_compareObjects.qml
 delete mode 100644 tests/qmlauto/tst_compare.qml

diff --git a/src/imports/testlib/TestCase.qml b/src/imports/testlib/TestCase.qml
index 1165c3a..6c73c1d 100644
--- a/src/imports/testlib/TestCase.qml
+++ b/src/imports/testlib/TestCase.qml
@@ -100,10 +100,13 @@ Item {
 
     function qtest_compareInternal(actual, expected) {
         var success = false
+
         if (typeof actual == "number" && typeof expected == "number") {
             // Use a fuzzy compare if the two values are floats
             if (Math.abs(actual - expected) <= 0.00001)
                 success = true
+        } else if (Array.isArray(actual) && Array.isArray(expected)) {
+            success = qtest_compareInternalArrays(actual, expected)
         } else if (typeof actual == "object" && typeof expected == "object") {
             // Does the expected value look like a vector3d?
             if ("x" in expected && "y" in expected && "z" in expected) {
@@ -112,7 +115,7 @@ Item {
                         Math.abs(actual.z - expected.z) <= 0.00001) {
                     success = true
                 }
-            } else if (actual == expected) {
+            } else if (qtest_compareInternalObjects(actual, expected)) {
                 success = true
             }
         } else if (actual == expected) {
@@ -121,12 +124,57 @@ Item {
         return success
     }
 
+    // Test for equality any JavaScript type.
+    // Discussions and reference: http://philrathe.com/articles/equiv
+    // Test suites: http://philrathe.com/tests/equiv
+    // Author: Philippe Rathé <prathe@gmail.com>
+    function qtest_compareInternalObjects(a, b) {
+        var i;
+        var eq = true; // unless we can proove it
+        var aProperties = [], bProperties = []; // collection of strings
+
+        // comparing constructors is more strict than using instanceof
+        if (a.constructor !== b.constructor) {
+            return false;
+        }
+
+        for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
+            aProperties.push(i); // collect a's properties
+            if (!qtest_compareInternal(a[i], b[i])) {
+                eq = false;
+            }
+        }
+
+        for (i in b) {
+            bProperties.push(i); // collect b's properties
+        }
+
+        // Ensures identical properties name
+        return eq && qtest_compareInternal(aProperties.sort(), bProperties.sort());
+
+    }
+
+    function qtest_compareInternalArrays(actual, expected) {
+        if (actual.length != expected.length) {
+            return false
+        }
+
+        for (var i = 0, len = actual.length; i < len; i++) {
+            if (!qtest_compareInternal(actual[i], expected[i])) {
+                return false
+            }
+        }
+
+        return true
+    }
+
     function qtest_formatValue(value) {
         if (typeof value == "object") {
             if ("x" in value && "y" in value && "z" in value) {
                 return "Qt.vector3d(" + value.x + ", " +
                        value.y + ", " + value.z + ")"
             }
+            return JSON.stringify(value)
         }
         return value
     }
diff --git a/tests/qmlauto/selftests/tst_compareObjects.qml b/tests/qmlauto/selftests/tst_compareObjects.qml
new file mode 100644
index 0000000..84fe3fe
--- /dev/null
+++ b/tests/qmlauto/selftests/tst_compareObjects.qml
@@ -0,0 +1,33 @@
+import Qt 4.7
+import QtQuickTest 1.0
+
+TestCase {
+    name: "SelfTests_CompareObjects"
+
+    function test_qtest_internalCompareObjects() {
+        var testObj11 = {a: 1, b: "foo", c: true};
+        var testObj12 = {a: 1, b: "foo", c: true};
+        var testObj21 = {a: 1, b: "foo", c: true, d: testObj11};
+        var testObj22 = {a: 1, b: "foo", c: true, d: testObj11};
+        var testObj23 = {a: 1, b: "foo", c: true, d: testObj12};
+
+        compare(qtest_compareInternalObjects(testObj11, testObj11), true, "Object identity");
+        compare(qtest_compareInternalObjects(testObj11, testObj12), true, "Object equality");
+        compare(qtest_compareInternalObjects(testObj21, testObj21), true, "Nested object identity");
+        compare(qtest_compareInternalObjects(testObj21, testObj22), true, "Nested object equality");
+        compare(qtest_compareInternalObjects(testObj21, testObj23), true, "Deep nested object equality");
+    }
+
+    function test_qtest_internalCompareObjects_differentObjects() {
+        var testObj11 = {a: 1, b: "foo", c: true};
+        var testObj12 = {a: 2, b: "foo", c: true};
+        var testObj13 = {a: 1, b: "bar", c: true};
+        var testObj14 = {a: 1, b: "foo", c: false};
+
+        compare(qtest_compareInternalObjects(testObj11, testObj12), false, "Different number");
+        compare(qtest_compareInternalObjects(testObj11, testObj13), false, "Different string");
+        compare(qtest_compareInternalObjects(testObj11, testObj14), false, "Different boolean");
+    }
+
+
+}
diff --git a/tests/qmlauto/tst_compare.qml b/tests/qmlauto/tst_compare.qml
deleted file mode 100644
index 579ca41..0000000
--- a/tests/qmlauto/tst_compare.qml
+++ /dev/null
@@ -1,12 +0,0 @@
-import Qt 4.7
-import QtQuickTest 1.0
-
-TestCase {
-    function test_compare_objects() {
-        var testObj1 = {a: 1, b: "foo", c: true};
-        compare(testObj1, testObj1, "Object identity");
-
-        var testObj2 = {a: 1, b: "foo", c: true};
-        compare(testObj1, testObj2, "Object equality");
-    }
-}
-- 
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