diff --git a/core/tests/Variable/TestVariableSync.cpp b/core/tests/Variable/TestVariableSync.cpp
index 2d44c43..3178719 100644
--- a/core/tests/Variable/TestVariableSync.cpp
+++ b/core/tests/Variable/TestVariableSync.cpp
@@ -6,12 +6,16 @@
 #include <Data/DataProviderParameters.h>
 #include <Data/IDataProvider.h>
 #include <Data/ScalarSeries.h>
+#include <Time/TimeController.h>
 #include <Variable/Variable.h>
 #include <Variable/VariableController.h>
 #include <Variable/VariableModel.h>
 
 namespace {
 
+/// Delay after each operation on the variable before validating it (in ms)
+const auto OPERATION_DELAY = 100;
+
 /**
  * Generates values according to a range. The value generated for a time t is the number of seconds
  * of difference between t and a reference value (which is midnight -> 00:00:00)
@@ -173,7 +177,9 @@ void TestVariableSync::testSync_data()
     // Test structure //
     // ////////////// //
 
-    /// @todo
+    QTest::addColumn<QUuid>("syncId");
+    QTest::addColumn<SqpRange>("initialRange");
+    QTest::addColumn<Iterations>("iterations");
 
     // ////////// //
     // Test cases //
@@ -184,7 +190,50 @@ void TestVariableSync::testSync_data()
 
 void TestVariableSync::testSync()
 {
-    /// @todo
+    // Inits controllers
+    TimeController timeController{};
+    VariableController variableController{};
+    variableController.setTimeController(&timeController);
+
+    QFETCH(QUuid, syncId);
+    QFETCH(SqpRange, initialRange);
+    timeController.onTimeToUpdate(initialRange);
+
+    // Synchronization group used
+    variableController.onAddSynchronizationGroupId(syncId);
+
+    // For each iteration:
+    // - execute operation
+    // - compare the variables' state to the expected states
+    QFETCH(Iterations, iterations);
+    for (const auto &iteration : iterations) {
+        iteration.m_Operation->exec(variableController);
+        QTest::qWait(OPERATION_DELAY);
+
+        for (const auto &expectedRangeEntry : iteration.m_ExpectedRanges) {
+            auto variableIndex = expectedRangeEntry.first;
+            auto expectedRange = expectedRangeEntry.second;
+
+            // Gets the variable in the controller
+            auto variable = variableController.variableModel()->variable(variableIndex);
+
+            // Compares variable's range to the expected range
+            QVERIFY(variable != nullptr);
+            auto range = variable->range();
+            QCOMPARE(range, expectedRange);
+
+            // Compares variable's data with values expected for its range
+            auto dataSeries = variable->dataSeries();
+            QVERIFY(dataSeries != nullptr);
+
+            auto it = dataSeries->xAxisRange(range.m_TStart, range.m_TEnd);
+            auto expectedValues = values(range);
+            QVERIFY(std::equal(it.first, it.second, expectedValues.cbegin(), expectedValues.cend(),
+                               [](const auto &dataSeriesIt, const auto &expectedValue) {
+                                   return dataSeriesIt.value() == expectedValue;
+                               }));
+        }
+    }
 }
 
 QTEST_MAIN(TestVariableSync)