update changelog and tests

Author: alphaville

CHANGELOG.md

@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Set precision in `DTensor::saveToFile` properly
-
+- `DTensor<T>::parseFromTextFile` throws `std::invalid_argument` if `T` is unsupported
 
 <!-- ---------------------
       v1.5.0

test/testTensor.cu

@@ -122,9 +122,9 @@ TEST_F(TensorTest, randomTensorCreation) {
 
 TEMPLATE_WITH_TYPE_T
 void parseTensorFromFile() {
-    size_t n_runs = 20;
+    size_t n_runs = 10;
     for (size_t i = 0; i < n_runs; i++) {
-        size_t nR = 20, nC = 40, nM = 60;
+        size_t nR = 20, nC = 40, nM = 6;
         auto r = DTensor<T>::createRandomTensor(nR, nC, nM, -1, 1);
         std::string fName = "myTest.dtensor";
         r.saveToFile(fName);
@@ -143,6 +143,19 @@ TEST_F(TensorTest, parseTensorFromFile) {
     parseTensorFromFile<double>();
 }
 
+TEST_F(TensorTest, parseTensorUnsupportedDataType) {
+    size_t nR = 20, nC = 40, nM = 60;
+    auto r = DTensor<double>::createRandomTensor(nR, nC, nM, -1, 1);
+    std::string fName = "myTest.dtensor";
+    r.saveToFile(fName);
+    try {
+        auto a = DTensor<char>::parseFromTextFile(fName);
+    } catch (const std::invalid_argument& _e) {
+        return;
+    }
+    FAIL();
+}
+
 /* ---------------------------------------
  * Move constructor
  * --------------------------------------- */