kevingurney commented on code in PR #37613:
URL: https://github.com/apache/arrow/pull/37613#discussion_r1318891487
##########
matlab/test/arrow/array/tChunkedArray.m:
##########
@@ -240,6 +255,214 @@ function NumericIndexEmptyChunkedArrayError(testCase)
fcn = @() chunkedArray.chunk(2);
testCase.verifyError(fcn,
"arrow:chunkedarray:NumericIndexWithEmptyChunkedArray");
end
+
+ function ToMATLABBooleanType(testCase)
+ % Verify toMATLAB returns the expected MATLAB array when the
+ % Chunked Array contains boolean arrays.
+ import arrow.array.ChunkedArray
+
+ bools = true([1 11]);
+ bools([2 3 7 8 9]) = false;
+ a1 = arrow.array(bools(1:8));
+ a2 = arrow.array(bools(8:7));
+ a3 = arrow.array(bools(9:11));
+
+ % ChunkedArray with three chunks and nonzero length
+ chunkedArray1 = ChunkedArray.fromArrays(a1, a2, a3);
+ actualArray1 = toMATLAB(chunkedArray1);
+ expectedArray1 = bools';
+ testCase.verifyEqual(actualArray1, expectedArray1);
+
+ % ChunkedArray with zero chunks and zero length
+ chunkedArray2 = ChunkedArray.fromArrays(Type=a1.Type);
+ actualArray2 = toMATLAB(chunkedArray2);
+ expectedArray2 = logical.empty(0, 1);
+ testCase.verifyEqual(actualArray2, expectedArray2);
+
+ % ChunkedArray with two chunks and zero length
+ chunkedArray3 = ChunkedArray.fromArrays(a2, a2);
+ actualArray3 = toMATLAB(chunkedArray3);
+ expectedArray3 = logical.empty(0, 1);
+ testCase.verifyEqual(actualArray3, expectedArray3);
+ end
+
+ function ToMATLABIntegerTypes(testCase, IntegerMatlabClass)
+ % Verify toMATLAB returns the expected MATLAB array when the
+ % Chunked Array contains integer arrays.
+ import arrow.array.ChunkedArray
+
+ a1 = arrow.array(cast([1 2 3 4], IntegerMatlabClass));
+ a2 = arrow.array(cast([], IntegerMatlabClass));
+ a3 = arrow.array(cast([5 6 7 8 9], IntegerMatlabClass));
+
+ % ChunkedArray with three chunks and nonzero length
+ chunkedArray1 = ChunkedArray.fromArrays(a1, a2, a3);
+ actualArray1 = toMATLAB(chunkedArray1);
+ expectedArray1 = cast((1:9)', IntegerMatlabClass);
+ testCase.verifyEqual(actualArray1, expectedArray1);
+
+ % ChunkedArray with zero chunks and zero length
+ chunkedArray2 = ChunkedArray.fromArrays(Type=a1.Type);
+ actualArray2 = toMATLAB(chunkedArray2);
+ expectedArray2 = cast(double.empty(0, 1), IntegerMatlabClass);
+ testCase.verifyEqual(actualArray2, expectedArray2);
+
+ % ChunkedArray with two chunks and zero length
+ chunkedArray3 = ChunkedArray.fromArrays(a2, a2);
+ actualArray3 = toMATLAB(chunkedArray3);
+ expectedArray3 = cast(double.empty(0, 1), IntegerMatlabClass);
+ testCase.verifyEqual(actualArray3, expectedArray3);
+ end
+
+ function ToMATLABFloatTypes(testCase, FloatMatlabClass)
+ % Verify toMATLAB returns the expected MATLAB array when the
Review Comment:
The indentation is off slightly here.
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