COMPMID-2768: Add support for QASYMM8_SIGNED in CLElementWiseOperations

Signed-off-by: Kurtis Charnock <kurtis.charnock@arm.com>
Change-Id: I94318cecc6761794be0171a00d729cc8c460cb7b
Reviewed-on: https://review.mlplatform.org/c/2426
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/ElementwiseMin.cpp b/tests/validation/CL/ElementwiseMin.cpp
index 01d1896..3d6bde1 100644
--- a/tests/validation/CL/ElementwiseMin.cpp
+++ b/tests/validation/CL/ElementwiseMin.cpp
@@ -53,6 +53,9 @@
 const auto ElementwiseMinQASYMM8Dataset = combine(combine(framework::dataset::make("DataType", DataType::QASYMM8), framework::dataset::make("DataType", DataType::QASYMM8)),
                                                   framework::dataset::make("DataType",
                                                                            DataType::QASYMM8));
+const auto ElementwiseMinQASYMM8SignedDataset = combine(combine(framework::dataset::make("DataType", DataType::QASYMM8_SIGNED), framework::dataset::make("DataType", DataType::QASYMM8_SIGNED)),
+                                                  framework::dataset::make("DataType",
+                                                                           DataType::QASYMM8_SIGNED));
 const auto ElementwiseMinQSYMM16Dataset = combine(combine(framework::dataset::make("DataType", DataType::QSYMM16), framework::dataset::make("DataType", DataType::QSYMM16)),
                                                   framework::dataset::make("DataType",
                                                                            DataType::QSYMM16));
@@ -201,6 +204,40 @@
     validate(CLAccessor(_target), _reference, tolerance_fp32, 0.01);
 }
 TEST_SUITE_END()
+TEST_SUITE(QASYMM8_SIGNED)
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, datasets::SmallShapes(),
+               shape)
+{
+    // Create tensors
+    CLTensor ref_src1 = create_tensor<CLTensor>(shape, DataType::QASYMM8_SIGNED);
+    CLTensor ref_src2 = create_tensor<CLTensor>(shape, DataType::QASYMM8_SIGNED);
+    CLTensor dst      = create_tensor<CLTensor>(shape, DataType::QASYMM8_SIGNED);
+
+    // Create and Configure function
+    CLElementwiseMin min;
+    min.configure(&ref_src1, &ref_src2, &dst);
+
+    // Validate valid region
+    const ValidRegion valid_region = shape_to_valid_region(shape);
+    validate(dst.info()->valid_region(), valid_region);
+
+    // Validate padding
+    const PaddingSize padding = PaddingCalculator(shape.x(), num_elems_processed_per_iteration).required_padding();
+    validate(ref_src1.info()->padding(), padding);
+    validate(ref_src2.info()->padding(), padding);
+    validate(dst.info()->padding(), padding);
+}
+
+FIXTURE_DATA_TEST_CASE(RunSmall, CLElementwiseMinQuantizedFixture<int8_t>, framework::DatasetMode::PRECOMMIT, combine(combine(combine(combine(datasets::SmallShapes(),
+                                                                                                                       ElementwiseMinQASYMM8SignedDataset),
+                                                                                                                       framework::dataset::make("Src0QInfo", { QuantizationInfo(5.f / 255.f, 20) })),
+                                                                                                                       framework::dataset::make("Src1QInfo", { QuantizationInfo(2.f / 255.f, 10) })),
+                                                                                                                       framework::dataset::make("OutQInfo", { QuantizationInfo(1.f / 255.f, 5) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference);
+}
+TEST_SUITE_END()
 TEST_SUITE(QSYMM16)
 DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, datasets::SmallShapes(),
                shape)