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diff --git a/compute_kernel_writer/validation/tests/CLKernelWriterCastTest.h b/compute_kernel_writer/validation/tests/CLKernelWriterCastTest.h
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+++ b/compute_kernel_writer/validation/tests/CLKernelWriterCastTest.h
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+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef CKW_VALIDATION_TESTS_CLKERNELWRITERCASTTEST_H
+#define CKW_VALIDATION_TESTS_CLKERNELWRITERCASTTEST_H
+
+#include "ckw/TileInfo.h"
+#include "ckw/types/ConvertPolicy.h"
+#include "ckw/types/DataType.h"
+#include "src/cl/CLKernelWriter.h"
+#include "validation/tests/common/Common.h"
+#include "validation/tests/common/KernelWriterInterceptor.h"
+
+#include <cstdint>
+#include <vector>
+
+namespace ckw
+{
+
+class CLKernelWriterCastTest : public ITest
+{
+public:
+    CLKernelWriterCastTest()
+    {
+        _tests.push_back({ 1, 1, DataType::Fp16, 1, 1, DataType::Fp32, ConvertPolicy::None, "G0__dst = convert_half(G0__src);\n" }); // Scalar.
+
+        _tests.push_back({ 1, 3, DataType::Int32, 1, 3, DataType::Fp16, ConvertPolicy::Saturate, "G0__dst = convert_int3_sat(G0__src);\n" }); // Whole vector.
+
+        _tests.push_back({ 2, 4, DataType::Uint16, 2, 4, DataType::Int8, ConvertPolicy::Saturate, "G0__dst__0 = convert_ushort4_sat(G0__src__0);\nG0__dst__1 = convert_ushort4_sat(G0__src__1);\n" }); // Whole tile.
+
+        _tests.push_back({ 2, 3, DataType::Int8, 1, 3, DataType::Uint8, ConvertPolicy::None, "G0__dst__0 = convert_char3(G0__src);\nG0__dst__1 = convert_char3(G0__src);\n" }); // Y-dimension broadcast.
+
+        _tests.push_back({ 2, 4, DataType::Fp16, 2, 1, DataType::Fp32, ConvertPolicy::None, "G0__dst__0 = (half4)convert_half(G0__src__0);\nG0__dst__1 = (half4)convert_half(G0__src__1);\n" }); // X-dimension broadcast.
+
+        _tests.push_back({ 2, 3, DataType::Fp32, 1, 1, DataType::Fp16, ConvertPolicy::None, "G0__dst__0 = (float3)convert_float(G0__src);\nG0__dst__1 = (float3)convert_float(G0__src);\n" }); // X and y dimension broadcast.
+    }
+
+    bool run() override
+    {
+        int32_t test_no          = 0;
+        bool    all_tests_passed = true;
+
+        for(const auto &test : _tests)
+        {
+            KernelWriterInterceptor<CLKernelWriter> writer;
+
+            auto dst = writer.declare_tile("dst", TileInfo(test.dst_data_type, test.dst_height, test.dst_width));
+            auto src = writer.declare_tile("src", TileInfo(test.src_data_type, test.src_height, test.src_width));
+
+            writer.start_capture_code();
+
+            writer.op_cast(dst, src, test.policy);
+
+            VALIDATE_TEST(writer.check_added_code(test.expected_code), all_tests_passed, test_no++);
+        }
+
+        return all_tests_passed;
+    }
+
+    std::string name() override
+    {
+        return "CLKernelWriterCastTest";
+    }
+
+private:
+    struct TestInfo
+    {
+        int32_t       dst_height;
+        int32_t       dst_width;
+        DataType      dst_data_type;
+        int32_t       src_height;
+        int32_t       src_width;
+        DataType      src_data_type;
+        ConvertPolicy policy;
+        std::string   expected_code;
+    };
+
+    std::vector<TestInfo> _tests{};
+};
+
+} // namespace ckw
+
+#endif // CKW_VALIDATION_TESTS_CLKERNELWRITERCASTTEST_H