test: controls: control_value: Expand test to cover array controls

Add tests to ControlValueTest to cover array controls of all supported
types.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

test/controls/control_value.cpp

@@ -5,6 +5,7 @@
  * control_value.cpp - ControlValue tests
  */
 
+#include <algorithm>
 #include <iostream>
 
 #include <libcamera/controls.h>
@@ -48,6 +49,26 @@ protected:
 			return TestFail;
 		}
 
+		std::array<bool, 2> bools{ true, false };
+		value.set(Span<bool>(bools));
+		if (value.isNone() || !value.isArray() ||
+		    value.type() != ControlTypeBool) {
+			cerr << "Control type mismatch after setting to bool array" << endl;
+			return TestFail;
+		}
+
+		Span<const bool> boolsResult = value.get<Span<const bool>>();
+		if (bools.size() != boolsResult.size() ||
+		    !std::equal(bools.begin(), bools.end(), boolsResult.begin())) {
+			cerr << "Control value mismatch after setting to bool" << endl;
+			return TestFail;
+		}
+
+		if (value.toString() != "[ true, false ]") {
+			cerr << "Control string mismatch after setting to bool array" << endl;
+			return TestFail;
+		}
+
 		/*
 		 * Integer8 type.
 		 */
@@ -68,6 +89,26 @@ protected:
 			return TestFail;
 		}
 
+		std::array<uint8_t, 4> bytes{ 3, 14, 15, 9 };
+		value.set(Span<uint8_t>(bytes));
+		if (value.isNone() || !value.isArray() ||
+		    value.type() != ControlTypeByte) {
+			cerr << "Control type mismatch after setting to uint8_t array" << endl;
+			return TestFail;
+		}
+
+		Span<const uint8_t> int8sResult = value.get<Span<const uint8_t>>();
+		if (bytes.size() != int8sResult.size() ||
+		    !std::equal(bytes.begin(), bytes.end(), int8sResult.begin())) {
+			cerr << "Control value mismatch after setting to uint8_t array" << endl;
+			return TestFail;
+		}
+
+		if (value.toString() != "[ 3, 14, 15, 9 ]") {
+			cerr << "Control string mismatch after setting to uint8_t array" << endl;
+			return TestFail;
+		}
+
 		/*
 		 * Integer32 type.
 		 */
@@ -88,6 +129,26 @@ protected:
 			return TestFail;
 		}
 
+		std::array<int32_t, 4> int32s{ 3, 14, 15, 9 };
+		value.set(Span<int32_t>(int32s));
+		if (value.isNone() || !value.isArray() ||
+		    value.type() != ControlTypeInteger32) {
+			cerr << "Control type mismatch after setting to int32_t array" << endl;
+			return TestFail;
+		}
+
+		Span<const int32_t> int32sResult = value.get<Span<const int32_t>>();
+		if (int32s.size() != int32sResult.size() ||
+		    !std::equal(int32s.begin(), int32s.end(), int32sResult.begin())) {
+			cerr << "Control value mismatch after setting to int32_t array" << endl;
+			return TestFail;
+		}
+
+		if (value.toString() != "[ 3, 14, 15, 9 ]") {
+			cerr << "Control string mismatch after setting to int32_t array" << endl;
+			return TestFail;
+		}
+
 		/*
 		 * Integer64 type.
 		 */
@@ -108,6 +169,26 @@ protected:
 			return TestFail;
 		}
 
+		std::array<int64_t, 4> int64s{ 3, 14, 15, 9 };
+		value.set(Span<int64_t>(int64s));
+		if (value.isNone() || !value.isArray() ||
+		    value.type() != ControlTypeInteger64) {
+			cerr << "Control type mismatch after setting to int64_t array" << endl;
+			return TestFail;
+		}
+
+		Span<const int64_t> int64sResult = value.get<Span<const int64_t>>();
+		if (int64s.size() != int64sResult.size() ||
+		    !std::equal(int64s.begin(), int64s.end(), int64sResult.begin())) {
+			cerr << "Control value mismatch after setting to int64_t array" << endl;
+			return TestFail;
+		}
+
+		if (value.toString() != "[ 3, 14, 15, 9 ]") {
+			cerr << "Control string mismatch after setting to int64_t array" << endl;
+			return TestFail;
+		}
+
 		/*
 		 * Float type.
 		 */
@@ -128,6 +209,32 @@ protected:
 			return TestFail;
 		}
 
+		std::array<float, 3> floats{ 3.141593, 2.718282, 299792458.0 };
+		value.set(Span<float>(floats));
+		if (value.isNone() || !value.isArray() ||
+		    value.type() != ControlTypeFloat) {
+			cerr << "Control type mismatch after setting to float array" << endl;
+			return TestFail;
+		}
+
+		Span<const float> floatsResult = value.get<Span<const float>>();
+		if (floats.size() != floatsResult.size() ||
+		    !std::equal(floats.begin(), floats.end(), floatsResult.begin())) {
+			cerr << "Control value mismatch after setting to float array" << endl;
+			return TestFail;
+		}
+
+		/*
+		 * The string representation for the third value doesn't match
+		 * the value in the floats array above, due to limited precision
+		 * of the float type that can't properly represent the speed of
+		 * light.
+		 */
+		if (value.toString() != "[ 3.141593, 2.718282, 299792448.000000 ]") {
+			cerr << "Control string mismatch after setting to float array" << endl;
+			return TestFail;
+		}
+
 		return TestPass;
 	}
 };