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-rw-r--r--test/utils.cpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/test/utils.cpp b/test/utils.cpp
index 08f29389..7e24c71e 100644
--- a/test/utils.cpp
+++ b/test/utils.cpp
@@ -12,6 +12,7 @@
#include <vector>
#include <libcamera/geometry.h>
+#include <libcamera/span.h>
#include "libcamera/internal/utils.h"
@@ -73,6 +74,60 @@ protected:
return TestPass;
}
+ int testEnumerate()
+ {
+ std::vector<int> integers{ 1, 2, 3, 4, 5 };
+ int i = 0;
+
+ for (auto [index, value] : utils::enumerate(integers)) {
+ if (index != i || value != i + 1) {
+ cerr << "utils::enumerate(<vector>) test failed: i=" << i
+ << ", index=" << index << ", value=" << value
+ << std::endl;
+ return TestFail;
+ }
+
+ /* Verify that we can modify the value. */
+ --value;
+ ++i;
+ }
+
+ if (integers != std::vector<int>{ 0, 1, 2, 3, 4 }) {
+ cerr << "Failed to modify container in enumerated range loop" << endl;
+ return TestFail;
+ }
+
+ Span<const int> span{ integers };
+ i = 0;
+
+ for (auto [index, value] : utils::enumerate(span)) {
+ if (index != i || value != i) {
+ cerr << "utils::enumerate(<span>) test failed: i=" << i
+ << ", index=" << index << ", value=" << value
+ << std::endl;
+ return TestFail;
+ }
+
+ ++i;
+ }
+
+ const int array[] = { 0, 2, 4, 6, 8 };
+ i = 0;
+
+ for (auto [index, value] : utils::enumerate(array)) {
+ if (index != i || value != i * 2) {
+ cerr << "utils::enumerate(<array>) test failed: i=" << i
+ << ", index=" << index << ", value=" << value
+ << std::endl;
+ return TestFail;
+ }
+
+ ++i;
+ }
+
+ return TestPass;
+ }
+
int run()
{
/* utils::hex() test. */
@@ -177,6 +232,10 @@ protected:
return TestFail;
}
+ /* utils::enumerate() test. */
+ if (testEnumerate() != TestPass)
+ return TestFail;
+
return TestPass;
}
};