Add error handler

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/test_error_handler_spm_strerror.c b/tests/test_error_handler_spm_strerror.c
new file mode 100644
index 0000000..f373a59
--- /dev/null
+++ b/tests/test_error_handler_spm_strerror.c
@@ -0,0 +1,27 @@
+#include "spm.h"
+#include "framework.h"
+
+const char *testFmt = "translated error code '%d': returned '%s', expected '%s'\n";
+struct TestCase testCase[] = {
+        {.caseValue.signed_integer = 0, .truthValue.sptr = "Success", .arg[0].signed_integer = 0},
+        {.caseValue.signed_integer = SPM_ERR_ROOT_NO_RECORD, .truthValue.sptr = "No root record", .arg[0].signed_integer = 0},
+        {.caseValue.signed_integer = SPM_ERR_ROOT_UNSAFE, .truthValue.sptr = "Dangerous root path", .arg[0].signed_integer = 0},
+        {.caseValue.signed_integer = ENOENT, .truthValue.sptr = "No such file or directory", .arg[0].signed_integer = ENOENT},
+        {.caseValue.signed_integer = EPIPE, .truthValue.sptr = "Broken pipe", .arg[0].signed_integer = EPIPE},
+        {.caseValue.signed_integer = -1, .truthValue.sptr = "Unknown error -1", .arg[0].signed_integer = 0},
+};
+size_t numCases = sizeof(testCase) / sizeof(struct TestCase);
+
+int main(int argc, char *argv[]) {
+    for (size_t i = 0; i < numCases; i++) {
+        // Mock global errno value to the value stored in the test case
+        errno = testCase[i].arg[0].signed_integer;
+
+        // Get SPM error (or system error)
+        char *estr = spm_strerror(testCase[i].caseValue.signed_integer);
+
+        // Assert error string matches error produced
+        myassert(strcmp(estr, testCase[i].truthValue.sptr) == 0, testFmt, testCase[i].caseValue.signed_integer, estr, testCase[i].truthValue.sptr);
+    }
+    return 0;
+}
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