1 files changed, 27 insertions, 0 deletions
diff --git a/tests/test_str_isrelational.c b/tests/test_str_isrelational.c
new file mode 100644
index 0000000..92c4803
--- /dev/null
+++ b/tests/test_str_isrelational.c
@@ -0,0 +1,27 @@
+#include "spm.h"
+#include "framework.h"
+
+const char *testFmt = "case: '%c': returned %d, expected %d\n";
+struct TestCase testCase[] = {
+        {.caseValue.character = '~', .truthValue.signed_integer = 1},
+        {.caseValue.character = '!', .truthValue.signed_integer = 1},
+        {.caseValue.character = '=', .truthValue.signed_integer = 1},
+        {.caseValue.character = '<', .truthValue.signed_integer = 1},
+        {.caseValue.character = '>', .truthValue.signed_integer = 1},
+        {.caseValue.character = 'u', .truthValue.signed_integer = 0},
+        {.caseValue.character = 'd', .truthValue.signed_integer = 0},
+        {.caseValue.character = 'l', .truthValue.signed_integer = 0},
+        {.caseValue.character = 'r', .truthValue.signed_integer = 0},
+        {.caseValue.character = 'b', .truthValue.signed_integer = 0},
+        {.caseValue.character = 'a', .truthValue.signed_integer = 0},
+        {.caseValue.character = '\n', .truthValue.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++) {
+        int result = isrelational(testCase[i].caseValue.character);
+        myassert(result == testCase[i].truthValue.signed_integer, testFmt, testCase[i].caseValue.character, result, testCase[i].truthValue.signed_integer);
+    }
+    return 0;
+}
+\ No newline at end of file