feat: add tdd

write-location-file/main.c

@@ -4,6 +4,8 @@
 #include <errno.h>
 #include <string.h>
 
+#include "write-location-file.h"
+
 int main()
 {
   FILE *fp;
@@ -36,6 +38,8 @@ int main()
   fprintf(fp, "%8s,%8s\n", lat, lon);
   fclose(fp);
 
+  write_location_file();
+
   printf("\nDone!\n");
   return 0;
 }

write-location-file/makefile

@@ -1,9 +1,12 @@
 #put the most commonly desired target first (default)
-all: main.o
-	gcc main.o -o write
-main.o: main.c
+all: main.o write-location-file.o
+	gcc main.o write-location-file.o -o write
+main.o: main.c write-location-file.h
 	gcc -I . -c main.c
+write-location-file.o: write-location-file.c write-location-file.h
+	gcc -I . -c write-location-file.c
 clean:
 	rm -rf *.o
 	rm -rf write
 	rm -rf *.csv
+	rm -rf a.out

write-location-file/readme.md

@@ -0,0 +1,7 @@
+# tdd
+
+* test write-location-file
+
+```
+gcc -Wall write-location-file-test.c write-location-file.c && ./a.out
+```

write-location-file/write-location-file-test.c

@@ -0,0 +1,18 @@
+/*write-location-file-test.c*/
+
+#include "write-location-file.h"
+
+/*use printf*/
+//#include <stdio.h>
+
+#include <assert.h>
+#include <stdbool.h>
+
+static void test(){
+  //printf("write_location_file() return %d:\n",write_location_file());
+  assert(write_location_file()==0 && "test()");
+}
+
+int main(){
+  test();
+}

write-location-file/write-location-file.c

@@ -0,0 +1,33 @@
+/*write-location-file.c*/
+
+#include "write-location-file.h"
+
+#include<stdio.h>
+
+/*use macro extern int errno*/
+#include <errno.h>
+#include <string.h>
+
+int write_location_file(){
+  FILE *fp;
+
+
+  printf("\nwrite-location-file() Start...\n");
+
+  fp = fopen("location-file.csv", "w");
+  if (fp==NULL)
+  {
+    /*failed to open file and associate stream*/
+    fprintf(stderr, "Value of errno: %d\n", errno);
+    fprintf(stderr, "Error opening file: %s\n", strerror(errno));
+  }
+
+  /*latitude e.g. 52.26594*/
+  /*longitude e.g. 10.52673*/
+  fprintf(fp, "52.26594,10.52673\n");
+  fclose(fp);
+
+  printf("\nwrite-location-file() Done!\n");
+  return 0;
+}
+

write-location-file/write-location-file.h

@@ -0,0 +1,3 @@
+/*write-location-file.h*/
+
+int write_location_file();