test coverage

2024-12-08 11:40:47 +08:00 · 2024-12-08 11:40:47 +08:00 · 3b95608233
commit 3b95608233
parent 54db58d362
23 changed files with 199 additions and 50 deletions
--- a/test/escape.c
+++ b/test/escape.c
@ -0,0 +1,32 @@
+int getchar();
+int putchar(int ch);
+int printf(char* format, ...); 
+
+int main() {
+    int ch;
+    while ((ch = getchar()) != -1) {
+        if (ch == '\\') {
+            ch = getchar();
+            if (ch == 'n') {
+                ch = '\n';
+            } else if (ch == 't') {
+                ch = '\t';
+            } else if (ch == 'r') {
+                ch = '\r';
+            } else if (ch == '0') {
+                ch = '\0';
+            } else if (ch == '\\') {
+                ch = '\\';
+            } else if (ch == '\'') {
+                ch = '\'';
+            } else if (ch == '\"') {
+                ch = '\"';
+            } else {
+                printf("unexpected escaped character: '\\%c'\n", ch);
+                return 1;
+            }
+        }
+        putchar(ch);
+    }
+    return 0;
+}