printf GNU extentions: Add more tests (#12109)

Author: Luhrel

test/compilable/test21177.d

@@ -3,24 +3,74 @@
 DISABLED: win
 TEST_OUTPUT:
 ---
-compilable/test21177.d(19): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(103): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(150): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(151): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(152): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(153): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(200): Deprecation: more format specifiers than 0 arguments
+compilable/test21177.d(203): Deprecation: format specifier `"%m"` is invalid
+compilable/test21177.d(204): Deprecation: format specifier `"%m"` is invalid
+compilable/test21177.d(205): Deprecation: argument `c` for format specification `"%a"` must be `float*`, not `char*`
+compilable/test21177.d(206): Deprecation: argument `c` for format specification `"%a"` must be `float*`, not `char*`
 ---
 */
 
 import core.stdc.stdio;
+import core.stdc.string;
+import core.stdc.stdlib;
 
 void main()
 {
     version (CRuntime_Glibc)
     {
+        #line 100
         printf("%m this is a string in errno");
         printf("%s %m", "str".ptr, 2);
         printf("%a", 2.);
         printf("%m %m %s");
+        printf("%*m");
+        
+        char* a, b;
+        sscanf("salut poilu", "%a %m", a, b);
+        assert(!strcmp(a, b));
+        free(a);
+        free(b);
+
+        char* t, p;
+        sscanf("Tomate Patate", "%ms %as", t, p);
+        free(t);
+        free(p);
+
+        #line 150
+        sscanf("150", "%m");
+        sscanf("151", "%ms");
+        sscanf("152", "%a");
+        sscanf("153", "%as");
+
+        pragma(msg, "compilable/test21177.d(200): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(203): Deprecation: format specifier `\"%m\"` is invalid");
+        pragma(msg, "compilable/test21177.d(204): Deprecation: format specifier `\"%m\"` is invalid");
+        pragma(msg, "compilable/test21177.d(205): Deprecation: argument `c` for format specification `\"%a\"` must be `float*`, not `char*`");
+        pragma(msg, "compilable/test21177.d(206): Deprecation: argument `c` for format specification `\"%a\"` must be `float*`, not `char*`");
     }
     else
     {
         // fake it
-        pragma(msg, "compilable/test21177.d(19): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(103): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(150): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(151): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(152): Deprecation: more format specifiers than 0 arguments");
+        pragma(msg, "compilable/test21177.d(153): Deprecation: more format specifiers than 0 arguments");
+
+        #line 200
+        printf("%m");
+
+        char* c;
+        sscanf("204", "%m", c);
+        sscanf("205", "%ms", c);
+        sscanf("206", "%a", c);
+        sscanf("207", "%as", c);
+        
     }
 }