update test.c for 6-1 and 6-2

1. `compilant` and `non_compliant` to uppercase
2. mark `int x1` of 6-2 to non_compliant
3. `clang-format` all

Author: jeongsoolee09

c/misra/test/rules/RULE-6-1/test.c

@@ -3,11 +3,13 @@ typedef unsigned int UINT16;
 enum Color { R, G, B };
 
 struct SampleStruct {
-  int x1 : 2; // NON_COMPLIANT - not explicitly signed or unsigned
-  unsigned int x2 : 2; // COMPILANT - explicitly unsigned (example in the doc)
+  int x1 : 2;          // NON_COMPLIANT - not explicitly signed or unsigned
+  unsigned int x2 : 2; // COMPILANT - explicitly unsigned
   signed int x3 : 2;   // COMPILANT - explicitly signed
-  UINT16 x4 : 2; // COMPLIANT - type alias resolves to a compliant type
-  signed long x5 : 2; // NON_COMPLIANT - cannot declare bit field for long, even if it's signed
-  signed char x6 : 2; // NON_COMPILANT - cannot declare bit field for char, even if it's signed
+  UINT16 x4 : 2;       // COMPLIANT - type alias resolves to a compliant type
+  signed long x5 : 2; // NON_COMPLIANT - cannot declare bit field for long, even
+                      // if it's signed
+  signed char x6 : 2; // NON_COMPILANT - cannot declare bit field for char, even
+                      // if it's signed
   enum Color x7 : 3;  // NON_COMPILANT - cannot declare bit field for enum
-} sample_struct;
+} sample_struct;

c/misra/test/rules/RULE-6-2/test.c

@@ -1,17 +1,19 @@
 #include <stdint.h>
 
 struct SampleStruct {
-  int x1 : 1; // compilant: single-bit named field without signed declaration
-  signed int x2 : 1; // non_compilant: single-bit named field with a signed type
+  int x1 : 1; // NON_COMPILANT: very likely be signed, but if it's not, the
+              // query will automatically handle it since we use signed(), not
+              // isExplicitlySigned().
+  signed int x2 : 1; // NON_COMPILANT: single-bit named field with a signed type
   signed char
-      x3 : 1; // non_compilant: single-bit named field with a signed type
+      x3 : 1; // NON_COMPILANT: single-bit named field with a signed type
   signed short
-      x4 : 1; // non_compilant: single-bit named field with a signed type
+      x4 : 1; // NON_COMPILANT: single-bit named field with a signed type
   unsigned int
-      x5 : 1; // compilant: single-bit named field but with an unsigned type
-  signed int x6 : 2; // compilant: named field with a signed type but declared
+      x5 : 1; // COMPILANT: single-bit named field but with an unsigned type
+  signed int x6 : 2; // COMPILANT: named field with a signed type but declared
                      // to carry more than 1 bit
-  int32_t x7 : 1;  // non_compilant: single-bit named field that has single-bit
+  int32_t x7 : 1;  // NON_COMPILANT: single-bit named field that has single-bit
                    // bit-field, even though technically it has 32 bits
-  signed char : 1; // compilant: single-bit bit-field but unnamed
-} sample_struct;
+  signed char : 1; // COMPILANT: single-bit bit-field but unnamed
+} sample_struct;