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🛠 Supported Conversions & Test Logic

PRINTF-GOD organizes its tests into three logical categories to facilitate debugging and incremental development.

🟢 Part 1: Mandatory (Over 1,200 Tests)

Tests the basic conversions as required by the 42 subject. By default, the tester runs only this part.

Conversion Tests Description
%c 76 Single character.
%s 241 String (including NULL strings and empty strings).
%p 17 Pointer address (System-compliant format).
%d / %i 401 Signed decimal integers (including INT_MIN/MAX).
%u 32 Unsigned decimal integers.
%x 13 Hexadecimal (lowercase).
%X 13 Hexadecimal (uppercase).
%% 35 Percent sign literal (enhanced coverage).

🟡 Part 2: Bonus (Over 1,100 Tests)

Exhaustive testing of flag management, field widths, and precisions. Enabled with -complete or -bonus.

Conversion Tests Features Tested
%c 89 Width and alignment flags (-).
%s 104 Precision truncation, width, and alignment.
%p 29 Formatting edge cases.
%d / %i 374 Zero-padding (0), alignment (-), signs (+, ), precision, and combinations.
%u 168 Precision, width, and alignment.
%x / %X 374 Hash flag (#), zero-padding, width, precision, and alignment.
%% 29 Width, alignment, and zero-padding for percent literal.

Bonus Features Validated:

  • Flags: -, 0, ., #, +, (space).
  • Field Width: Minimum field width handling, including extremely large values and variable width (*).
  • Precision: Precision handling for strings and integers.
  • Combinations: Complex and conflicting flag combinations (e.g., % -+05d).

🔵 Part 3: Stress / Mix (32 Tests)

Tests the overall robustness of the buffer and parsing logic. Enabled with -doom or -stress.

Test Type Details
Mixed Cases Up to 10 conversions in a single ft_printf call.
Long Data Strings > 600 chars and extremely large field widths (> 1000).
Return Values Strict validation of the total character count returned.

🔬 Test Methodology

Every single test follows this internal flow:

  1. Makefile Validation: Checks for all, clean, fclean, and re rules (fixed validation logic).
  2. Execution: Executes system printf vs your ft_printf.
  3. Comparison: Comparison using diff and return value verification.
  4. Memory Leaks: Automatic leak detection (unless -fast is used).

Execution Flags

  • ./grademe.sh: Runs Mandatory tests only (New Default).
  • ./grademe.sh -complete: Runs Mandatory + Bonus.
  • ./grademe.sh -doom: Runs Everything (Part 1, 2, and 3).