Files
gw-basic-2026/tests/run_tests.sh
Eremey Valetov 70ffd39562 v0.17.0: BIOS-routed TUI on DOS, version banner, compiler PulseAudio link
QA findings from a multi-round review of the FreeDOS submission prep work:

- TUI rendering refactor: src/tui.c emitted ANSI escape sequences via
  printf, which displays as raw text on bare FreeDOS (no ANSI.SYS).
  Add four HAL ops (tui_enter, tui_leave, render_run, set_cursor_shape)
  and route per-cell rendering through them.  POSIX backend keeps the
  ANSI path; DOS backend drives BIOS INT 10h via the existing
  bios_set_cursor / bios_write_char helpers.  The TUI's logical cursor
  goes through the saved orig_locate to avoid recursing through the
  swapped-in gw_hal->locate.

- DOS extended-key mapping: dos_getch returns 0x100 | scancode for
  arrows / F-keys; tui_read_key wasn't translating those to its TK_*
  constants, so the editor never saw arrow keys or F1-F10 on DOS.
  Add a __MSDOS__-conditional translation table in tui_read_key.

- Version banner: GW_VERSION was still 0.16.0 even though the v0.17.0
  release prep was already in CHANGES.TXT.  Bump.

- Compiler PulseAudio link: gwbasic-compile -c hardcoded
  '-lgwrt -lm -lpthread' on the gcc command line.  When libgwrt was
  built against libpulse-simple (the default on any host with the
  PulseAudio dev headers installed), the compile workflow failed with
  'undefined reference to pa_simple_drain'.  CMake now passes
  GWRT_HAS_PULSEAUDIO to gwbasic-compile when libpulse is present, and
  the compiler appends -lpulse-simple to the link line.

- FRE("") garbage collection: the interpreter skipped strpool_gc with a
  comment 'unsafe during expression eval', but that's exactly what real
  GW-BASIC's FRE("") does (and the AOT compiler path already did).  Add
  the GC call; strpool_pin/unpin is the existing escape hatch if a
  caller has live pool pointers on the C stack.  Fixes the string_gc
  compat test.

- Test harness normalization: run_tests.sh stripped trailing whitespace
  on the actual output but not the expected file, causing spurious
  mismatches against golden files captured from real GWBASIC.EXE.
  Normalize both sides identically.  Fixes the peek_gfx mismatch.

- Print_using: snprintf into mantissa[32] with %.*f and an unbounded
  dec triggered a -Wformat-truncation warning.  Clamp dec to 20 (IEEE
  double has at most ~17 significant decimal digits).

- Doc/version consistency: 16-bit binary size reported as 127KB in one
  place and 128KB in three; standardize on 128KB.  HAL backend count
  said '1 file' but is now 2.  CI test count said 'all 66 test
  programs' but is 72.  Add a v0.17.0 row to the development.md table.
  Update getting-started.md DOS section to match the BIOS-rendering
  reality and add a manual TUI verification checklist.

- dos_init now writes back BIOS-reported cols/rows to dos_hal struct
  fields (forward-declared so dos_init can reference it).

After these changes: 72/72 interpreter tests pass, compat 68/68
matched, no warnings on the Linux build.
2026-05-03 12:25:41 -04:00

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#!/bin/bash
# Run all .bas test programs and report results.
# If .expected files exist, also compare output against them.
set -u
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
GWBASIC="${PROJECT_DIR}/build/gwbasic"
EXPECTED_DIR="${SCRIPT_DIR}/expected"
if [ ! -x "$GWBASIC" ]; then
echo "ERROR: gwbasic not found at $GWBASIC (run cmake/make first)"
exit 1
fi
pass=0
fail=0
compat_pass=0
compat_fail=0
for bas in "$SCRIPT_DIR"/programs/*.bas; do
name="$(basename "$bas")"
stem="${name%.bas}"
# chain/common targets are not standalone
[ "$name" = "chain_target.bas" ] && continue
[ "$name" = "common_target.bas" ] && continue
actual=$(mktemp)
if timeout 5 "$GWBASIC" "$bas" > "$actual" 2>&1; then
printf " PASS %s" "$name"
pass=$((pass + 1))
# Compare against .expected if available. Normalize both sides
# the same way (CR removal, trailing whitespace strip, blank-line drop)
# so trailing spaces in golden captures from real GWBASIC.EXE don't
# cause spurious mismatches.
expected="$EXPECTED_DIR/${stem}.expected"
if [ -f "$expected" ]; then
normalized=$(mktemp)
normalized_expected=$(mktemp)
sed 's/\r//g; s/[[:space:]]*$//' "$actual" | sed '/^$/d' > "$normalized"
sed 's/\r//g; s/[[:space:]]*$//' "$expected" | sed '/^$/d' > "$normalized_expected"
if diff -q "$normalized_expected" "$normalized" >/dev/null 2>&1; then
printf " [compat: ok]"
compat_pass=$((compat_pass + 1))
else
printf " [compat: MISMATCH]"
compat_fail=$((compat_fail + 1))
fi
rm -f "$normalized" "$normalized_expected"
fi
printf "\n"
else
printf " FAIL %s\n" "$name"
fail=$((fail + 1))
fi
rm -f "$actual"
done
echo ""
echo "$((pass + fail)) tests: $pass passed, $fail failed"
if [ "$((compat_pass + compat_fail))" -gt 0 ]; then
echo "Compat: $compat_pass matched, $compat_fail mismatched"
fi
[ "$fail" -eq 0 ] || exit 1