Version 0.4.00.4.0

1 files changed, 97 insertions, 0 deletions

diff --git a/tests/tst-tool-config-runner.sh b/tests/tst-tool-config-runner.sh
new file mode 100755
index 0000000..790da58
--- /dev/null
+++ b/tests/tst-tool-config-runner.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+set -eu
+
+: "${TOOL_CONFIG_TEST:?}" "${CPU_AS:?}" "${CPU_LD:?}" "${CPU_RUN:?}" "${TEST_SRCDIR:?}"
+
+TMP=${TMPDIR:-/tmp}/libmcpu-tool-config-$$
+mkdir -p "$TMP/home/.mcpu/etc" "$TMP/relative-root/lib"
+trap 'rm -rf "$TMP"' EXIT HUP INT TERM
+
+HOME="$TMP/home"
+export HOME
+
+# Baseline: no config files, executable-derived root remains active.
+"$TOOL_CONFIG_TEST" --no-config > "$TMP/default.txt"
+DEFAULT_LIB=$(sed -n 's/^lib=//p' "$TMP/default.txt")
+test -n "$DEFAULT_LIB"
+
+# The obsolete per-user path must be ignored.
+printf '%s\n' 'MCPU_LD_SYSTEM_LIBRARY_PATH = /obsolete/path;' \
+  > "$HOME/.mcpu/mcpu-ld.conf"
+"$TOOL_CONFIG_TEST" > "$TMP/old-user.txt"
+test "$(sed -n 's/^lib=//p' "$TMP/old-user.txt")" = "$DEFAULT_LIB"
+
+# The new per-user path has highest user-level priority and expands $HOME.
+cat > "$HOME/.mcpu/etc/mcpu-ld.conf" <<'EOC'
+MCPU_LD_SYSTEM_LIBRARY_PATH = $HOME/mcpu-next/lib;
+EOC
+"$TOOL_CONFIG_TEST" > "$TMP/user.txt"
+test "$(sed -n 's/^lib=//p' "$TMP/user.txt")" = "$HOME/mcpu-next/lib"
+
+# An explicit empty value disables the configured system library tree.
+printf '%s\n' 'MCPU_LD_SYSTEM_LIBRARY_PATH = ;' \
+  > "$HOME/.mcpu/etc/mcpu-ld.conf"
+"$TOOL_CONFIG_TEST" > "$TMP/empty.txt"
+test -z "$(sed -n 's/^lib=//p' "$TMP/empty.txt")"
+
+# --no-config ignores even a malformed user configuration and keeps default.
+printf '%s\n' 'MCPU_LD_SYSTEM_LIBRARY_PATH = broken' \
+  > "$HOME/.mcpu/etc/mcpu-ld.conf"
+"$TOOL_CONFIG_TEST" --no-config > "$TMP/no-config.txt"
+test "$(sed -n 's/^lib=//p' "$TMP/no-config.txt")" = "$DEFAULT_LIB"
+if "$TOOL_CONFIG_TEST" > /dev/null 2>&1; then
+  echo "malformed user configuration was unexpectedly accepted" >&2
+  exit 1
+fi
+
+# Absolute --sys-root implies --no-config and uses PATH/lib.
+"$TOOL_CONFIG_TEST" --sys-root="$TMP/absolute-root" > "$TMP/absolute.txt"
+test "$(sed -n 's/^root=//p' "$TMP/absolute.txt")" = "$TMP/absolute-root"
+test "$(sed -n 's/^lib=//p' "$TMP/absolute.txt")" = "$TMP/absolute-root/lib"
+
+# Relative --sys-root is resolved from the invocation working directory.
+(
+  cd "$TMP"
+  "$TOOL_CONFIG_TEST" --sys-root=relative-root > "$TMP/relative.txt"
+)
+test "$(sed -n 's/^root=//p' "$TMP/relative.txt")" = "$TMP/relative-root"
+test "$(sed -n 's/^lib=//p' "$TMP/relative.txt")" = "$TMP/relative-root/lib"
+
+
+# The production linker and runner use the same policy state.
+"$CPU_AS" -o "$TMP/radd.o" "$TEST_SRCDIR/fixtures/radd-pi.s" >/dev/null
+if "$CPU_LD" --stack-size=512 -o "$TMP/radd.melf" "$TMP/radd.o" >/dev/null 2>&1; then
+  echo "mcpu-ld unexpectedly accepted malformed user configuration" >&2
+  exit 1
+fi
+"$CPU_LD" --no-config --stack-size=512 \
+  -o "$TMP/radd.melf" "$TMP/radd.o" >/dev/null
+"$CPU_RUN" --no-config --digits=60 --real-data=4096@16 \
+  "$TMP/radd.melf" > "$TMP/run-no-config.txt"
+case "$(cat "$TMP/run-no-config.txt")" in
+  5.14159265358979323846264338327950288419716939937510582097*) ;;
+  *) echo "unexpected --no-config execution result" >&2; exit 1 ;;
+esac
+
+if "$CPU_RUN" --digits=60 --real-data=4096@16 \
+     "$TMP/radd.melf" >/dev/null 2>&1; then
+  echo "mcpu-run unexpectedly accepted malformed user configuration" >&2
+  exit 1
+fi
+
+"$CPU_LD" --sys-root "$TMP/absolute-root" --stack-size=512 \
+  -o "$TMP/radd-sysroot.melf" "$TMP/radd.o" >/dev/null
+"$CPU_RUN" --sys-root="$TMP/absolute-root" --digits=60 \
+  --real-data=4096@16 "$TMP/radd-sysroot.melf" > "$TMP/run-sysroot.txt"
+case "$(cat "$TMP/run-sysroot.txt")" in
+  5.14159265358979323846264338327950288419716939937510582097*) ;;
+  *) echo "unexpected --sys-root execution result" >&2; exit 1 ;;
+esac
+
+# Both production tools expose the common policy options.
+"$CPU_LD" --help 2>&1 | grep -q -- '--no-config'
+"$CPU_LD" --help 2>&1 | grep -q -- '--sys-root=PATH'
+"$CPU_RUN" --help 2>&1 | grep -q -- '--no-config'
+"$CPU_RUN" --help 2>&1 | grep -q -- '--sys-root=PATH'
+
+exit 0