1 files changed, 114 insertions, 0 deletions
diff --git a/subprojects/exess/test/test_boolean.c b/subprojects/exess/test/test_boolean.c
new file mode 100644
index 00000000..65eb9b24
--- /dev/null
+++ b/subprojects/exess/test/test_boolean.c
@@ -0,0 +1,114 @@
+/*
+  Copyright 2011-2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "exess/exess.h"
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+
+static void
+check_read(const char* const string,
+           const ExessStatus expected_status,
+           const bool        expected_value,
+           const size_t      expected_count)
+{
+  bool value = false;
+
+  const ExessResult r = exess_read_boolean(&value, string);
+  assert(value == expected_value);
+  assert(r.status == expected_status);
+  assert(r.count == expected_count);
+}
+
+static void
+test_read_boolean(void)
+{
+  // No input
+  check_read("", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read(" \f\n\r\t\v", EXESS_EXPECTED_BOOLEAN, false, 6);
+
+  // Canonical form
+  check_read("false", EXESS_SUCCESS, false, 5);
+  check_read("true", EXESS_SUCCESS, true, 4);
+
+  // Non-canonical form
+  check_read("0", EXESS_SUCCESS, false, 1);
+  check_read("1", EXESS_SUCCESS, true, 1);
+  check_read(" \f\n\r\t\vfalse ", EXESS_SUCCESS, false, 11);
+  check_read(" \f\n\r\t\vtrue ", EXESS_SUCCESS, true, 10);
+  check_read(" \f\n\r\t\v0 ", EXESS_SUCCESS, false, 7);
+  check_read(" \f\n\r\t\v1 ", EXESS_SUCCESS, true, 7);
+
+  // Trailing garbage
+  check_read("falsely", EXESS_EXPECTED_END, false, 5);
+  check_read("truely", EXESS_EXPECTED_END, true, 4);
+  check_read("0no", EXESS_EXPECTED_END, false, 1);
+  check_read("1yes", EXESS_EXPECTED_END, true, 1);
+
+  // Garbage
+  check_read("twue", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read("fawse", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read("tr", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read("fa", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read("yes", EXESS_EXPECTED_BOOLEAN, false, 0);
+  check_read("no", EXESS_EXPECTED_BOOLEAN, false, 0);
+}
+
+static void
+check_write(const bool        value,
+            const ExessStatus expected_status,
+            const size_t      buf_size,
+            const char* const expected_string)
+{
+  char buf[EXESS_MAX_BOOLEAN_LENGTH + 1] = {1, 2, 3, 4, 5, 6};
+
+  assert(buf_size <= sizeof(buf));
+
+  const ExessResult r = exess_write_boolean(value, buf_size, buf);
+  assert(!strcmp(buf, expected_string));
+  assert(r.status == expected_status);
+  assert(r.count == strlen(buf));
+  assert(r.status || exess_write_boolean(value, 0, NULL).count == r.count);
+}
+
+static void
+test_write_boolean(void)
+{
+  check_write(true, EXESS_SUCCESS, 5, "true");
+  check_write(false, EXESS_SUCCESS, 6, "false");
+
+  check_write(true, EXESS_NO_SPACE, 4, "");
+  check_write(false, EXESS_NO_SPACE, 5, "");
+
+  // Check that nothing is written when there isn't enough space
+  char              c = 42;
+  const ExessResult r = exess_write_boolean(false, 0, &c);
+  assert(c == 42);
+  assert(r.status == EXESS_NO_SPACE);
+  assert(r.count == 0);
+}
+
+int
+main(void)
+{
+  test_read_boolean();
+  test_write_boolean();
+  return 0;
+}