From f8003f67b58a4813c925e6a533f4a917bbd80d69 Mon Sep 17 00:00:00 2001
From: Nick Chambers <uplime@spookyinternet.com>
Date: Thu, 7 Jul 2022 18:45:17 -0500
Subject: [PATCH] Test invalid integer values

---
 include/gargoyle/test/gargoyle.h |   9 +++
 test/gargoyle.c                  | 115 +++++++++++++++++++++++++++++++
 2 files changed, 124 insertions(+)
 create mode 100644 include/gargoyle/test/gargoyle.h
 create mode 100644 test/gargoyle.c

diff --git a/include/gargoyle/test/gargoyle.h b/include/gargoyle/test/gargoyle.h
new file mode 100644
index 0000000..1eb533c
--- /dev/null
+++ b/include/gargoyle/test/gargoyle.h
@@ -0,0 +1,9 @@
+#ifndef __GARGOYLE_TEST_GARGOYLE_H_
+#define __GARGOYLE_TEST_GARGOYLE_H_
+
+int init_suite_gargoyle(void);
+int clean_suite_gargoyle(void);
+void gargoyle_test_digest_argv(void);
+void gargoyle_test_digest_envh(void);
+
+#endif
diff --git a/test/gargoyle.c b/test/gargoyle.c
new file mode 100644
index 0000000..28f6d2c
--- /dev/null
+++ b/test/gargoyle.c
@@ -0,0 +1,115 @@
+#include <CUnit/Basic.h>
+#include <gargoyle.h>
+#include <gargoyle/test/gargoyle.h>
+
+int init_suite_gargoyle(void) {
+  return CUE_SUCCESS;
+}
+
+int clean_suite_gargoyle(void) {
+  return CUE_SUCCESS;
+}
+
+void gargoyle_test_digest_argv(void) {
+}
+
+void gargoyle_test_digest_envh(void) {
+  const char prefix[] = "GARGOYLE";
+  const uint16_t prefix_sz = sizeof(prefix) - 1;
+  struct gargoyle_err err;
+  uint64_t uint_val = 0;
+  int64_t sint_val = 0;
+
+  struct gargoyle_opt optv[] = {
+    { GARGOYLE_EZ_OPT("uint", uint_val), GARGOYLE_TYPE_UINT },
+    { GARGOYLE_EZ_OPT("sint", sint_val), GARGOYLE_TYPE_SINT }
+  };
+
+  uint16_t optc = sizeof(optv) / sizeof(struct gargoyle_opt);
+
+  char *dirty_env[] = {
+    "GARGOYLE_*(#&(%&)*=",
+    "==============",
+    "GARGOYLE_\0=straw",
+    NULL
+  };
+
+  char **env =  dirty_env;
+  uint8_t res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, 0);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_SUCCESS);
+
+  env = dirty_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_STRCT);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_UNKNOWN_OPTN);
+
+  char *normal_env[] = {
+    "SHELL=/bin/bash",
+    "PWD=/Users/uplime/gargoyle",
+    "HOME=/Users/uplime",
+    "LANG=en_US.UTF-8",
+    "TMPDIR=/tmp",
+    "USER=uplime",
+    "PAGER=less",
+    "PATH=/usr/gnu/bin:/usr/local/bin:/bin:/usr/bin:.",
+    NULL
+  };
+
+  env = normal_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, 0);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_SUCCESS);
+
+  env = normal_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_STRCT);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_SUCCESS);
+
+  char *option_env[] = {
+    "SHELL=/bin/bash",
+    "PWD=/Users/uplime/gargoyle",
+    "HOME=/Users/uplime",
+    "LANG=en_US.UTF-8",
+    "TMPDIR=/tmp",
+    "USER=uplime",
+    "PAGER=less",
+    "PATH=/usr/gnu/bin:/usr/local/bin:/bin:/usr/bin:.",
+    "GARGOYLE_sint=-2022",
+    "GARGOYLE_uint=42",
+    "GARGOYLE_UINT=43",
+    "GARGOYLE_NOT_AN_OPT=racket",
+    NULL
+  };
+
+  env = option_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, 0);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_SUCCESS);
+  CU_ASSERT_EQUAL(uint_val, 42);
+  CU_ASSERT_EQUAL(sint_val, -2022);
+
+  sint_val = 0;
+  env = option_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_BCASE);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_SUCCESS);
+  CU_ASSERT_EQUAL(uint_val, 43);
+  CU_ASSERT_EQUAL(sint_val, -2022);
+
+  env = option_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_STRCT);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_UNKNOWN_OPTN);
+
+  char *uint_env[] = {
+    "GARGOYLE_UINT=43l",
+    NULL
+  };
+
+  env = uint_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_BCASE);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_INVALID_UINT);
+
+  char *sint_env[] = {
+    "GARGOYLE_SINT=thunderfury",
+    NULL
+  };
+
+  env = sint_env;
+  res = gargoyle_digest_envh(optc, optv, prefix, prefix_sz, &env, &err, GARGOYLE_FLG_BCASE);
+  CU_ASSERT_EQUAL(res, GARGOYLE_ERR_INVALID_SINT);
+}