From af8edee16aa30c47d889aa4e855ad8cea75ee7b2 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Wed, 2 Dec 2020 01:59:53 +0500
Subject: [PATCH] Add more tests for command line parser

---
 tests/test_cmdline.c | 169 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 169 insertions(+)

diff --git a/tests/test_cmdline.c b/tests/test_cmdline.c
index 8873fa7..bfb0852 100644
--- a/tests/test_cmdline.c
+++ b/tests/test_cmdline.c
@@ -92,5 +92,174 @@ int main()
         assert(argv[index] == KERNAUX_NULL);
     }
 
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        " foo bar",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "foo bar ",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        " foo bar ",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "foo  bar",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "  foo  bar",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "foo  bar  ",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "  foo  bar  ",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 2);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
+    //==========================================================================
+
+    assert(kernaux_cmdline_parse(
+        "foo bar car",
+        error_msg,
+        &argc,
+        argv,
+        buffer,
+        ARGV_COUNT_MAX,
+        ARG_SIZE_MAX
+    ));
+
+    assert(strcmp(error_msg, "") == 0);
+    assert(argc == 3);
+    assert(strcmp(argv[0], "foo") == 0);
+    assert(strcmp(argv[1], "bar") == 0);
+    assert(strcmp(argv[2], "car") == 0);
+
+    for (unsigned int index = argc; index < ARGV_COUNT_MAX; ++index) {
+        assert(argv[index] == KERNAUX_NULL);
+    }
+
     return 0;
 }