From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 1 Jul 2013 00:35:11 +0000 (+0200)
Subject: tests/example_exec.c: Sort environment variables.
X-Git-Tag: 0.1~15
X-Git-Url: https://ruderich.org/simon/gitweb/?a=commitdiff_plain;h=2c55827f6f2c231a8f166e015df4c5c3818c8ba4;p=coloredstderr%2Fcoloredstderr.git

tests/example_exec.c: Sort environment variables.
---

diff --git a/tests/example_exec.c b/tests/example_exec.c
index 1220f85..415da45 100644
--- a/tests/example_exec.c
+++ b/tests/example_exec.c
@@ -59,6 +59,9 @@ static int find_magic_run_number(char *argv0, int *number) {
     return 1;
 }
 
+static int cmp(void const *a, void const *b) {
+    return strcmp(*(char * const *)a, *(char * const *)b);
+}
 static void dump(char *argv[]) {
     size_t i;
 
@@ -66,14 +69,23 @@ static void dump(char *argv[]) {
     while (*argv) {
         printf("argv[%zu] = |%s|\n", i++, *argv++);
     }
+
+    /* Order of environment variables is not defined, sort them for consistent
+     * test results. */
     i = 0;
     char **env = environ;
+    while (*env++) {
+        i++;
+    }
+    qsort(environ, i, sizeof(*env), cmp);
+
+    i = 0;
+    env = environ;
     while (*env) {
         /* Skip LD_PRELOAD which contains system dependent values. */
         if (strncmp(*env, "LD_PRELOAD=", 11)) {
-            printf("environ[%zu] = |%s|\n", i, *env);
+            printf("environ[%zu] = |%s|\n", i++, *env);
         }
-        i++;
         env++;
     }
     printf("\n");
@@ -321,14 +333,14 @@ int main(int argc unused, char **argv) {
     /* Fake output to let the test pass. */
     } else if (!skip--) {
         puts("argv[0] = |./example_exec|");
-        puts("environ[0] = |TEST=54|");
-        puts("environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|");
+        puts("environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|");
+        puts("environ[1] = |TEST=54|");
         puts("");
         puts("argv[0] = |./example_exec|");
         puts("argv[1] = |foo|");
         puts("argv[2] = |bar|");
-        puts("environ[0] = |TEST=55|");
-        puts("environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|");
+        puts("environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|");
+        puts("environ[1] = |TEST=55|");
         puts("");
 #endif
     }
diff --git a/tests/example_exec.expected b/tests/example_exec.expected
index 61ca212..8dee58c 100644
--- a/tests/example_exec.expected
+++ b/tests/example_exec.expected
@@ -1,125 +1,125 @@
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 
 
 CHECKING COLORING.
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,5,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,5,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,5,6,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,5,6,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,7,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,4,7,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,3,8,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,3,8,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_FDS=5,|
-environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,5,|
+environ[0] = |COLORED_STDERR_FDS=5,|
+environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,5,|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=6,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=6,|
 
 argv[0] = |./example_exec|
+environ[0] = |COLORED_STDERR_FDS=2,|
 environ[1] = |COLORED_STDERR_PRIVATE_FDS=|
-environ[2] = |COLORED_STDERR_FDS=2,|
 
 
 CHECKING TRANSPARENCY.
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=42|
-environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[1] = |TEST=42|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=43|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=43|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=44|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=44|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=45|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=45|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=46|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=46|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=47|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=47|
 
 argv[0] = |./example_exec|
-environ[1] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=48|
-environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[1] = |TEST=48|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=49|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=49|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=50|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=50|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=51|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=51|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=52|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=52|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=53|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
 environ[1] = |FOO=|
-environ[3] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[2] = |TEST=53|
 
 argv[0] = |./example_exec|
-environ[0] = |TEST=54|
-environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[1] = |TEST=54|
 
 argv[0] = |./example_exec|
 argv[1] = |foo|
 argv[2] = |bar|
-environ[0] = |TEST=55|
-environ[2] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[0] = |COLORED_STDERR_PRIVATE_FDS=2,|
+environ[1] = |TEST=55|
 
 Done.