[Pkg-gnupg-commit] [gnupg2] 101/292: gpgscm: Improve test of low-level functions.

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gnupg2.

commit 11eac7eb2fa3392a9aa052f8f5bb9875129ab84b
Author: Justus Winter <justus at g10code.com>
Date:   Fri Oct 7 16:13:08 2016 +0200

    gpgscm: Improve test of low-level functions.
    
    * tests/gpgscm/t-child.c: Print large amounts of data.
    * tests/gpgscm/t-child.scm: Test that this works.
    
    Signed-off-by: Justus Winter <justus at g10code.com>
---
 tests/gpgscm/t-child.c   | 10 +++++++++-
 tests/gpgscm/t-child.scm | 25 +++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/tests/gpgscm/t-child.c b/tests/gpgscm/t-child.c
index fe2e7b4..ae1a635 100644
--- a/tests/gpgscm/t-child.c
+++ b/tests/gpgscm/t-child.c
@@ -30,6 +30,8 @@
 int
 main (int argc, char **argv)
 {
+  char buffer[4096];
+  memset (buffer, 'A', sizeof buffer);
 #if _WIN32
   if (! setmode (stdin, O_BINARY))
     return 23;
@@ -49,10 +51,16 @@ main (int argc, char **argv)
     fprintf (stdout, "hello");
   else if (strcmp (argv[1], "hello_stderr") == 0)
     fprintf (stderr, "hello");
+  else if (strcmp (argv[1], "stdout4096") == 0)
+    fwrite (buffer, 1, sizeof buffer, stdout);
+  else if (strcmp (argv[1], "stdout8192") == 0)
+    {
+      fwrite (buffer, 1, sizeof buffer, stdout);
+      fwrite (buffer, 1, sizeof buffer, stdout);
+    }
   else if (strcmp (argv[1], "cat") == 0)
     while (! feof (stdin))
       {
-        char buffer[4096];
         size_t bytes_read;
         bytes_read = fread (buffer, 1, sizeof buffer, stdin);
         fwrite (buffer, 1, bytes_read, stdout);
diff --git a/tests/gpgscm/t-child.scm b/tests/gpgscm/t-child.scm
index 27928f6..93208f4 100644
--- a/tests/gpgscm/t-child.scm
+++ b/tests/gpgscm/t-child.scm
@@ -22,6 +22,8 @@
 (define (qualify executable)
   (string-append executable (getenv "EXEEXT")))
 
+(define child (qualify "t-child"))
+
 (assert (= 0 (call `(,(qualify "t-child") "return0"))))
 (assert (= 1 (call `(,(qualify "t-child") "return1"))))
 (assert (= 77 (call `(,(qualify "t-child") "return77"))))
@@ -51,6 +53,16 @@
   (assert (string=? "" (:stdout r)))
   (assert (string=? "hello" (:stderr r))))
 
+(let ((r (call-with-io `(,(qualify "t-child") "stdout4096") "")))
+  (assert (= 0 (:retcode r)))
+  (assert (= 4096 (string-length (:stdout r))))
+  (assert (string=? "" (:stderr r))))
+
+(let ((r (call-with-io `(,(qualify "t-child") "stdout8192") "")))
+  (assert (= 0 (:retcode r)))
+  (assert (= 8192 (string-length (:stdout r))))
+  (assert (string=? "" (:stderr r))))
+
 (let ((r (call-with-io `(,(qualify "t-child") "cat") "hellohello")))
   (assert (= 0 (:retcode r)))
   (assert (string=? "hellohello" (:stdout r)))
@@ -90,4 +102,17 @@
 	   (wait-processes '("child0" "child1") (list pid0 pid1) #t))))
 (echo " world.")
 
+(tr:do
+ (tr:pipe-do
+  (pipe:spawn `(,child stdout4096))
+  (pipe:spawn `(,child cat)))
+ (tr:call-with-content (lambda (c)
+			 (assert (= 4096 (length c))))))
+(tr:do
+ (tr:pipe-do
+  (pipe:spawn `(,child stdout8192))
+  (pipe:spawn `(,child cat)))
+ (tr:call-with-content (lambda (c)
+			 (assert (= 8192 (length c))))))
+
 (echo "All good.")

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