From 0da08289139d3b91987e7729eb0e9652a0b35a37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Ferr=C3=A3o?=
 <2031761+viniciusferrao@users.noreply.github.com>
Date: Thu, 20 Aug 2026 22:41:53 -0300
Subject: [PATCH] test(genesis): cover narrow console headers

---
 xCAT-test/unit/genesis_openembedded_console.t | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/xCAT-test/unit/genesis_openembedded_console.t b/xCAT-test/unit/genesis_openembedded_console.t
index 0d749c462..5ba34746e 100644
--- a/xCAT-test/unit/genesis_openembedded_console.t
+++ b/xCAT-test/unit/genesis_openembedded_console.t
@@ -17,6 +17,8 @@ my @plain_sources = map { File::Spec->catfile( $source_dir, $_ ) }
   qw(main.c plain_ui.c shell.c state.c support.c);
 my $root = tempdir( CLEANUP => 1 );
 my $binary = File::Spec->catfile( $root, 'xcat-genesis-console' );
+my $header_test_source = File::Spec->catfile( $root, 'header-test.c' );
+my $header_test_binary = File::Spec->catfile( $root, 'header-test' );
 my $compiler = $ENV{CC} || 'cc';
 
 is(
@@ -44,6 +46,35 @@ sub read_file {
     return $contents;
 }
 
+write_file(
+    $header_test_source,
+    <<'C'
+#include "console.h"
+
+#include <assert.h>
+
+int main(void) {
+    assert(xcat_header_context_columns(0) == 0);
+    assert(xcat_header_context_columns(19) == 0);
+    assert(xcat_header_context_columns(20) == 0);
+    assert(xcat_header_context_columns(21) == 1);
+    assert(xcat_header_context_columns(80) == 60);
+    return 0;
+}
+C
+);
+is(
+    system(
+        $compiler, '-D_POSIX_C_SOURCE=200809L', '-std=c17', '-Wall', '-Wextra',
+        '-Wpedantic', '-Werror', '-I', $source_dir, $header_test_source,
+        File::Spec->catfile( $source_dir, 'support.c' ), '-o', $header_test_binary
+      ) >> 8,
+    0,
+    'header bounds test builds with strict warnings'
+);
+is( system($header_test_binary) >> 8, 0,
+    'narrow terminals leave no writable header context' );
+
 my $cmdline = File::Spec->catfile( $root, 'cmdline' );
 my $uptime = File::Spec->catfile( $root, 'uptime' );
 my $os_release_real = File::Spec->catfile( $root, 'os-release.real' );
@@ -365,6 +396,8 @@ like( $console_source, qr/state->serial/,
     'header shows the firmware serial when available' );
 unlike( $header_source, qr/state->architecture/,
     'header leaves architecture in diagnostics' );
+like( $header_source, qr/xcat_header_context_columns\(columns\)/,
+    'header clamps its context to the available terminal width' );
 
 my ($logs_source) = $newt_source =~
   /(static void show_logs.*?)(?=\nstatic void show_maintenance_shell)/s;