Refine test runner to account for multiline output

1 files changed, 16 insertions, 4 deletions

diff --git a/test-convert-markdown.c b/test-convert-markdown.c
index 09a3d18..d2eb1a7 100644
--- a/test-convert-markdown.c
+++ b/test-convert-markdown.c
@@ -36,7 +36,12 @@ static int test_parse_file(const char* testname, const char* input, const char*
     const int tmp_length = ftell(outstream) + 1;
     rewind(outstream);
 
-    fgets(buffer, length, outstream);
+    char* result;
+    size_t len = 0;
+    do {
+        result = fgets(buffer + len, length - len, outstream);
+        len = strlen(buffer);
+    } while (result);
     fclose(instream);
     fclose(outstream);
 
@@ -45,7 +50,7 @@ static int test_parse_file(const char* testname, const char* input, const char*
         return 0;
     } else {
         printf("%s test failed\n", testname);
-        printf("%s !=\n%s\n", buffer, output);
+        printf("%s\n !=\n%s\n", buffer, output);
         return 1;
     }
 }
@@ -54,8 +59,15 @@ int main(void) {
     printf("\n=============\nRunning Tests\n=============\n");
 
     int errors = 0;
-    errors += test_parse_file("1. Header", "# header", "<h1 id=\"header\">header</h1>\n");
-    errors += test_parse_file("2. Bold", "**bold**", "<p><strong>bold</strong></p>\n");
+    errors += test_parse_file("1. Header",
+            "# header",
+            "<h1 id=\"header\">header</h1>\n");
+    errors += test_parse_file("2. Bold",
+            "**bold**",
+            "<p><strong>bold</strong></p>\n");
+    errors += test_parse_file("3. Multiline",
+            "# header\n`code`",
+            "<h1 id=\"header\">header</h1>\n\n<p><code>code</code></p>\n");
 
     printf("\n============\nTest Summary\n============\n");