Fix up error handling and add tests. Fixes #246.

git-svn-id: file:///svn/tokudb@1535 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/Makefile

@@ -120,11 +120,13 @@ NO_VGRIND = \
   db_dbt_mem_behavior \
   db_assoc3 \
   db_curs2 \
+  db_delete \
   db_env_open_nocreate \
   db_env_open_open_close \
   db_open_notexist_reopen \
   db_remove_subdb \
   log4 \
+  log5 \
   # Comment to terminate list so the previous line can end with a slash
 
 $(patsubst %,test_%.bdbrun,$(NO_VGRIND)): VGRIND=

src/tests/test.h

+#include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <stdio.h>
+#include <db.h>
 
 #ifndef DB_YESOVERWRITE
 #define DB_YESOVERWRITE 0

src/tests/test_error.c

+// I want fmemopen
+#define _GNU_SOURCE
+
+#include "test.h"
+#include <assert.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdio.h>
+
+const char *expect_errpfx=0;
+int n_handle_error=0;
+
+void handle_error (const DB_ENV *dbenv, const char *errpfx, const char *msg) {
+    assert(errpfx==expect_errpfx);
+    n_handle_error++;
+}
+int main (int argc, const char *argv[]) {
+    parse_args(argc, argv);
+    
+    system("rm -rf " DIR);
+    int r=mkdir(DIR, 0777); assert(r==0);
+
+    {
+	DB_ENV *env;
+	r = db_env_create(&env, 0); assert(r==0);
+	r = env->open(env, DIR, -1, 0644);
+	assert(r==EINVAL && n_handle_error==0);
+	r = env->close(env, 0); assert(r==0);
+    }
+
+    int do_errfile, do_errcall;
+    for (do_errfile=0; do_errfile<2; do_errfile++) {
+	for (do_errcall=0; do_errcall<2; do_errcall++) {
+	    DB_ENV *env;
+	    char buf[10000]="";
+	    FILE *write_here = fmemopen(buf, sizeof(buf), "w");
+	    n_handle_error=0;
+	    r = db_env_create(&env, 0); assert(r==0);
+	    if (do_errfile)
+		env->set_errfile(env, write_here);
+	    if (do_errcall) 
+		env->set_errcall(env, handle_error);
+	    r = env->open(env, DIR, -1, 0644);
+	    assert(r==EINVAL);
+	    r = env->close(env, 0); assert(r==0);
+	    fclose(write_here);
+	    if (do_errfile) {
+		assert(buf[0]!=0); 
+		assert(buf[0]!=':');
+	    } else {
+		assert(buf[0]==0);
+	    }
+	    if (do_errcall) {
+		assert(n_handle_error==1);
+	    } else {
+		assert(n_handle_error==0);
+	    }
+	}
+    }
+
+    return 0;
+}