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If an error occurs in a virBuffer* API the idea is to free the content immediately and set @error member used in error reporting later. Well, this is not what how virBufferAddBuffer works. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Erik Skultety <eskultet@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com>
536 lines
14 KiB
C
536 lines
14 KiB
C
#include <config.h>
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#include "internal.h"
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#include "testutils.h"
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#include "virbuffer.h"
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#include "viralloc.h"
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#include "virstring.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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struct testInfo {
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int doEscape;
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};
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static int testBufInfiniteLoop(const void *data)
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{
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virBuffer bufinit = VIR_BUFFER_INITIALIZER;
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virBufferPtr buf = &bufinit;
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char *addstr = NULL, *bufret = NULL;
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int ret = -1;
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const struct testInfo *info = data;
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int len;
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virBufferAddChar(buf, 'a');
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/*
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* Infinite loop used to trigger if:
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* (strlen + 1 > 1000) && (strlen == buf-size - buf-use - 1)
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* which was the case after the above addchar at the time of the bug.
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* This test is a bit fragile, since it relies on virBuffer internals.
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*/
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len = buf->size - buf->use - 1;
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if (virAsprintf(&addstr, "%*s", len, "a") < 0)
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goto out;
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if (info->doEscape)
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virBufferEscapeString(buf, "%s", addstr);
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else
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virBufferAsprintf(buf, "%s", addstr);
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ret = 0;
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out:
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bufret = virBufferContentAndReset(buf);
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if (!bufret) {
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VIR_TEST_DEBUG("Buffer had error set");
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ret = -1;
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}
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VIR_FREE(addstr);
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VIR_FREE(bufret);
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return ret;
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}
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static int testBufAutoIndent(const void *data ATTRIBUTE_UNUSED)
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{
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virBuffer bufinit = VIR_BUFFER_INITIALIZER;
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virBufferPtr buf = &bufinit;
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const char expected[] =
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" 1\n 2\n 3\n 4\n 5\n 6\n 7\n &\n 8\n 9\n 10\n ' 11'\n";
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char *result = NULL;
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int ret = 0;
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if (virBufferGetIndent(buf, false) != 0 ||
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virBufferGetIndent(buf, true) != 0) {
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VIR_TEST_DEBUG("Wrong indentation");
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ret = -1;
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}
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virBufferAdjustIndent(buf, 3);
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if (STRNEQ(virBufferCurrentContent(buf), "")) {
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VIR_TEST_DEBUG("Wrong content");
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ret = -1;
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}
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if (virBufferGetIndent(buf, false) != 3 ||
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virBufferGetIndent(buf, true) != 3 ||
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virBufferError(buf)) {
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VIR_TEST_DEBUG("Wrong indentation");
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ret = -1;
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}
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virBufferAdjustIndent(buf, -2);
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if (virBufferGetIndent(buf, false) != 1 ||
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virBufferGetIndent(buf, true) != 1 ||
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virBufferError(buf)) {
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VIR_TEST_DEBUG("Wrong indentation");
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ret = -1;
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}
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virBufferAdjustIndent(buf, -3);
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if (virBufferGetIndent(buf, false) != -1 ||
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virBufferGetIndent(buf, true) != -1 ||
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virBufferError(buf) != -1) {
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VIR_TEST_DEBUG("Usage error not flagged");
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ret = -1;
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}
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virBufferFreeAndReset(buf);
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if (virBufferGetIndent(buf, false) != 0 ||
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virBufferGetIndent(buf, true) != 0 ||
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virBufferError(buf)) {
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VIR_TEST_DEBUG("Reset didn't clear indentation");
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ret = -1;
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}
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virBufferAdjustIndent(buf, 2);
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virBufferAddLit(buf, "1");
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if (virBufferError(buf)) {
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VIR_TEST_DEBUG("Buffer had error");
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return -1;
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}
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if (STRNEQ(virBufferCurrentContent(buf), " 1")) {
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VIR_TEST_DEBUG("Wrong content");
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ret = -1;
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}
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if (virBufferGetIndent(buf, false) != 2 ||
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virBufferGetIndent(buf, true) != 0) {
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VIR_TEST_DEBUG("Wrong indentation");
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ret = -1;
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}
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virBufferAddLit(buf, "\n");
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virBufferAdd(buf, "" "2\n", -1); /* Extra "" appeases syntax-check */
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virBufferAddChar(buf, '3');
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virBufferAddChar(buf, '\n');
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virBufferAsprintf(buf, "%d", 4);
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virBufferAsprintf(buf, "%c", '\n');
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virBufferStrcat(buf, "5", "\n", "6\n", NULL);
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virBufferEscapeString(buf, "%s\n", "7");
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virBufferEscapeString(buf, "%s\n", "&");
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virBufferEscapeSexpr(buf, "%s", "8\n");
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virBufferURIEncodeString(buf, "9");
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virBufferAddChar(buf, '\n');
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virBufferEscapeShell(buf, "10");
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virBufferAddChar(buf, '\n');
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virBufferEscapeShell(buf, " 11");
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virBufferAddChar(buf, '\n');
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if (virBufferError(buf)) {
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VIR_TEST_DEBUG("Buffer had error");
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return -1;
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}
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result = virBufferContentAndReset(buf);
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if (!result || STRNEQ(result, expected)) {
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virTestDifference(stderr, expected, result);
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ret = -1;
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}
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VIR_FREE(result);
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return ret;
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}
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static int testBufTrim(const void *data ATTRIBUTE_UNUSED)
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{
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virBuffer bufinit = VIR_BUFFER_INITIALIZER;
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virBufferPtr buf = NULL;
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char *result = NULL;
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const char *expected = "a,b";
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int ret = -1;
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virBufferTrim(buf, "", 0);
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buf = &bufinit;
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virBufferAddLit(buf, "a;");
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virBufferTrim(buf, "", 0);
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virBufferTrim(buf, "", -1);
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virBufferTrim(buf, NULL, 1);
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virBufferTrim(buf, NULL, 5);
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virBufferTrim(buf, "a", 2);
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virBufferAddLit(buf, ",b,,");
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virBufferTrim(buf, "b", -1);
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virBufferTrim(buf, "b,,", 1);
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virBufferTrim(buf, ",", -1);
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if (virBufferError(buf)) {
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VIR_TEST_DEBUG("Buffer had error");
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return -1;
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}
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result = virBufferContentAndReset(buf);
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if (!result || STRNEQ(result, expected)) {
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virTestDifference(stderr, expected, result);
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goto cleanup;
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}
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virBufferTrim(buf, NULL, -1);
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if (virBufferError(buf) != -1) {
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VIR_TEST_DEBUG("Usage error not flagged");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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virBufferFreeAndReset(buf);
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VIR_FREE(result);
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return ret;
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}
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static int testBufAddBuffer(const void *data ATTRIBUTE_UNUSED)
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{
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virBuffer buf1 = VIR_BUFFER_INITIALIZER;
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virBuffer buf2 = VIR_BUFFER_INITIALIZER;
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virBuffer buf3 = VIR_BUFFER_INITIALIZER;
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int ret = -1;
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char *result = NULL;
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const char *expected = \
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" A long time ago, in a galaxy far,\n" \
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" far away...\n" \
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" It is a period of civil war.\n" \
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" Rebel spaceships, striking\n" \
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" from a hidden base, have won\n" \
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" their first victory against\n" \
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" the evil Galactic Empire.\n" \
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" During the battle, rebel\n" \
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" spies managed to steal secret\n" \
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" plans to the Empire's\n" \
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" ultimate weapon, the DEATH\n" \
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" STAR, an armored space\n" \
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" station with enough power to\n" \
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" destroy an entire planet.\n";
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if (virBufferUse(&buf1)) {
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VIR_TEST_DEBUG("buf1 already in use");
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goto cleanup;
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}
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if (virBufferUse(&buf2)) {
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VIR_TEST_DEBUG("buf2 already in use");
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goto cleanup;
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}
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if (virBufferUse(&buf3)) {
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VIR_TEST_DEBUG("buf3 already in use");
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goto cleanup;
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}
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virBufferAdjustIndent(&buf1, 2);
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virBufferAddLit(&buf1, "A long time ago, in a galaxy far,\n");
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virBufferAddLit(&buf1, "far away...\n");
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virBufferAdjustIndent(&buf2, 4);
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virBufferAddLit(&buf2, "It is a period of civil war.\n");
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virBufferAddLit(&buf2, "Rebel spaceships, striking\n");
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virBufferAddLit(&buf2, "from a hidden base, have won\n");
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virBufferAddLit(&buf2, "their first victory against\n");
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virBufferAddLit(&buf2, "the evil Galactic Empire.\n");
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virBufferAdjustIndent(&buf3, 2);
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virBufferAddLit(&buf3, "During the battle, rebel\n");
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virBufferAddLit(&buf3, "spies managed to steal secret\n");
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virBufferAddLit(&buf3, "plans to the Empire's\n");
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virBufferAddLit(&buf3, "ultimate weapon, the DEATH\n");
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virBufferAddLit(&buf3, "STAR, an armored space\n");
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virBufferAddLit(&buf3, "station with enough power to\n");
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virBufferAddLit(&buf3, "destroy an entire planet.\n");
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if (!virBufferUse(&buf1)) {
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VIR_TEST_DEBUG("Error adding to buf1");
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goto cleanup;
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}
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if (!virBufferUse(&buf2)) {
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VIR_TEST_DEBUG("Error adding to buf2");
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goto cleanup;
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}
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if (!virBufferUse(&buf3)) {
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VIR_TEST_DEBUG("Error adding to buf3");
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goto cleanup;
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}
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virBufferAddBuffer(&buf2, &buf3);
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if (!virBufferUse(&buf2)) {
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VIR_TEST_DEBUG("buf2 cleared mistakenly");
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goto cleanup;
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}
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if (virBufferUse(&buf3)) {
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VIR_TEST_DEBUG("buf3 is not clear even though it should be");
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goto cleanup;
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}
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virBufferAddBuffer(&buf1, &buf2);
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if (!virBufferUse(&buf1)) {
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VIR_TEST_DEBUG("buf1 cleared mistakenly");
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goto cleanup;
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}
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if (virBufferUse(&buf2)) {
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VIR_TEST_DEBUG("buf2 is not clear even though it should be");
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goto cleanup;
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}
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result = virBufferContentAndReset(&buf1);
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if (STRNEQ_NULLABLE(result, expected)) {
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virTestDifference(stderr, expected, result);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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virBufferFreeAndReset(&buf1);
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virBufferFreeAndReset(&buf2);
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VIR_FREE(result);
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return ret;
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}
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static int
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testBufAddBuffer2(const void *opaque ATTRIBUTE_UNUSED)
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{
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VIR_AUTOCLEAN(virBuffer) buf1 = VIR_BUFFER_INITIALIZER;
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VIR_AUTOCLEAN(virBuffer) buf2 = VIR_BUFFER_INITIALIZER;
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/* Intent of this test is to demonstrate a memleak that happen with
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* virBufferAddBuffer */
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virBufferAddLit(&buf1, "Hello world!\n");
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virBufferAddLit(&buf2, "Hello world!\n");
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/* Intentional usage error */
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virBufferAdjustIndent(&buf2, -2);
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virBufferAddBuffer(&buf1, &buf2);
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if (virBufferCurrentContent(&buf1) ||
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!virBufferCurrentContent(&buf2)) {
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VIR_TEST_DEBUG("Unexpected buffer content");
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return -1;
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}
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return 0;
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}
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struct testBufAddStrData {
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const char *data;
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const char *expect;
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};
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static int
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testBufAddStr(const void *opaque ATTRIBUTE_UNUSED)
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{
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const struct testBufAddStrData *data = opaque;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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char *actual;
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int ret = -1;
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virBufferAddLit(&buf, "<c>\n");
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virBufferAdjustIndent(&buf, 2);
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virBufferAddStr(&buf, data->data);
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virBufferAdjustIndent(&buf, -2);
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virBufferAddLit(&buf, "</c>");
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if (!(actual = virBufferContentAndReset(&buf))) {
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VIR_TEST_DEBUG("buf is empty");
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goto cleanup;
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}
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if (STRNEQ_NULLABLE(actual, data->expect)) {
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VIR_TEST_DEBUG("testBufAddStr(): Strings don't match:\n");
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virTestDifference(stderr, data->expect, actual);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(actual);
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return ret;
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}
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static int
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testBufEscapeStr(const void *opaque ATTRIBUTE_UNUSED)
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{
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const struct testBufAddStrData *data = opaque;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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char *actual;
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int ret = -1;
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virBufferAddLit(&buf, "<c>\n");
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virBufferAdjustIndent(&buf, 2);
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virBufferEscapeString(&buf, "<el>%s</el>\n", data->data);
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virBufferAdjustIndent(&buf, -2);
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virBufferAddLit(&buf, "</c>");
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if (!(actual = virBufferContentAndReset(&buf))) {
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VIR_TEST_DEBUG("buf is empty");
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goto cleanup;
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}
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if (STRNEQ_NULLABLE(actual, data->expect)) {
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VIR_TEST_DEBUG("testBufEscapeStr(): Strings don't match:\n");
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virTestDifference(stderr, data->expect, actual);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(actual);
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return ret;
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}
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static int
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testBufEscapeRegex(const void *opaque)
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{
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const struct testBufAddStrData *data = opaque;
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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char *actual;
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int ret = -1;
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virBufferEscapeRegex(&buf, "%s", data->data);
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if (!(actual = virBufferContentAndReset(&buf))) {
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VIR_TEST_DEBUG("testBufEscapeRegex: buf is empty");
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goto cleanup;
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}
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if (STRNEQ_NULLABLE(actual, data->expect)) {
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VIR_TEST_DEBUG("testBufEscapeRegex: Strings don't match:\n");
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virTestDifference(stderr, data->expect, actual);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(actual);
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return ret;
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}
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static int
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testBufSetIndent(const void *opaque ATTRIBUTE_UNUSED)
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{
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virBuffer buf = VIR_BUFFER_INITIALIZER;
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char *actual;
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int ret = -1;
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virBufferSetIndent(&buf, 11);
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virBufferAddLit(&buf, "test\n");
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virBufferSetIndent(&buf, 2);
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virBufferAddLit(&buf, "test2\n");
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if (!(actual = virBufferContentAndReset(&buf)))
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goto cleanup;
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if (STRNEQ(actual, " test\n test2\n")) {
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VIR_TEST_DEBUG("testBufSetIndent: expected indent not set\n");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(actual);
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return ret;
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}
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/* Result of this shows up only in valgrind or similar */
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static int
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testBufferAutoclean(const void *opaque ATTRIBUTE_UNUSED)
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{
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VIR_AUTOCLEAN(virBuffer) buf = VIR_BUFFER_INITIALIZER;
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virBufferAddLit(&buf, "test test test\n");
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return 0;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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#define DO_TEST(msg, cb, data) \
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do { \
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struct testInfo info = { data }; \
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if (virTestRun("Buf: " msg, cb, &info) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST("EscapeString infinite loop", testBufInfiniteLoop, 1);
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DO_TEST("VSprintf infinite loop", testBufInfiniteLoop, 0);
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DO_TEST("Auto-indentation", testBufAutoIndent, 0);
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DO_TEST("Trim", testBufTrim, 0);
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DO_TEST("AddBuffer", testBufAddBuffer, 0);
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DO_TEST("AddBuffer2", testBufAddBuffer2, 0);
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DO_TEST("set indent", testBufSetIndent, 0);
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DO_TEST("autoclean", testBufferAutoclean, 0);
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#define DO_TEST_ADD_STR(DATA, EXPECT) \
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do { \
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struct testBufAddStrData info = { DATA, EXPECT }; \
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if (virTestRun("Buf: AddStr", testBufAddStr, &info) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST_ADD_STR("", "<c>\n</c>");
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DO_TEST_ADD_STR("<a/>", "<c>\n <a/></c>");
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DO_TEST_ADD_STR("<a/>\n", "<c>\n <a/>\n</c>");
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DO_TEST_ADD_STR("<b>\n <a/>\n</b>\n", "<c>\n <b>\n <a/>\n </b>\n</c>");
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#define DO_TEST_ESCAPE(data, expect) \
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do { \
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struct testBufAddStrData info = { data, expect }; \
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if (virTestRun("Buf: EscapeStr", testBufEscapeStr, &info) < 0) \
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ret = -1; \
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} while (0)
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DO_TEST_ESCAPE("<td></td><td></td>",
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"<c>\n <el><td></td><td></td></el>\n</c>");
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DO_TEST_ESCAPE("\007\"&&\"\x15",
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"<c>\n <el>"&&"</el>\n</c>");
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DO_TEST_ESCAPE(",,'..',,",
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"<c>\n <el>,,'..',,</el>\n</c>");
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DO_TEST_ESCAPE("\x01\x01\x02\x03\x05\x08",
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"<c>\n <el></el>\n</c>");
|
|
|
|
#define DO_TEST_ESCAPE_REGEX(data, expect) \
|
|
do { \
|
|
struct testBufAddStrData info = { data, expect }; \
|
|
if (virTestRun("Buf: EscapeRegex", testBufEscapeRegex, &info) < 0) \
|
|
ret = -1; \
|
|
} while (0)
|
|
|
|
DO_TEST_ESCAPE_REGEX("noescape", "noescape");
|
|
DO_TEST_ESCAPE_REGEX("^$.|?*+()[]{}\\",
|
|
"\\^\\$\\.\\|\\?\\*\\+\\(\\)\\[\\]\\{\\}\\\\");
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIR_TEST_MAIN(mymain)
|