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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Tests for firmware display library.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bmpblk_font.h"
#include "gbb_header.h"
#include "host_common.h"
#include "region.h"
#include "test_common.h"
#include "vboot_common.h"
#include "vboot_display.h"
#include "vboot_kernel.h"
#include "vboot_nvstorage.h"
/* Mock data */
static VbCommonParams cparams;
static VbNvContext vnc;
static uint8_t shared_data[VB_SHARED_DATA_MIN_SIZE];
static VbSharedDataHeader *shared = (VbSharedDataHeader *)shared_data;
static char gbb_data[4096 + sizeof(GoogleBinaryBlockHeader)];
static GoogleBinaryBlockHeader *gbb = (GoogleBinaryBlockHeader *)gbb_data;
static BmpBlockHeader *bhdr;
static char debug_info[4096];
/* Reset mock data (for use before each test) */
static void ResetMocks(void)
{
int gbb_used;
Memset(gbb_data, 0, sizeof(gbb_data));
gbb->major_version = GBB_MAJOR_VER;
gbb->minor_version = GBB_MINOR_VER;
gbb->flags = 0;
gbb_used = sizeof(GoogleBinaryBlockHeader);
gbb->hwid_offset = gbb_used;
strcpy(gbb_data + gbb->hwid_offset, "Test HWID");
gbb->hwid_size = strlen(gbb_data + gbb->hwid_offset) + 1;
gbb_used = (gbb_used + gbb->hwid_size + 7) & ~7;
gbb->bmpfv_offset = gbb_used;
bhdr = (BmpBlockHeader *)(gbb_data + gbb->bmpfv_offset);
gbb->bmpfv_size = sizeof(BmpBlockHeader);
gbb_used = (gbb_used + gbb->bmpfv_size + 7) & ~7;
memcpy(bhdr->signature, BMPBLOCK_SIGNATURE, BMPBLOCK_SIGNATURE_SIZE);
bhdr->major_version = BMPBLOCK_MAJOR_VERSION;
bhdr->minor_version = BMPBLOCK_MINOR_VERSION;
bhdr->number_of_localizations = 3;
Memset(&cparams, 0, sizeof(cparams));
cparams.shared_data_size = sizeof(shared_data);
cparams.shared_data_blob = shared_data;
cparams.gbb_data = gbb;
cparams.gbb_size = sizeof(gbb_data);
/*
* Note, VbApiKernelFree() expects this to be allocated by
* VbExMalloc(), so we cannot just assign it staticly.
*/
cparams.gbb = VbExMalloc(sizeof(*gbb));
gbb->header_size = sizeof(*gbb);
gbb->rootkey_offset = gbb_used;
gbb->rootkey_size = 64;
gbb_used += 64;
gbb->recovery_key_offset = gbb_used;
gbb->recovery_key_size = 64;
gbb_used += 64;
memcpy(cparams.gbb, gbb, sizeof(*gbb));
Memset(&vnc, 0, sizeof(vnc));
VbNvSetup(&vnc);
VbNvTeardown(&vnc); /* So CRC gets generated */
Memset(&shared_data, 0, sizeof(shared_data));
VbSharedDataInit(shared, sizeof(shared_data));
*debug_info = 0;
}
/* Mocks */
VbError_t VbExDisplayDebugInfo(const char *info_str)
{
strncpy(debug_info, info_str, sizeof(debug_info));
debug_info[sizeof(debug_info) - 1] = '\0';
return VBERROR_SUCCESS;
}
/* Test displaying debug info */
static void DebugInfoTest(void)
{
char hwid[VB_REGION_HWID_LEN];
int i;
/* Recovery string should be non-null for any code */
for (i = 0; i < 0x100; i++)
TEST_PTR_NEQ(RecoveryReasonString(i), NULL, "Non-null reason");
/* HWID should come from the gbb */
ResetMocks();
VbRegionReadHWID(&cparams, hwid, sizeof(hwid));
TEST_EQ(strcmp(hwid, "Test HWID"), 0, "HWID");
VbApiKernelFree(&cparams);
ResetMocks();
cparams.gbb_size = 0;
VbRegionReadHWID(&cparams, hwid, sizeof(hwid));
TEST_EQ(strcmp(hwid, "{INVALID}"), 0, "HWID bad gbb");
VbApiKernelFree(&cparams);
ResetMocks();
cparams.gbb->hwid_size = 0;
VbRegionReadHWID(&cparams, hwid, sizeof(hwid));
TEST_EQ(strcmp(hwid, "{INVALID}"), 0, "HWID missing");
VbApiKernelFree(&cparams);
ResetMocks();
cparams.gbb->hwid_offset = cparams.gbb_size + 1;
VbRegionReadHWID(&cparams, hwid, sizeof(hwid));
TEST_EQ(strcmp(hwid, "{INVALID}"), 0, "HWID past end");
VbApiKernelFree(&cparams);
ResetMocks();
cparams.gbb->hwid_size = cparams.gbb_size;
VbRegionReadHWID(&cparams, hwid, sizeof(hwid));
TEST_EQ(strcmp(hwid, "{INVALID}"), 0, "HWID overflow");
VbApiKernelFree(&cparams);
/* Display debug info */
ResetMocks();
VbDisplayDebugInfo(&cparams, &vnc);
TEST_NEQ(*debug_info, '\0', "Some debug info was displayed");
VbApiKernelFree(&cparams);
}
/* Test localization */
static void LocalizationTest(void)
{
uint32_t count = 6;
ResetMocks();
cparams.gbb->bmpfv_size = 0;
TEST_EQ(VbGetLocalizationCount(&cparams, &count),
VBERROR_INVALID_GBB, "VbGetLocalizationCount bad gbb");
TEST_EQ(count, 0, " count");
VbApiKernelFree(&cparams);
ResetMocks();
bhdr->signature[0] ^= 0x5a;
TEST_EQ(VbGetLocalizationCount(&cparams, &count),
VBERROR_INVALID_BMPFV, "VbGetLocalizationCount bad bmpfv");
VbApiKernelFree(&cparams);
ResetMocks();
TEST_EQ(VbGetLocalizationCount(&cparams, &count), 0,
"VbGetLocalizationCount()");
TEST_EQ(count, 3, " count");
VbApiKernelFree(&cparams);
}
/* Test display key checking */
static void DisplayKeyTest(void)
{
uint32_t u;
ResetMocks();
VbCheckDisplayKey(&cparams, 'q', &vnc);
TEST_EQ(*debug_info, '\0', "DisplayKey q = does nothing");
VbApiKernelFree(&cparams);
ResetMocks();
VbCheckDisplayKey(&cparams, '\t', &vnc);
TEST_NEQ(*debug_info, '\0', "DisplayKey tab = display");
VbApiKernelFree(&cparams);
/* Toggle localization */
ResetMocks();
VbNvSet(&vnc, VBNV_LOCALIZATION_INDEX, 0);
VbNvTeardown(&vnc);
VbCheckDisplayKey(&cparams, VB_KEY_DOWN, &vnc);
VbNvGet(&vnc, VBNV_LOCALIZATION_INDEX, &u);
TEST_EQ(u, 2, "DisplayKey up");
VbCheckDisplayKey(&cparams, VB_KEY_LEFT, &vnc);
VbNvGet(&vnc, VBNV_LOCALIZATION_INDEX, &u);
TEST_EQ(u, 1, "DisplayKey left");
VbCheckDisplayKey(&cparams, VB_KEY_RIGHT, &vnc);
VbNvGet(&vnc, VBNV_LOCALIZATION_INDEX, &u);
TEST_EQ(u, 2, "DisplayKey right");
VbCheckDisplayKey(&cparams, VB_KEY_UP, &vnc);
VbNvGet(&vnc, VBNV_LOCALIZATION_INDEX, &u);
TEST_EQ(u, 0, "DisplayKey up");
VbApiKernelFree(&cparams);
/* Reset localization if localization count is invalid */
ResetMocks();
VbNvSet(&vnc, VBNV_LOCALIZATION_INDEX, 1);
VbNvTeardown(&vnc);
bhdr->signature[0] ^= 0x5a;
VbCheckDisplayKey(&cparams, VB_KEY_UP, &vnc);
VbNvGet(&vnc, VBNV_LOCALIZATION_INDEX, &u);
TEST_EQ(u, 0, "DisplayKey invalid");
VbApiKernelFree(&cparams);
}
static void FontTest(void)
{
FontArrayHeader h;
FontArrayEntryHeader eh[3] = {
{
.ascii = 'A',
.info.original_size = 10,
},
{
.ascii = 'B',
.info.original_size = 20,
},
{
.ascii = 'C',
.info.original_size = 30,
},
};
FontArrayEntryHeader *eptr;
uint8_t buf[sizeof(h) + sizeof(eh)];
VbFont_t *fptr;
void *bufferptr;
uint32_t buffersize;
/* Create font data */
h.num_entries = ARRAY_SIZE(eh);
Memcpy(buf, &h, sizeof(h));
eptr = (FontArrayEntryHeader *)(buf + sizeof(h));
Memcpy(eptr, eh, sizeof(eh));
fptr = VbInternalizeFontData((FontArrayHeader *)buf);
TEST_PTR_EQ(fptr, buf, "Internalize");
TEST_PTR_EQ(VbFindFontGlyph(fptr, 'B', &bufferptr, &buffersize),
&eptr[1].info, "Glyph found");
TEST_EQ(buffersize, eptr[1].info.original_size, " size");
TEST_PTR_EQ(VbFindFontGlyph(fptr, 'X', &bufferptr, &buffersize),
&eptr[0].info, "Glyph not found");
TEST_EQ(buffersize, eptr[0].info.original_size, " size");
/* Test invalid rendering params */
VbRenderTextAtPos(NULL, 0, 0, 0, fptr);
VbRenderTextAtPos("ABC", 0, 0, 0, NULL);
VbDoneWithFontForNow(fptr);
}
int main(void)
{
DebugInfoTest();
LocalizationTest();
DisplayKeyTest();
FontTest();
return gTestSuccess ? 0 : 255;
}
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