test: Use ut_asserteq_mem() where possible

Quite a few tests still use ut_assertok(memcmp(...)) and variants. Modify
them to use the macro designed for this purpose.

Suggested-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>

11 files changed, 112 insertions, 102 deletions

diff --git a/test/compression.c b/test/compression.c
index ad719ddb4d..a2a4b9ff9e 100644
--- a/test/compression.c
+++ b/test/compression.c
@@ -164,7 +164,7 @@ static int compress_using_bzip2(struct unit_test_state *uts,
 {
 	/* There is no bzip2 compression in u-boot, so fake it. */
 	ut_asserteq(in_size, strlen(plain));
-	ut_asserteq(0, memcmp(plain, in, in_size));
+	ut_asserteq_mem(plain, in, in_size);
 
 	if (bzip2_compressed_size > out_max)
 		return -1;
@@ -199,7 +199,7 @@ static int compress_using_lzma(struct unit_test_state *uts,
 {
 	/* There is no lzma compression in u-boot, so fake it. */
 	ut_asserteq(in_size,  strlen(plain));
-	ut_asserteq(0, memcmp(plain, in, in_size));
+	ut_asserteq_mem(plain, in, in_size);
 
 	if (lzma_compressed_size > out_max)
 		return -1;
@@ -233,7 +233,7 @@ static int compress_using_lzo(struct unit_test_state *uts,
 {
 	/* There is no lzo compression in u-boot, so fake it. */
 	ut_asserteq(in_size,  strlen(plain));
-	ut_asserteq(0, memcmp(plain, in, in_size));
+	ut_asserteq_mem(plain, in, in_size);
 
 	if (lzo_compressed_size > out_max)
 		return -1;
@@ -268,7 +268,7 @@ static int compress_using_lz4(struct unit_test_state *uts,
 {
 	/* There is no lz4 compression in u-boot, so fake it. */
 	ut_asserteq(in_size,  strlen(plain));
-	ut_asserteq(0, memcmp(plain, in, in_size));
+	ut_asserteq_mem(plain, in, in_size);
 
 	if (lz4_compressed_size > out_max)
 		return -1;
diff --git a/test/dm/acpi.c b/test/dm/acpi.c
index 176d207a55..4c46dd83a6 100644
--- a/test/dm/acpi.c
+++ b/test/dm/acpi.c
@@ -218,20 +218,20 @@ static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
 
 	rsdp = buf + 16;
 	ut_asserteq_ptr(rsdp, ctx.rsdp);
-	ut_assertok(memcmp(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature)));
+	ut_asserteq_mem(RSDP_SIG, rsdp->signature, sizeof(rsdp->signature));
 	ut_asserteq(sizeof(*rsdp), rsdp->length);
 	ut_assertok(table_compute_checksum(rsdp, 20));
 	ut_assertok(table_compute_checksum(rsdp, sizeof(*rsdp)));
 
 	rsdt = PTR_ALIGN((void *)rsdp + sizeof(*rsdp), 16);
 	ut_asserteq_ptr(rsdt, ctx.rsdt);
-	ut_assertok(memcmp("RSDT", rsdt->header.signature, ACPI_NAME_LEN));
+	ut_asserteq_mem("RSDT", rsdt->header.signature, ACPI_NAME_LEN);
 	ut_asserteq(sizeof(*rsdt), rsdt->header.length);
 	ut_assertok(table_compute_checksum(rsdt, sizeof(*rsdt)));
 
 	xsdt = PTR_ALIGN((void *)rsdt + sizeof(*rsdt), 16);
 	ut_asserteq_ptr(xsdt, ctx.xsdt);
-	ut_assertok(memcmp("XSDT", xsdt->header.signature, ACPI_NAME_LEN));
+	ut_asserteq_mem("XSDT", xsdt->header.signature, ACPI_NAME_LEN);
 	ut_asserteq(sizeof(*xsdt), xsdt->header.length);
 	ut_assertok(table_compute_checksum(xsdt, sizeof(*xsdt)));
 
diff --git a/test/dm/axi.c b/test/dm/axi.c
index 289f07a08a..e1155a51dd 100644
--- a/test/dm/axi.c
+++ b/test/dm/axi.c
@@ -66,11 +66,11 @@ static int dm_test_axi_store(struct unit_test_state *uts)
 	/* Test writing */
 	val = 0x55667788;
 	axi_write(store, 0, &val, AXI_SIZE_32);
-	ut_asserteq(0, memcmp(data, tdata1, ARRAY_SIZE(tdata1)));
+	ut_asserteq_mem(data, tdata1, ARRAY_SIZE(tdata1));
 
 	val = 0xaabbccdd;
 	axi_write(store, 3, &val, AXI_SIZE_32);
-	ut_asserteq(0, memcmp(data + 3, tdata2, ARRAY_SIZE(tdata1)));
+	ut_asserteq_mem(data + 3, tdata2, ARRAY_SIZE(tdata1));
 
 	return 0;
 }
diff --git a/test/dm/dma.c b/test/dm/dma.c
index 12cba57a56..317ed4fe8c 100644
--- a/test/dm/dma.c
+++ b/test/dm/dma.c
@@ -30,8 +30,8 @@ static int dm_test_dma_m2m(struct unit_test_state *uts)
 		src_buf[i] = i;
 
 	ut_assertok(dma_memcpy(dst_buf, src_buf, len));
+	ut_asserteq_mem(src_buf, dst_buf, len);
 
-	ut_assertok(memcmp(src_buf, dst_buf, len));
 	return 0;
 }
 DM_TEST(dm_test_dma_m2m, DM_TESTF_SCAN_FDT);
@@ -72,7 +72,7 @@ static int dm_test_dma(struct unit_test_state *uts)
 
 	ut_assertok(dma_free(&dma_tx));
 	ut_assertok(dma_free(&dma_rx));
-	ut_assertok(memcmp(src_buf, dst_buf, len));
+	ut_asserteq_mem(src_buf, dst_buf, len);
 
 	return 0;
 }
@@ -117,7 +117,7 @@ static int dm_test_dma_rx(struct unit_test_state *uts)
 
 	ut_assertok(dma_free(&dma_tx));
 	ut_assertok(dma_free(&dma_rx));
-	ut_assertok(memcmp(src_buf, dst_buf, len));
+	ut_asserteq_mem(src_buf, dst_buf, len);
 
 	return 0;
 }
diff --git a/test/dm/eth.c b/test/dm/eth.c
index 99c1672b99..1fddcaabb0 100644
--- a/test/dm/eth.c
+++ b/test/dm/eth.c
@@ -282,17 +282,17 @@ static int sb_check_arp_reply(struct udevice *dev, void *packet,
 	ut_assert(arp_is_waiting());
 
 	/* Validate response */
-	ut_assert(memcmp(eth->et_src, net_ethaddr, ARP_HLEN) == 0);
-	ut_assert(memcmp(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN) == 0);
+	ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
+	ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
 	ut_assert(eth->et_protlen == htons(PROT_ARP));
 
 	ut_assert(arp->ar_hrd == htons(ARP_ETHER));
 	ut_assert(arp->ar_pro == htons(PROT_IP));
 	ut_assert(arp->ar_hln == ARP_HLEN);
 	ut_assert(arp->ar_pln == ARP_PLEN);
-	ut_assert(memcmp(&arp->ar_sha, net_ethaddr, ARP_HLEN) == 0);
+	ut_asserteq_mem(&arp->ar_sha, net_ethaddr, ARP_HLEN);
 	ut_assert(net_read_ip(&arp->ar_spa).s_addr == net_ip.s_addr);
-	ut_assert(memcmp(&arp->ar_tha, priv->fake_host_hwaddr, ARP_HLEN) == 0);
+	ut_asserteq_mem(&arp->ar_tha, priv->fake_host_hwaddr, ARP_HLEN);
 	ut_assert(net_read_ip(&arp->ar_tpa).s_addr ==
 		  string_to_ip("1.1.2.4").s_addr);
 
@@ -373,8 +373,8 @@ static int sb_check_ping_reply(struct udevice *dev, void *packet,
 	ut_assert(arp_is_waiting());
 
 	/* Validate response */
-	ut_assert(memcmp(eth->et_src, net_ethaddr, ARP_HLEN) == 0);
-	ut_assert(memcmp(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN) == 0);
+	ut_asserteq_mem(eth->et_src, net_ethaddr, ARP_HLEN);
+	ut_asserteq_mem(eth->et_dest, priv->fake_host_hwaddr, ARP_HLEN);
 	ut_assert(eth->et_protlen == htons(PROT_IP));
 
 	ut_assert(net_read_ip(&ip->ip_src).s_addr == net_ip.s_addr);
diff --git a/test/dm/i2c.c b/test/dm/i2c.c
index cadbb43b9e..2025c4216d 100644
--- a/test/dm/i2c.c
+++ b/test/dm/i2c.c
@@ -51,10 +51,10 @@ static int dm_test_i2c_read_write(struct unit_test_state *uts)
 	ut_assertok(uclass_get_device_by_seq(UCLASS_I2C, busnum, &bus));
 	ut_assertok(i2c_get_chip(bus, chip, 1, &dev));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0\0\0\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0\0\0\0", sizeof(buf));
 	ut_assertok(dm_i2c_write(dev, 2, (uint8_t *)"AB", 2));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0AB\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0AB\0", sizeof(buf));
 
 	return 0;
 }
@@ -123,7 +123,7 @@ static int dm_test_i2c_bytewise(struct unit_test_state *uts)
 	ut_assertok(uclass_get_device_by_seq(UCLASS_I2C, busnum, &bus));
 	ut_assertok(i2c_get_chip(bus, chip, 1, &dev));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0\0\0\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0\0\0\0", sizeof(buf));
 
 	/* Tell the EEPROM to only read/write one register at a time */
 	ut_assertok(uclass_first_device(UCLASS_I2C_EMUL, &eeprom));
@@ -132,34 +132,34 @@ static int dm_test_i2c_bytewise(struct unit_test_state *uts)
 
 	/* Now we only get the first byte - the rest will be 0xff */
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\xff\xff\xff\xff", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\xff\xff\xff\xff", sizeof(buf));
 
 	/* If we do a separate transaction for each byte, it works */
 	ut_assertok(i2c_set_chip_flags(dev, DM_I2C_CHIP_RD_ADDRESS));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0\0\0\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0\0\0\0", sizeof(buf));
 
 	/* This will only write A */
 	ut_assertok(i2c_set_chip_flags(dev, 0));
 	ut_assertok(dm_i2c_write(dev, 2, (uint8_t *)"AB", 2));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\xff\xff\xff\xff", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\xff\xff\xff\xff", sizeof(buf));
 
 	/* Check that the B was ignored */
 	ut_assertok(i2c_set_chip_flags(dev, DM_I2C_CHIP_RD_ADDRESS));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0A\0\0\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0A\0\0\0", sizeof(buf));
 
 	/* Now write it again with the new flags, it should work */
 	ut_assertok(i2c_set_chip_flags(dev, DM_I2C_CHIP_WR_ADDRESS));
 	ut_assertok(dm_i2c_write(dev, 2, (uint8_t *)"AB", 2));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\xff\xff\xff\xff", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\xff\xff\xff\xff", sizeof(buf));
 
 	ut_assertok(i2c_set_chip_flags(dev, DM_I2C_CHIP_WR_ADDRESS |
 						DM_I2C_CHIP_RD_ADDRESS));
 	ut_assertok(dm_i2c_read(dev, 0, buf, 5));
-	ut_assertok(memcmp(buf, "\0\0AB\0\0", sizeof(buf)));
+	ut_asserteq_mem(buf, "\0\0AB\0\0", sizeof(buf));
 
 	/* Restore defaults */
 	sandbox_i2c_eeprom_set_test_mode(eeprom, SIE_TEST_MODE_NONE);
diff --git a/test/dm/misc.c b/test/dm/misc.c
index 4d4232adf1..26fd6acecb 100644
--- a/test/dm/misc.c
+++ b/test/dm/misc.c
@@ -25,24 +25,24 @@ static int dm_test_misc(struct unit_test_state *uts)
 	ut_asserteq(5, misc_write(dev, 4, "WRITE", 5));
 	ut_asserteq(9, misc_read(dev, 0, buf, 9));
 
-	ut_assertok(memcmp(buf, "TESTWRITE", 9));
+	ut_asserteq_mem(buf, "TESTWRITE", 9);
 
 	/* Call tests */
 
 	id = 0;
 	ut_assertok(misc_call(dev, 0, &id, 4, buf, 16));
-	ut_assertok(memcmp(buf, "Zero", 4));
+	ut_asserteq_mem(buf, "Zero", 4);
 
 	id = 2;
 	ut_assertok(misc_call(dev, 0, &id, 4, buf, 16));
-	ut_assertok(memcmp(buf, "Two", 3));
+	ut_asserteq_mem(buf, "Two", 3);
 
 	ut_assertok(misc_call(dev, 1, &id, 4, buf, 16));
-	ut_assertok(memcmp(buf, "Forty-two", 9));
+	ut_asserteq_mem(buf, "Forty-two", 9);
 
 	id = 1;
 	ut_assertok(misc_call(dev, 1, &id, 4, buf, 16));
-	ut_assertok(memcmp(buf, "Forty-one", 9));
+	ut_asserteq_mem(buf, "Forty-one", 9);
 
 	/* IOCTL tests */
 
diff --git a/test/dm/osd.c b/test/dm/osd.c
index 6910690b3a..5739dfa0b8 100644
--- a/test/dm/osd.c
+++ b/test/dm/osd.c
@@ -71,27 +71,29 @@ static int dm_test_osd_basics(struct unit_test_state *uts)
 	ut_assertok(sandbox_osd_get_mem(dev, mem, memsize));
 	split(mem, memsize / 2, text, colors);
 
-	ut_assertok(memcmp(text, "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          ", memsize / 2));
-
-	ut_assertok(memcmp(colors, "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk", memsize / 2));
+	ut_asserteq_mem(text,
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          ", memsize / 2);
+
+	ut_asserteq_mem(colors,
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk", memsize / 2);
 
 	print_mem(mem, 10, 10);
 
@@ -100,27 +102,29 @@ static int dm_test_osd_basics(struct unit_test_state *uts)
 	ut_assertok(sandbox_osd_get_mem(dev, mem, memsize));
 	split(mem, memsize / 2, text, colors);
 
-	ut_assertok(memcmp(text, "          "
-				 " Blah     "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          "
-				 "          ", memsize / 2));
-
-	ut_assertok(memcmp(colors, "kkkkkkkkkk"
-				   "krrrrkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk"
-				   "kkkkkkkkkk", memsize / 2));
+	ut_asserteq_mem(text,
+			"          "
+			" Blah     "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          "
+			"          ", memsize / 2);
+
+	ut_asserteq_mem(colors,
+			"kkkkkkkkkk"
+			"krrrrkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk"
+			"kkkkkkkkkk", memsize / 2);
 
 	print_mem(mem, 10, 10);
 
@@ -152,17 +156,19 @@ static int dm_test_osd_extended(struct unit_test_state *uts)
 	ut_assertok(sandbox_osd_get_mem(dev, mem, memsize));
 	split(mem, memsize / 2, text, colors);
 
-	ut_assertok(memcmp(text, "                    "
-				 "                    "
-				 "                    "
-				 "                    "
-				 "                    ", memsize / 2));
+	ut_asserteq_mem(text,
+			"                    "
+			"                    "
+			"                    "
+			"                    "
+			"                    ", memsize / 2);
 
-	ut_assertok(memcmp(colors, "kkkkkkkkkkkkkkkkkkkk"
-				   "kkkkkkkkkkkkkkkkkkkk"
-				   "kkkkkkkkkkkkkkkkkkkk"
-				   "kkkkkkkkkkkkkkkkkkkk"
-				   "kkkkkkkkkkkkkkkkkkkk", memsize / 2));
+	ut_asserteq_mem(colors,
+			"kkkkkkkkkkkkkkkkkkkk"
+			"kkkkkkkkkkkkkkkkkkkk"
+			"kkkkkkkkkkkkkkkkkkkk"
+			"kkkkkkkkkkkkkkkkkkkk"
+			"kkkkkkkkkkkkkkkkkkkk", memsize / 2);
 
 	print_mem(mem, 20, 5);
 
@@ -192,17 +198,19 @@ static int dm_test_osd_extended(struct unit_test_state *uts)
 
 	print_mem(mem, 20, 5);
 
-	ut_assertok(memcmp(text, "+---- OSD menu ----+"
-				 "|  *  Entry 1      |"
-				 "| (*) Entry 2      |"
-				 "|  *  Entry 3      |"
-				 "+------------------+", memsize / 2));
-
-	ut_assertok(memcmp(colors, "gggggggggggggggggggg"
-				   "gkbbbbbbbbbbbkkkkkkg"
-				   "gkbbbbbbbbbbbkkkkkkg"
-				   "gkbbbbbbbbbbbkkkkkkg"
-				   "gggggggggggggggggggg", memsize / 2));
+	ut_asserteq_mem(text,
+			"+---- OSD menu ----+"
+			"|  *  Entry 1      |"
+			"| (*) Entry 2      |"
+			"|  *  Entry 3      |"
+			 "+------------------+", memsize / 2);
+
+	ut_asserteq_mem(colors,
+			"gggggggggggggggggggg"
+			"gkbbbbbbbbbbbkkkkkkg"
+			"gkbbbbbbbbbbbkkkkkkg"
+			"gkbbbbbbbbbbbkkkkkkg"
+			"gggggggggggggggggggg", memsize / 2);
 
 	return 0;
 }
diff --git a/test/dm/remoteproc.c b/test/dm/remoteproc.c
index 40675962d8..9511c7dd6f 100644
--- a/test/dm/remoteproc.c
+++ b/test/dm/remoteproc.c
@@ -223,7 +223,7 @@ static int dm_test_remoteproc_elf(struct unit_test_state *uts)
 
 	/* Load firmware in loaded_firmware, and verify it */
 	ut_assertok(rproc_elf32_load_image(dev, (ulong)valid_elf32, size));
-	ut_assertok(memcmp(loaded_firmware, valid_elf32, loaded_firmware_size));
+	ut_asserteq_mem(loaded_firmware, valid_elf32, loaded_firmware_size);
 	ut_asserteq(rproc_elf_get_boot_addr(dev, (unsigned long)valid_elf32),
 		    0x08000000);
 	unmap_physmem(loaded_firmware, MAP_NOCACHE);
@@ -243,8 +243,8 @@ static int dm_test_remoteproc_elf(struct unit_test_state *uts)
 					       &rsc_addr, &rsc_size));
 	ut_asserteq(rsc_addr, CONFIG_SYS_SDRAM_BASE);
 	ut_asserteq(rsc_size, rsc_table_size);
-	ut_assertok(memcmp(loaded_firmware, valid_elf32 + shdr->sh_offset,
-			   shdr->sh_size));
+	ut_asserteq_mem(loaded_firmware, valid_elf32 + shdr->sh_offset,
+			shdr->sh_size);
 	unmap_physmem(loaded_firmware, MAP_NOCACHE);
 
 	/* Invalid ELF Magic */
diff --git a/test/dm/sf.c b/test/dm/sf.c
index 7805af740e..55b8d1545f 100644
--- a/test/dm/sf.c
+++ b/test/dm/sf.c
@@ -35,7 +35,7 @@ static int dm_test_spi_flash(struct unit_test_state *uts)
 
 	dst = map_sysmem(0x20000 + full_size, full_size);
 	ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
-	ut_assertok(memcmp(src, dst, size));
+	ut_asserteq_mem(src, dst, size);
 
 	/* Erase */
 	ut_assertok(spi_flash_erase_dm(dev, 0, size));
@@ -48,7 +48,7 @@ static int dm_test_spi_flash(struct unit_test_state *uts)
 		src[i] = i;
 	ut_assertok(spi_flash_write_dm(dev, 0, size, src));
 	ut_assertok(spi_flash_read_dm(dev, 0, size, dst));
-	ut_assertok(memcmp(src, dst, size));
+	ut_asserteq_mem(src, dst, size);
 
 	/* Try the write-protect stuff */
 	ut_assertok(uclass_first_device_err(UCLASS_SPI_EMUL, &emul));
diff --git a/test/unicode_ut.c b/test/unicode_ut.c
index 5f932bffd3..26d96336f3 100644
--- a/test/unicode_ut.c
+++ b/test/unicode_ut.c
@@ -67,8 +67,9 @@ static int unicode_test_u16_strdup(struct unit_test_state *uts)
 	u16 *copy = u16_strdup(c4);
 
 	ut_assert(copy != c4);
-	ut_assert(!memcmp(copy, c4, sizeof(c4)));
+	ut_asserteq_mem(copy, c4, sizeof(c4));
 	free(copy);
+
 	return 0;
 }
 UNICODE_TEST(unicode_test_u16_strdup);
@@ -80,7 +81,8 @@ static int unicode_test_u16_strcpy(struct unit_test_state *uts)
 
 	r = u16_strcpy(copy, c1);
 	ut_assert(r == copy);
-	ut_assert(!memcmp(copy, c1, sizeof(c1)));
+	ut_asserteq_mem(copy, c1, sizeof(c1));
+
 	return 0;
 }
 UNICODE_TEST(unicode_test_u16_strcpy);