Add tests for little endian core I/O

Signed-off-by: Janos Follath <janos.follath@arm.com>
diff --git a/tests/suites/test_suite_mpi.data b/tests/suites/test_suite_mpi.data
index 5441493..30447a6 100644
--- a/tests/suites/test_suite_mpi.data
+++ b/tests/suites/test_suite_mpi.data
@@ -139,6 +139,63 @@
 Test mbedtls_mpi_core_io_be #18 (buffer too small, input unaligned)
 mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:12:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
 
+Test mbedtls_mpi_core_io_le #1 (Buffer and limbs just fit, input limb-aligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:12:0:0
+
+Test mbedtls_mpi_core_io_le #2  (Buffer and limbs just fit, input unaligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:12:0:0
+
+Test mbedtls_mpi_core_io_le #3 (Buffer just fits, extra limbs, input limb-aligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:14:0:0
+
+Test mbedtls_mpi_core_io_le #4 (Buffer just fits, extra limbs, input unaligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:14:0:0
+
+Test mbedtls_mpi_core_io_le #5 (Extra limbs, buffer aligned to extra limbs, input limb-aligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":112:14:0:0
+
+Test mbedtls_mpi_core_io_le #6 (Extra limbs, buffer aligned to extra limbs, input unaligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":112:14:0:0
+
+Test mbedtls_mpi_core_io_le #7 (Buffer and limbs just fit, input limb-aligned with leading zeroes)
+mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:12:0:0
+
+Test mbedtls_mpi_core_io_le #8 (Buffer and limbs just fit, input unaligned with leading zeroes)
+mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:12:0:0
+
+Test mbedtls_mpi_core_io_le #9 (Buffer just fits, extra limbs, input limb-aligned with leading zeroes)
+mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:14:0:0
+
+Test mbedtls_mpi_core_io_le #10 (Buffer just fits, extra limbs, input unaligned with leading zeroes)
+mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:14:0:0
+
+Test mbedtls_mpi_core_io_le #11 (Zero)
+mbedtls_mpi_core_io_le:"00":1:1:0:0
+
+Test mbedtls_mpi_core_io_le #12 (Zero, empty output)
+mbedtls_mpi_core_io_le:"00":0:1:0:0
+
+Test mbedtls_mpi_core_io_le #13 (Zero, empty input)
+mbedtls_mpi_core_io_le:"":1:1:0:0
+
+Test mbedtls_mpi_core_io_le #14 (One)
+mbedtls_mpi_core_io_le:"01":1:1:0:0
+
+Test mbedtls_mpi_core_io_le #14 (One limb)
+mbedtls_mpi_core_io_le:"00000000000000ff":8:1:0:0
+
+Test mbedtls_mpi_core_io_le #15 (not enough limbs, input limb-aligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:11:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
+
+Test mbedtls_mpi_core_io_le #16 (not enough limbs, input unaligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:11:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
+
+Test mbedtls_mpi_core_io_le #17 (buffer too small, input limb-aligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":95:12:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
+
+Test mbedtls_mpi_core_io_le #18 (buffer too small, input unaligned)
+mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:12:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
+
 Base test mbedtls_mpi_read_binary #1
 mbedtls_mpi_read_binary:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":"0941379D00FED1491FE15DF284DFDE4A142F68AA8D412023195CEE66883E6290FFE703F4EA5963BF212713CEE46B107C09182B5EDCD955ADAC418BF4918E2889AF48E1099D513830CEC85C26AC1E158B52620E33BA8692F893EFBB2F958B4424"