; test harness for int_to_string
; Registers:
; r8 - test address
; r9 - test method
; r12 - end of tests address
li r8, tests
li r12, end_of_tests
next_test:
; Set up arguments and run test
load_32 r1, [r8]        ; Input value
li r2, scratch          ; Output buffer
mov r3, 64              ; Output buffer size
add r4, r8, 4           ; Base
load_8 r4, [r4]
mov r13, itoa_test_ret  ; return address
jmp stdlib.int_to_string.auto
itoa_test_ret:

; Strcmp to check results
add r1, r8, 5           ; expected output
li r2, scratch          ; actual output
mov r13, itoa_strcmp_ret
jmp stdlib.string.compare
itoa_strcmp_ret:

; Verify results
halt.ne

; Next test
add r8, r8, 0x40
cmp r8, r12
jl next_test

; Done
halt

include ../src/stdlib

@0x20000
tests:
; inlen is the number of input bytes the function is expected to consume
; addr   int            base  result
@0x20000 U32 0b0        U8 2  "0\0"
@0x20040 U32 0xFFFFFFFF U8 2  "11111111111111111111111111111111\0"
@0x20080 U32 0b101010   U8 2  "101010\0"
@0x200c0
end_of_tests:
scratch: U1024 0