Add tests for umask_get() and umask_set()

src/core.asm

@@ -182,7 +182,7 @@ clampu:
 
 ;----- umask_set(umask) -----;
 ; Sets umask
-; Return value: Return value of syscall sys_umask
+; Return value: Return value of syscall sys_umask (old value of umask)
 ; Used registers:
 ;	rax*	syscall >> (ret)
 ;	rdi	umask to set

src/tests.asm

@@ -108,6 +108,7 @@ section .rodata
 	TEST_maxu		equ	1
 	TEST_clamp		equ	1
 	TEST_clampu		equ	1
+	TEST_umask		equ	1
 	;console.asm
 	TEST_print		equ	1
 	TEST_puts		equ	1
@@ -218,6 +219,14 @@ section .rodata
 	addTest(clampu2, "clampu(0, 1, 1000)")
 	addTest(clampu3, "clampu(1337, 1, 1000)")
 	addTest(clampu4, "clampu(MAX_UINT64, 0, MAX_UINT32)")
+	;umask_set() / umask_get()
+	addTestHeader(_umask, "umask_[g|s]et")
+	addTest(umask1, "umask_get()")
+	addTest(umask2, "umask_set(0027q)")
+	addTest(umask3, "umask_get()")
+	addTest(umask4, "umask_set(0022q)")
+	addTest(umask5, "umask_get()")
+	addTest(umask6, "umask_get()") ;extra test to check if it wasn't changed
 	;print()
 	addTestHeader(_print, "print")
 	addTest(print1, "print(''Hello, world!\n'')")
@@ -687,6 +696,43 @@ _start:
 	assert_u_eq(MAX_UINT32)
 %endif
 
+;--- umask_set() / umask_get()
+%if TEST_umask
+	printTestHeader(_umask)
+
+	; TEST 1
+	printTest(umask1)
+	call	umask_get
+	assert_u_eq(0022q) ;Bad test, since umask could be different.
+
+	; TEST 2
+	printTest(umask2)
+	mov	rdi, 0027q
+	call	umask_set
+	assert_u_eq(0022q)
+
+	; TEST 3
+	printTest(umask3)
+	call	umask_get
+	assert_u_eq(0027q)
+
+	; TEST 4
+	printTest(umask4)
+	mov	rdi, 0022q
+	call	umask_set
+	assert_u_eq(0027q)
+
+	; TEST 5
+	printTest(umask5)
+	call	umask_get
+	assert_u_eq(0022q)
+
+	; TEST 6
+	printTest(umask6)
+	call	umask_get
+	assert_u_eq(0022q)
+%endif
+
 ;--- print()
 %if TEST_print
 	printTestHeader(_print)