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MutRange advance() tests.

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cheatfate 2018-08-28 13:12:03 +03:00
parent 6efa5b365a
commit 1e8fff3854
1 changed files with 55 additions and 2 deletions
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57
tests/ttypedranges.nim
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@ -103,7 +103,7 @@ suite "Typed ranges":
var a = toRange(@[1,2,3]) var a = toRange(@[1,2,3])
check $a.toOpenArray == "[1, 2, 3]" check $a.toOpenArray == "[1, 2, 3]"
test "tryAdvance": test "tryAdvance(Range)":
var a: Range[int] var a: Range[int]
check: check:
a.tryAdvance(1) == false a.tryAdvance(1) == false
@ -124,7 +124,7 @@ suite "Typed ranges":
b.tryAdvance(1) == false b.tryAdvance(1) == false
$b.toOpenArray == "[]" $b.toOpenArray == "[]"
test "advance": test "advance(Range)":
template aecheck(a, b): int = template aecheck(a, b): int =
var res = 0 var res = 0
try: try:
@ -153,3 +153,56 @@ suite "Typed ranges":
$b.toOpenArray == "[]" $b.toOpenArray == "[]"
b.aecheck(1) == 2 b.aecheck(1) == 2
$b.toOpenArray == "[]" $b.toOpenArray == "[]"
test "tryAdvance(MutRange)":
var a: MutRange[int]
check:
a.tryAdvance(1) == false
a.tryAdvance(-1) == false
a.tryAdvance(0) == true
var buf = @[1, 2, 3]
var b = toRange(buf)
check:
b.tryAdvance(-1) == false
$b.toOpenArray == "[1, 2, 3]"
b.tryAdvance(0) == true
$b.toOpenArray == "[1, 2, 3]"
b.tryAdvance(1) == true
$b.toOpenArray == "[2, 3]"
b.tryAdvance(1) == true
$b.toOpenArray == "[3]"
b.tryAdvance(1) == true
$b.toOpenArray == "[]"
b.tryAdvance(1) == false
$b.toOpenArray == "[]"
test "advance(MutRange)":
template aecheck(a, b): int =
var res = 0
try:
a.advance(b)
res = 1
except IndexError:
res = 2
res
var a: MutRange[int]
check:
a.aecheck(1) == 2
a.aecheck(-1) == 2
a.aecheck(0) == 1
var buf = @[1, 2, 3]
var b = toRange(buf)
check:
b.aecheck(-1) == 2
$b.toOpenArray == "[1, 2, 3]"
b.aecheck(0) == 1
$b.toOpenArray == "[1, 2, 3]"
b.aecheck(1) == 1
$b.toOpenArray == "[2, 3]"
b.aecheck(1) == 1
$b.toOpenArray == "[3]"
b.aecheck(1) == 1
$b.toOpenArray == "[]"
b.aecheck(1) == 2
$b.toOpenArray == "[]"