1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
describe :strscan_pos, shared: true do
before :each do
@s = StringScanner.new("This is a test")
end
it "returns the position of the scan pointer" do
@s.send(@method).should == 0
@s.scan_until(/This is/)
@s.send(@method).should == 7
@s.get_byte
@s.send(@method).should == 8
@s.terminate
@s.send(@method).should == 14
end
it "returns 0 in the reset position" do
@s.reset
@s.send(@method).should == 0
end
it "returns the length of the string in the terminate position" do
@s.terminate
@s.send(@method).should == @s.string.length
end
end
describe :strscan_pos_set, shared: true do
before :each do
@s = StringScanner.new("This is a test")
end
it "modify the scan pointer" do
@s.send(@method, 5)
@s.rest.should == "is a test"
end
it "positions from the end if the argument is negative" do
@s.send(@method, -2)
@s.rest.should == "st"
@s.pos.should == 12
end
it "raises a RangeError if position too far backward" do
lambda {
@s.send(@method, -20)
}.should raise_error(RangeError)
end
it "raises a RangeError when the passed argument is out of range" do
lambda { @s.send(@method, 20) }.should raise_error(RangeError)
end
end
|
