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diff --git a/usth/ICT2.7/P4L2 Black-Box Testing Subtitles/12 - Partition Testing - lang_en_vs4.srt b/usth/ICT2.7/P4L2 Black-Box Testing Subtitles/12 - Partition Testing - lang_en_vs4.srt
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--- a/usth/ICT2.7/P4L2 Black-Box Testing Subtitles/12 - Partition Testing - lang_en_vs4.srt
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-1
-00:00:00,110 --> 00:00:02,570
-So let me use a slightly expanded version of this
-
-2
-00:00:02,570 --> 00:00:05,560
-grid. Although we're indeed looking at a needle in a haystack.
-
-3
-00:00:05,560 --> 00:00:09,560
-And failing inputs are generally sparse, very sparse, in the input
-
-4
-00:00:09,560 --> 00:00:12,890
-domain. However, they tend to be dense in some parts of
-
-5
-00:00:12,890 --> 00:00:15,860
-the domain. Like here or here. So how can we leverage
-
-6
-00:00:15,860 --> 00:00:18,920
-this? The fact that the failures are dense in some subdomains?
-
-7
-00:00:18,920 --> 00:00:22,290
-As it turns out, the domain is naturally split into partitions.
-
-8
-00:00:22,290 --> 00:00:25,340
-Where partitions are areas of the domain that are treated homogeneously
-
-9
-00:00:25,340 --> 00:00:28,070
-by the software. And this is what happens, that normally,
-
-10
-00:00:28,070 --> 00:00:31,020
-failures tend to be dense in this partitions. So the way
-
-11
-00:00:31,020 --> 00:00:34,000
-to leverage this characteristic of failures, is that we don't know
-
-12
-00:00:34,000 --> 00:00:36,950
-want to pick inputs randomly, in the input domain. Just here
-
-13
-00:00:36,950 --> 00:00:39,460
-and there. Rather we want to do two things. First we
-
-14
-00:00:39,460 --> 00:00:43,300
-want to identify partitions of our domain. And second we want
-
-15
-00:00:43,300 --> 00:00:46,950
-to select inputs from each partition. And by doing so, we
-
-16
-00:00:46,950 --> 00:00:50,300
-can dramatically increase our chances to reveal faults in the code.
-
-17
-00:00:50,300 --> 00:00:54,170
-So the name that is normally used for this process, is partition testing.