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add resize factor checks #52

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add resize factor checks #52

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15 changes: 15 additions & 0 deletions cs50/2017/fall/resize/less/check50/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,21 @@ def exists(self):
def compiles(self):
"""resize.c compiles."""
self.spawn("clang -std=c11 -o resize resize.c -lm -lcs50").exit(0)

@check("compiles")
def negfactor(self):
"""rejects a negative factor"""
self.spawn("./resize -1 small.bmp outfile.bmp").exit(1)

@check("compiles")
def zerofactor(self):
"""rejects a factor of zero"""
self.spawn("./resize 0 small.bmp outfile.bmp").exit(1)

@check("compiles")
def toolargefactor(self):
"""rejects a factor > 100"""
self.spawn("./resize 101 small.bmp outfile.bmp").exit(1)

@check("compiles")
def small_1(self):
Expand Down