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package main
import (
"os/exec"
"strconv"
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"lib"
)
func main() {
execFatal := func(name string, arg ...string) string {
b, err := exec.Command(name, arg...).CombinedOutput()
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if _, ok := err.(*exec.ExitError); ok {
lib.Fatalf("%s\n", b)
} else {
lib.Fatalf("%s\n", err)
}
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return string(b)
}
// executes the test and compares student with solutions
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executeTest := func(name string, x, y int) {
var output, correct string
if x == 0 && y == 0 {
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output = execFatal("sh", "-c", name+" | ./raid3")
correct = execFatal("sh", "-c", name+" | raid3_prog")
} else {
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output = execFatal("sh", "-c", "./"+name+" "+strconv.Itoa(x)+" "+strconv.Itoa(y)+" | ./raid3")
correct = execFatal("sh", "-c", "./"+name+" "+strconv.Itoa(x)+" "+strconv.Itoa(y)+" | raid3_prog")
}
if output != correct {
lib.Fatalf("./%s %d %d | ./raid3 prints %q instead of %q\n",
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name, x, y, output, correct)
}
}
// testing all raids1
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names := []string{"raid1a", "raid1b", "raid1c", "raid1d", "raid1e"}
for _, name := range names {
x := lib.RandIntBetween(1, 50)
y := lib.RandIntBetween(1, 50)
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executeTest(name, x, y)
}
// testing special case AA, AC, A, A
// A C
executeTest("raid1e", 2, 1)
executeTest("raid1c", 2, 1)
executeTest("raid1d", 1, 2)
executeTest("raid1e", 1, 2)
executeTest("raid1e", 1, 1)
executeTest("echo", 0, 0)
}