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created rectangle struct and IsRect()

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defined what a rectangle is and also implemented IsRect(), which returns
a bool whether the coordinates given make a rectangle or not.  Tests
were written for IsRect()
This commit is contained in:
dm
2016-08-26 09:08:30 -07:00
parent 56f8910a4e
commit b5a9726d2d
4 changed files with 89 additions and 0 deletions
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rectangle_test.go
+29
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@@ -0,0 +1,29 @@
package rect
import "testing"
func TestIsRect(t *testing.T) {
var isRectTests = []struct {
r Rectangle
expected bool
}{
{Rectangle{P1: Point{1, 1}, P2: Point{1, 2}, P3: Point{2, 1}, P4: Point{2, 2}}, true},
{Rectangle{P1: Point{0, 0}, P2: Point{0, 1}, P3: Point{1, 0}, P4: Point{1, 1}}, true},
{Rectangle{P1: Point{0, 0}, P2: Point{0, -1}, P3: Point{-1, 0}, P4: Point{-1, -1}}, true},
{Rectangle{P1: Point{1.5, 1.5}, P2: Point{1.5, 3.5}, P3: Point{3.5, 1.5}, P4: Point{3.5, 3.5}}, true},
{Rectangle{P1: Point{0, 0}, P2: Point{0, 3}, P3: Point{2, 0}, P4: Point{2, 3}}, true},
{Rectangle{P1: Point{0, 0}, P2: Point{0, 100}, P3: Point{-1, 0}, P4: Point{0, 23}}, false},
{Rectangle{P1: Point{0, 0}, P2: Point{0, 0}, P3: Point{0, 0}, P4: Point{0, 0}}, false},
}
for _, rt := range isRectTests {
actual := rt.r.IsRect()
if actual != rt.expected {
t.Errorf(
"failed spiral:\n\texpected: %d\n\t actual: %d",
rt.expected,
actual,
)
}
}
}