26 lines
577 B
Go
26 lines
577 B
Go
package rect
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import "testing"
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func TestSizeTriangle(t *testing.T) {
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var sizeTriangleTests = []struct {
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pts []Point
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expected float64
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}{
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{[]Point{Point{-2, 3}, Point{-3, -1}, Point{3, -2}}, 12.5},
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{[]Point{Point{0, 0}, Point{1, 1}, Point{0, 1}}, 0.5},
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{[]Point{Point{10, 14}, Point{20, 15}, Point{12, 52}}, 189},
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}
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for _, rt := range sizeTriangleTests {
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actual := sizeTriangle(rt.pts[0], rt.pts[1], rt.pts[2])
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if actual != rt.expected {
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t.Errorf(
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"failed sizeTriangle:\n\texpected: %f\n\t actual: %f",
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rt.expected,
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actual,
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)
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}
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}
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}
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