Noah Petherbridge
2b42a072a0
* All private Doodle source code into the pkg/ folder. * Potentially public code into the lib/ folder. * Centralize the logger into a subpackage.
72 lines
1.3 KiB
Go
72 lines
1.3 KiB
Go
package render_test
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import (
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"strconv"
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"testing"
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"git.kirsle.net/apps/doodle/lib/render"
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)
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func TestIntersection(t *testing.T) {
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newRect := func(x, y, w, h int) render.Rect {
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return render.Rect{
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X: int32(x),
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Y: int32(y),
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W: int32(w),
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H: int32(h),
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}
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}
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type TestCase struct {
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A render.Rect
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B render.Rect
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Expect bool
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}
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var tests = []TestCase{
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{
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A: newRect(0, 0, 1000, 1000),
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B: newRect(200, 200, 100, 100),
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Expect: true,
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},
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{
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A: newRect(200, 200, 100, 100),
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B: newRect(0, 0, 1000, 1000),
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Expect: true,
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},
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{
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A: newRect(0, 0, 100, 100),
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B: newRect(100, 0, 100, 100),
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Expect: true,
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},
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{
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A: newRect(0, 0, 99, 99),
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B: newRect(100, 0, 99, 99),
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Expect: false,
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},
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{
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// Real coords of a test doodad!
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A: newRect(183, 256, 283, 356),
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B: newRect(0, -232, 874, 490),
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Expect: true,
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},
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{
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A: newRect(183, 256, 283, 356),
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B: newRect(0, -240, 874, 490),
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Expect: false, // XXX: must be true
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},
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}
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for _, test := range tests {
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actual := test.A.Intersects(test.B)
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if actual != test.Expect {
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t.Errorf(
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"%s collision with %s: expected %s, got %s",
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test.A,
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test.B,
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strconv.FormatBool(test.Expect),
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strconv.FormatBool(actual),
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)
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}
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}
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}
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