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package flamegraph
import "testing"
func TestFrameCoordToTargetRowKeepsUniformBarMapping(t *testing.T) {
frames := []tuiFrame{
{Name: "root", Row: 0, Col: 0, Width: 20, Path: "root"},
{Name: "a", Row: 1, Col: 0, Width: 20, Path: "root" + pathSeparator + "a"},
{Name: "b", Row: 2, Col: 0, Width: 20, Path: "root" + pathSeparator + "a" + pathSeparator + "b"},
{Name: "leaf", Row: 3, Col: 0, Width: 20, Path: "root" + pathSeparator + "a" + pathSeparator + "b" + pathSeparator + "leaf"},
}
availableRows := 8
params := computeRenderParamsForAvailableRows(frames, availableRows, false)
want := []int{3, 3, 2, 2, 1, 1, 0, 0}
for dataRow, expected := range want {
if got := frameCoordToTargetRow(dataRow, params); got != expected {
t.Fatalf("dataRow=%d: got row=%d want=%d", dataRow, got, expected)
}
}
}
func TestFrameCoordToTargetRowHeightMetricMapsExpandedLeafBand(t *testing.T) {
frames := []tuiFrame{
{Name: "root", Row: 0, Col: 0, Width: 20, Path: "root"},
{Name: "leaf", Row: 1, Col: 0, Width: 20, Path: "root" + pathSeparator + "leaf", HeightTotal: 100},
}
availableRows := 6
params := computeRenderParamsForAvailableRows(frames, availableRows, true)
want := []int{1, 1, 1, 1, 1, 0}
for dataRow, expected := range want {
if got := frameCoordToTargetRow(dataRow, params); got != expected {
t.Fatalf("dataRow=%d: got row=%d want=%d", dataRow, got, expected)
}
}
}
func TestFrameIndexAtHeightMetricMapsClicksInExpandedLeafBand(t *testing.T) {
frames := []tuiFrame{
{Name: "root", Row: 0, Col: 0, Width: 20, Path: "root"},
{Name: "leaf", Row: 1, Col: 0, Width: 20, Path: "root" + pathSeparator + "leaf", HeightTotal: 100},
}
for y := 1; y <= 5; y++ {
if got := frameIndexAt(frames, 10, y, 20, 9, false, true); got != 1 {
t.Fatalf("y=%d: expected leaf frame index 1, got %d", y, got)
}
}
if got := frameIndexAt(frames, 10, 6, 20, 9, false, true); got != 0 {
t.Fatalf("y=6: expected root frame index 0, got %d", got)
}
}
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