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feat(bridge): Return sensible error messages from bridge and test that patches that should fail actually do.

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This commit is contained in:
Veikko Sariola
2020-12-05 21:55:49 +02:00
parent cd95c5ae37
commit 50ca02442d
2 changed files with 118 additions and 1 deletions
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95
go4k/bridge/bridge_test.go
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@ -67,3 +67,98 @@ func TestBridge(t *testing.T) {
}
}
}
func TestStackUnderflow(t *testing.T) {
patch := go4k.Patch{
Instruments: []go4k.Instrument{
go4k.Instrument{1, []go4k.Unit{
go4k.Unit{"pop", map[string]int{}},
}}},
SampleOffsets: []go4k.SampleOffset{},
DelayTimes: []int{}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = go4k.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to stack underflow")
}
}
func TestStackBalancing(t *testing.T) {
patch := go4k.Patch{
Instruments: []go4k.Instrument{
go4k.Instrument{1, []go4k.Unit{
go4k.Unit{"push", map[string]int{}},
}}},
SampleOffsets: []go4k.SampleOffset{},
DelayTimes: []int{}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = go4k.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to unbalanced stack push/pop")
}
}
func TestStackOverflow(t *testing.T) {
patch := go4k.Patch{
Instruments: []go4k.Instrument{
go4k.Instrument{1, []go4k.Unit{
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
go4k.Unit{"pop", map[string]int{}},
}}},
SampleOffsets: []go4k.SampleOffset{},
DelayTimes: []int{}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = go4k.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to stack overflow, despite balanced push/pops")
}
}
func TestDivideByZero(t *testing.T) {
patch := go4k.Patch{
Instruments: []go4k.Instrument{
go4k.Instrument{1, []go4k.Unit{
go4k.Unit{"loadval", map[string]int{"value": 128}},
go4k.Unit{"invgain", map[string]int{"invgain": 0}},
go4k.Unit{"pop", map[string]int{}},
}}},
SampleOffsets: []go4k.SampleOffset{},
DelayTimes: []int{}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = go4k.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to divide by zero")
}
}