Source file src/github.com/lucasb-eyer/go-colorful/colorgens_test.go

Documentation: github.com/lucasb-eyer/go-colorful

     1  package colorful
     2  
     3  import (
     4  	"math/rand"
     5  	"testing"
     6  	"time"
     7  )
     8  
     9  // This is really difficult to test, if you've got a good idea, pull request!
    10  
    11  // Check if it returns all valid colors.
    12  func TestColorValidity(t *testing.T) {
    13  	seed := time.Now().UTC().UnixNano()
    14  	rand.Seed(seed)
    15  
    16  	for i := 0; i < 100; i++ {
    17  		if col := WarmColor(); !col.IsValid() {
    18  			t.Errorf("Warm color %v is not valid! Seed was: %v", col, seed)
    19  		}
    20  
    21  		if col := FastWarmColor(); !col.IsValid() {
    22  			t.Errorf("Fast warm color %v is not valid! Seed was: %v", col, seed)
    23  		}
    24  
    25  		if col := HappyColor(); !col.IsValid() {
    26  			t.Errorf("Happy color %v is not valid! Seed was: %v", col, seed)
    27  		}
    28  
    29  		if col := FastHappyColor(); !col.IsValid() {
    30  			t.Errorf("Fast happy color %v is not valid! Seed was: %v", col, seed)
    31  		}
    32  	}
    33  }
    34  

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