.

wcfs/internal/xbtree/blib/rangemap_test.go

@@ -22,11 +22,104 @@ package blib
 //go:generate ./gen-rangemap _RangedMap_str string zrangemap_str.go
 
 import (
+	"reflect"
 	"testing"
 )
 
-func TestRangeMap(t *testing.T) {
+func TestRangedMap(t *testing.T) {
+	type RangedMap      = _RangedMap_str
+	type RangedMapEntry = _RangedMap_strEntry
+
+	type testEntry struct {
+		A   *RangedMap
+		B   KeyRange
+		Set *RangedMap // A.SetRange(B, x)
+		Del *RangedMap // A.DelRange(B)
+		Has bool       // A.HasRange(B)
+		// XXX Get?
+	}
+	E := func(A *RangedMap, B KeyRange, S, D *RangedMap, H bool) testEntry {
+		return testEntry{A, B, S, D, H}
+	}
+
+	// M is shorthand to create RangedMap, e.g. M(1,2,"a", 3,4,"b") will return {[1,2):"a" [3,4):"b"}.
+	M := func(argv ...interface{}) *RangedMap {
+		l := len(argv)
+		if l % 3 != 0 {
+			panic("non 3x number of arguments")
+		}
+		// askey converts arg to Key
+		asKey := func(arg interface{}) Key {
+			// go through reflect to accept all int, int64, Key, ...
+			return Key(reflect.ValueOf(arg).Int())
+		}
+		M := &RangedMap{}
+		for i := 0; i < l/3; i++ {
+			// construct .entryv directly, not via SetRange
+			lo := asKey(argv[3*i])
+			hi := asKey(argv[3*i+1])
+			v  := argv[3*i+2].(string)
+			hi_ := hi
+			if hi_ != oo {
+				hi_--
+			}
+			M.entryv = append(M.entryv, RangedMapEntry{
+					v,
+					KeyRange{lo, hi_},
+			})
+		}
+		M.verify()
+		return M
+	}
+
+	// K is alias for KeyRange
+	type K = KeyRange
+
+	// y, n alias true/false
+	const y, n = true, false
+
+	// a, b, c, d ... are shorthands for corresponding strings
+	const a, b, c, d, x = "a", "b", "c", "d", "x"
+
+
 	// XXX SetRange:
 	// - coalesce (value same)
 	// - shrink left/right (value !same) + new entry
+
+
+	testv := []testEntry{
+		E(
+			M(1,2,a, 2,3,b),	// A
+			K{1,3},			// B
+				M(1,3,x),		// Set
+				M(),			// Del
+				y),			// Has
+	}
+
+	for _, tt := range testv {
+		A := tt.A
+		B := tt.B
+
+		has := A.HasRange(B)
+		Aset := A.Clone()
+		Adel := A.Clone()
+		Aset.SetRange(B, x)
+		Adel.DelRange(B)
+
+		if !(has == tt.Has) {
+			t.Errorf("HasRange:\n  A:   %s\n  B:   %s\n  ->·: %t\n  ok·: %t\n", A, B, has, tt.Has)
+		}
+
+		if !Aset.Equal(tt.Set) {
+			t.Errorf("SetRange:\n  A:   %s\n  B:   %s\n  ->·: %s\n  ok·: %s\n", A, RangedMapEntry{x,B}, Aset, tt.Set)
+
+		}
+
+		if !Adel.Equal(tt.Del) {
+			t.Errorf("DelRange:\n  A:   %s\n  B:   %s\n  ->·: %s\n  ok·: %s\n", A, B, Adel, tt.Del)
+
+		}
+
+	}
+
 }

wcfs/internal/xbtree/blib/rangeset_test.go

@@ -31,7 +31,7 @@ func TestRangedKeySetTypes(t *testing.T) {
 		t.Errorf("sizeof(void) = %d  ; want 0", sizeVoid)
 	}
 
-	// verify sizeof(set-entry) = sizeof(KeyRange)
+	// verify that sizeof(set-entry) = sizeof(KeyRange)
 	// NOTE for this to be true Value needs to come first in RangedMapEntry
 	// (see github.com/golang/go/issues/48651)
 	sizeKeyRange := unsafe.Sizeof(KeyRange{})
@@ -42,12 +42,12 @@ func TestRangedKeySetTypes(t *testing.T) {
 	}
 }
 
-func TestRangedKeySet(t *testing.T) {
-	const (
+const (
 	oo  = KeyMax
 	noo = KeyMin
-	)
+)
 
+func TestRangedKeySet(t *testing.T) {
 	type testEntry struct {
 		A, B       *RangedKeySet
 		Union      *RangedKeySet
@@ -145,10 +145,10 @@ func TestRangedKeySet(t *testing.T) {
 		D := A.Difference(B)
 
 		if !U.Equal(tt.Union) {
-			t.Errorf("Union:\n  A:   %s\n  B:   %s\n  ->u: %s\n  okU: %s\n", tt.A, tt.B, U, tt.Union)
+			t.Errorf("Union:\n  A:   %s\n  B:   %s\n  ->u: %s\n  okU: %s\n", A, B, U, tt.Union)
 		}
 		if !D.Equal(tt.Difference) {
-			t.Errorf("Difference:\n  A:   %s\n  B:   %s\n  ->d: %s\n  okD: %s\n", tt.A, tt.B, D, tt.Difference)
+			t.Errorf("Difference:\n  A:   %s\n  B:   %s\n  ->d: %s\n  okD: %s\n", A, B, D, tt.Difference)
 		}
 
 		// HasRange