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-rw-r--r--src/pkg/bytes/bytes_test.go625
1 files changed, 391 insertions, 234 deletions
diff --git a/src/pkg/bytes/bytes_test.go b/src/pkg/bytes/bytes_test.go
index 8197543dc..063686ec5 100644
--- a/src/pkg/bytes/bytes_test.go
+++ b/src/pkg/bytes/bytes_test.go
@@ -8,6 +8,7 @@ import (
. "bytes"
"testing"
"unicode"
+ "utf8"
)
func eq(a, b []string) bool {
@@ -45,16 +46,16 @@ type BinOpTest struct {
}
var comparetests = []BinOpTest{
- BinOpTest{"", "", 0},
- BinOpTest{"a", "", 1},
- BinOpTest{"", "a", -1},
- BinOpTest{"abc", "abc", 0},
- BinOpTest{"ab", "abc", -1},
- BinOpTest{"abc", "ab", 1},
- BinOpTest{"x", "ab", 1},
- BinOpTest{"ab", "x", -1},
- BinOpTest{"x", "a", 1},
- BinOpTest{"b", "x", -1},
+ {"", "", 0},
+ {"a", "", 1},
+ {"", "a", -1},
+ {"abc", "abc", 0},
+ {"ab", "abc", -1},
+ {"abc", "ab", 1},
+ {"x", "ab", 1},
+ {"ab", "x", -1},
+ {"x", "a", 1},
+ {"b", "x", -1},
}
func TestCompare(t *testing.T) {
@@ -73,55 +74,81 @@ func TestCompare(t *testing.T) {
}
var indexTests = []BinOpTest{
- BinOpTest{"", "", 0},
- BinOpTest{"", "a", -1},
- BinOpTest{"", "foo", -1},
- BinOpTest{"fo", "foo", -1},
- BinOpTest{"foo", "foo", 0},
- BinOpTest{"oofofoofooo", "f", 2},
- BinOpTest{"oofofoofooo", "foo", 4},
- BinOpTest{"barfoobarfoo", "foo", 3},
- BinOpTest{"foo", "", 0},
- BinOpTest{"foo", "o", 1},
- BinOpTest{"abcABCabc", "A", 3},
+ {"", "", 0},
+ {"", "a", -1},
+ {"", "foo", -1},
+ {"fo", "foo", -1},
+ {"foo", "foo", 0},
+ {"oofofoofooo", "f", 2},
+ {"oofofoofooo", "foo", 4},
+ {"barfoobarfoo", "foo", 3},
+ {"foo", "", 0},
+ {"foo", "o", 1},
+ {"abcABCabc", "A", 3},
// cases with one byte strings - test IndexByte and special case in Index()
- BinOpTest{"", "a", -1},
- BinOpTest{"x", "a", -1},
- BinOpTest{"x", "x", 0},
- BinOpTest{"abc", "a", 0},
- BinOpTest{"abc", "b", 1},
- BinOpTest{"abc", "c", 2},
- BinOpTest{"abc", "x", -1},
+ {"", "a", -1},
+ {"x", "a", -1},
+ {"x", "x", 0},
+ {"abc", "a", 0},
+ {"abc", "b", 1},
+ {"abc", "c", 2},
+ {"abc", "x", -1},
+ {"barfoobarfooyyyzzzyyyzzzyyyzzzyyyxxxzzzyyy", "x", 33},
+ {"foofyfoobarfoobar", "y", 4},
+ {"oooooooooooooooooooooo", "r", -1},
}
var lastIndexTests = []BinOpTest{
- BinOpTest{"", "", 0},
- BinOpTest{"", "a", -1},
- BinOpTest{"", "foo", -1},
- BinOpTest{"fo", "foo", -1},
- BinOpTest{"foo", "foo", 0},
- BinOpTest{"foo", "f", 0},
- BinOpTest{"oofofoofooo", "f", 7},
- BinOpTest{"oofofoofooo", "foo", 7},
- BinOpTest{"barfoobarfoo", "foo", 9},
- BinOpTest{"foo", "", 3},
- BinOpTest{"foo", "o", 2},
- BinOpTest{"abcABCabc", "A", 3},
- BinOpTest{"abcABCabc", "a", 6},
+ {"", "", 0},
+ {"", "a", -1},
+ {"", "foo", -1},
+ {"fo", "foo", -1},
+ {"foo", "foo", 0},
+ {"foo", "f", 0},
+ {"oofofoofooo", "f", 7},
+ {"oofofoofooo", "foo", 7},
+ {"barfoobarfoo", "foo", 9},
+ {"foo", "", 3},
+ {"foo", "o", 2},
+ {"abcABCabc", "A", 3},
+ {"abcABCabc", "a", 6},
}
var indexAnyTests = []BinOpTest{
- BinOpTest{"", "", -1},
- BinOpTest{"", "a", -1},
- BinOpTest{"", "abc", -1},
- BinOpTest{"a", "", -1},
- BinOpTest{"a", "a", 0},
- BinOpTest{"aaa", "a", 0},
- BinOpTest{"abc", "xyz", -1},
- BinOpTest{"abc", "xcz", 2},
- BinOpTest{"ab☺c", "x☺yz", 2},
- BinOpTest{"aRegExp*", ".(|)*+?^$[]", 7},
- BinOpTest{dots + dots + dots, " ", -1},
+ {"", "", -1},
+ {"", "a", -1},
+ {"", "abc", -1},
+ {"a", "", -1},
+ {"a", "a", 0},
+ {"aaa", "a", 0},
+ {"abc", "xyz", -1},
+ {"abc", "xcz", 2},
+ {"ab☺c", "x☺yz", 2},
+ {"aRegExp*", ".(|)*+?^$[]", 7},
+ {dots + dots + dots, " ", -1},
+}
+
+var lastIndexAnyTests = []BinOpTest{
+ {"", "", -1},
+ {"", "a", -1},
+ {"", "abc", -1},
+ {"a", "", -1},
+ {"a", "a", 0},
+ {"aaa", "a", 2},
+ {"abc", "xyz", -1},
+ {"abc", "ab", 1},
+ {"a☺b☻c☹d", "uvw☻xyz", 2 + len("☺")},
+ {"a.RegExp*", ".(|)*+?^$[]", 8},
+ {dots + dots + dots, " ", -1},
+}
+
+var indexRuneTests = []BinOpTest{
+ {"", "a", -1},
+ {"", "☺", -1},
+ {"foo", "☹", -1},
+ {"foo", "o", 1},
+ {"foo☺bar", "☺", 3},
+ {"foo☺☻☹bar", "☹", 9},
}
// Execute f on each test case. funcName should be the name of f; it's used
@@ -137,18 +164,23 @@ func runIndexTests(t *testing.T, f func(s, sep []byte) int, funcName string, tes
}
}
-func TestIndex(t *testing.T) { runIndexTests(t, Index, "Index", indexTests) }
-func TestLastIndex(t *testing.T) { runIndexTests(t, LastIndex, "LastIndex", lastIndexTests) }
-func TestIndexAny(t *testing.T) {
- for _, test := range indexAnyTests {
+func runIndexAnyTests(t *testing.T, f func(s []byte, chars string) int, funcName string, testCases []BinOpTest) {
+ for _, test := range testCases {
a := []byte(test.a)
- actual := IndexAny(a, test.b)
+ actual := f(a, test.b)
if actual != test.i {
- t.Errorf("IndexAny(%q,%q) = %v; want %v", a, test.b, actual, test.i)
+ t.Errorf("%s(%q,%q) = %v; want %v", funcName, a, test.b, actual, test.i)
}
}
}
+func TestIndex(t *testing.T) { runIndexTests(t, Index, "Index", indexTests) }
+func TestLastIndex(t *testing.T) { runIndexTests(t, LastIndex, "LastIndex", lastIndexTests) }
+func TestIndexAny(t *testing.T) { runIndexAnyTests(t, IndexAny, "IndexAny", indexAnyTests) }
+func TestLastIndexAny(t *testing.T) {
+ runIndexAnyTests(t, LastIndexAny, "LastIndexAny", lastIndexAnyTests)
+}
+
func TestIndexByte(t *testing.T) {
for _, tt := range indexTests {
if len(tt.b) != 1 {
@@ -167,6 +199,67 @@ func TestIndexByte(t *testing.T) {
}
}
+// test a larger buffer with different sizes and alignments
+func TestIndexByteBig(t *testing.T) {
+ const n = 1024
+ b := make([]byte, n)
+ for i := 0; i < n; i++ {
+ // different start alignments
+ b1 := b[i:]
+ for j := 0; j < len(b1); j++ {
+ b1[j] = 'x'
+ pos := IndexByte(b1, 'x')
+ if pos != j {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ b1[j] = 0
+ pos = IndexByte(b1, 'x')
+ if pos != -1 {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ }
+ // different end alignments
+ b1 = b[:i]
+ for j := 0; j < len(b1); j++ {
+ b1[j] = 'x'
+ pos := IndexByte(b1, 'x')
+ if pos != j {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ b1[j] = 0
+ pos = IndexByte(b1, 'x')
+ if pos != -1 {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ }
+ // different start and end alignments
+ b1 = b[i/2 : n-(i+1)/2]
+ for j := 0; j < len(b1); j++ {
+ b1[j] = 'x'
+ pos := IndexByte(b1, 'x')
+ if pos != j {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ b1[j] = 0
+ pos = IndexByte(b1, 'x')
+ if pos != -1 {
+ t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
+ }
+ }
+ }
+}
+
+func TestIndexRune(t *testing.T) {
+ for _, tt := range indexRuneTests {
+ a := []byte(tt.a)
+ r, _ := utf8.DecodeRuneInString(tt.b)
+ pos := IndexRune(a, r)
+ if pos != tt.i {
+ t.Errorf(`IndexRune(%q, '%c') = %v`, tt.a, r, pos)
+ }
+ }
+}
+
func BenchmarkIndexByte4K(b *testing.B) { bmIndex(b, IndexByte, 4<<10) }
func BenchmarkIndexByte4M(b *testing.B) { bmIndex(b, IndexByte, 4<<20) }
@@ -211,9 +304,10 @@ type ExplodeTest struct {
}
var explodetests = []ExplodeTest{
- ExplodeTest{abcd, -1, []string{"a", "b", "c", "d"}},
- ExplodeTest{faces, -1, []string{"☺", "☻", "☹"}},
- ExplodeTest{abcd, 2, []string{"a", "bcd"}},
+ {"", -1, []string{}},
+ {abcd, -1, []string{"a", "b", "c", "d"}},
+ {faces, -1, []string{"☺", "☻", "☹"}},
+ {abcd, 2, []string{"a", "bcd"}},
}
func TestExplode(t *testing.T) {
@@ -240,19 +334,19 @@ type SplitTest struct {
}
var splittests = []SplitTest{
- SplitTest{abcd, "a", 0, nil},
- SplitTest{abcd, "a", -1, []string{"", "bcd"}},
- SplitTest{abcd, "z", -1, []string{"abcd"}},
- SplitTest{abcd, "", -1, []string{"a", "b", "c", "d"}},
- SplitTest{commas, ",", -1, []string{"1", "2", "3", "4"}},
- SplitTest{dots, "...", -1, []string{"1", ".2", ".3", ".4"}},
- SplitTest{faces, "☹", -1, []string{"☺☻", ""}},
- SplitTest{faces, "~", -1, []string{faces}},
- SplitTest{faces, "", -1, []string{"☺", "☻", "☹"}},
- SplitTest{"1 2 3 4", " ", 3, []string{"1", "2", "3 4"}},
- SplitTest{"1 2", " ", 3, []string{"1", "2"}},
- SplitTest{"123", "", 2, []string{"1", "23"}},
- SplitTest{"123", "", 17, []string{"1", "2", "3"}},
+ {abcd, "a", 0, nil},
+ {abcd, "a", -1, []string{"", "bcd"}},
+ {abcd, "z", -1, []string{"abcd"}},
+ {abcd, "", -1, []string{"a", "b", "c", "d"}},
+ {commas, ",", -1, []string{"1", "2", "3", "4"}},
+ {dots, "...", -1, []string{"1", ".2", ".3", ".4"}},
+ {faces, "☹", -1, []string{"☺☻", ""}},
+ {faces, "~", -1, []string{faces}},
+ {faces, "", -1, []string{"☺", "☻", "☹"}},
+ {"1 2 3 4", " ", 3, []string{"1", "2", "3 4"}},
+ {"1 2", " ", 3, []string{"1", "2"}},
+ {"123", "", 2, []string{"1", "23"}},
+ {"123", "", 17, []string{"1", "2", "3"}},
}
func TestSplit(t *testing.T) {
@@ -274,19 +368,19 @@ func TestSplit(t *testing.T) {
}
var splitaftertests = []SplitTest{
- SplitTest{abcd, "a", -1, []string{"a", "bcd"}},
- SplitTest{abcd, "z", -1, []string{"abcd"}},
- SplitTest{abcd, "", -1, []string{"a", "b", "c", "d"}},
- SplitTest{commas, ",", -1, []string{"1,", "2,", "3,", "4"}},
- SplitTest{dots, "...", -1, []string{"1...", ".2...", ".3...", ".4"}},
- SplitTest{faces, "☹", -1, []string{"☺☻☹", ""}},
- SplitTest{faces, "~", -1, []string{faces}},
- SplitTest{faces, "", -1, []string{"☺", "☻", "☹"}},
- SplitTest{"1 2 3 4", " ", 3, []string{"1 ", "2 ", "3 4"}},
- SplitTest{"1 2 3", " ", 3, []string{"1 ", "2 ", "3"}},
- SplitTest{"1 2", " ", 3, []string{"1 ", "2"}},
- SplitTest{"123", "", 2, []string{"1", "23"}},
- SplitTest{"123", "", 17, []string{"1", "2", "3"}},
+ {abcd, "a", -1, []string{"a", "bcd"}},
+ {abcd, "z", -1, []string{"abcd"}},
+ {abcd, "", -1, []string{"a", "b", "c", "d"}},
+ {commas, ",", -1, []string{"1,", "2,", "3,", "4"}},
+ {dots, "...", -1, []string{"1...", ".2...", ".3...", ".4"}},
+ {faces, "☹", -1, []string{"☺☻☹", ""}},
+ {faces, "~", -1, []string{faces}},
+ {faces, "", -1, []string{"☺", "☻", "☹"}},
+ {"1 2 3 4", " ", 3, []string{"1 ", "2 ", "3 4"}},
+ {"1 2 3", " ", 3, []string{"1 ", "2 ", "3"}},
+ {"1 2", " ", 3, []string{"1 ", "2"}},
+ {"123", "", 2, []string{"1", "23"}},
+ {"123", "", 17, []string{"1", "2", "3"}},
}
func TestSplitAfter(t *testing.T) {
@@ -310,17 +404,17 @@ type FieldsTest struct {
}
var fieldstests = []FieldsTest{
- FieldsTest{"", []string{}},
- FieldsTest{" ", []string{}},
- FieldsTest{" \t ", []string{}},
- FieldsTest{" abc ", []string{"abc"}},
- FieldsTest{"1 2 3 4", []string{"1", "2", "3", "4"}},
- FieldsTest{"1 2 3 4", []string{"1", "2", "3", "4"}},
- FieldsTest{"1\t\t2\t\t3\t4", []string{"1", "2", "3", "4"}},
- FieldsTest{"1\u20002\u20013\u20024", []string{"1", "2", "3", "4"}},
- FieldsTest{"\u2000\u2001\u2002", []string{}},
- FieldsTest{"\n™\t™\n", []string{"™", "™"}},
- FieldsTest{faces, []string{faces}},
+ {"", []string{}},
+ {" ", []string{}},
+ {" \t ", []string{}},
+ {" abc ", []string{"abc"}},
+ {"1 2 3 4", []string{"1", "2", "3", "4"}},
+ {"1 2 3 4", []string{"1", "2", "3", "4"}},
+ {"1\t\t2\t\t3\t4", []string{"1", "2", "3", "4"}},
+ {"1\u20002\u20013\u20024", []string{"1", "2", "3", "4"}},
+ {"\u2000\u2001\u2002", []string{}},
+ {"\n™\t™\n", []string{"™", "™"}},
+ {faces, []string{faces}},
}
func TestFields(t *testing.T) {
@@ -334,6 +428,23 @@ func TestFields(t *testing.T) {
}
}
+func TestFieldsFunc(t *testing.T) {
+ pred := func(c int) bool { return c == 'X' }
+ var fieldsFuncTests = []FieldsTest{
+ {"", []string{}},
+ {"XX", []string{}},
+ {"XXhiXXX", []string{"hi"}},
+ {"aXXbXXXcX", []string{"a", "b", "c"}},
+ }
+ for _, tt := range fieldsFuncTests {
+ a := FieldsFunc([]byte(tt.s), pred)
+ result := arrayOfString(a)
+ if !eq(result, tt.a) {
+ t.Errorf("FieldsFunc(%q) = %v, want %v", tt.s, a, tt.a)
+ }
+ }
+}
+
// Test case for any function which accepts and returns a byte array.
// For ease of creation, we write the byte arrays as strings.
type StringTest struct {
@@ -341,51 +452,47 @@ type StringTest struct {
}
var upperTests = []StringTest{
- StringTest{"", ""},
- StringTest{"abc", "ABC"},
- StringTest{"AbC123", "ABC123"},
- StringTest{"azAZ09_", "AZAZ09_"},
- StringTest{"\u0250\u0250\u0250\u0250\u0250", "\u2C6F\u2C6F\u2C6F\u2C6F\u2C6F"}, // grows one byte per char
+ {"", ""},
+ {"abc", "ABC"},
+ {"AbC123", "ABC123"},
+ {"azAZ09_", "AZAZ09_"},
+ {"\u0250\u0250\u0250\u0250\u0250", "\u2C6F\u2C6F\u2C6F\u2C6F\u2C6F"}, // grows one byte per char
}
var lowerTests = []StringTest{
- StringTest{"", ""},
- StringTest{"abc", "abc"},
- StringTest{"AbC123", "abc123"},
- StringTest{"azAZ09_", "azaz09_"},
- StringTest{"\u2C6D\u2C6D\u2C6D\u2C6D\u2C6D", "\u0251\u0251\u0251\u0251\u0251"}, // shrinks one byte per char
+ {"", ""},
+ {"abc", "abc"},
+ {"AbC123", "abc123"},
+ {"azAZ09_", "azaz09_"},
+ {"\u2C6D\u2C6D\u2C6D\u2C6D\u2C6D", "\u0251\u0251\u0251\u0251\u0251"}, // shrinks one byte per char
}
const space = "\t\v\r\f\n\u0085\u00a0\u2000\u3000"
var trimSpaceTests = []StringTest{
- StringTest{"", ""},
- StringTest{"abc", "abc"},
- StringTest{space + "abc" + space, "abc"},
- StringTest{" ", ""},
- StringTest{" \t\r\n \t\t\r\r\n\n ", ""},
- StringTest{" \t\r\n x\t\t\r\r\n\n ", "x"},
- StringTest{" \u2000\t\r\n x\t\t\r\r\ny\n \u3000", "x\t\t\r\r\ny"},
- StringTest{"1 \t\r\n2", "1 \t\r\n2"},
- StringTest{" x\x80", "x\x80"}, // invalid UTF-8 on end
- StringTest{" x\xc0", "x\xc0"}, // invalid UTF-8 on end
-}
-
-// Bytes returns a new slice containing the bytes in s.
-// Borrowed from strings to avoid dependency.
-func Bytes(s string) []byte {
- b := make([]byte, len(s))
- for i := 0; i < len(s); i++ {
- b[i] = s[i]
- }
- return b
+ {"", ""},
+ {"abc", "abc"},
+ {space + "abc" + space, "abc"},
+ {" ", ""},
+ {" \t\r\n \t\t\r\r\n\n ", ""},
+ {" \t\r\n x\t\t\r\r\n\n ", "x"},
+ {" \u2000\t\r\n x\t\t\r\r\ny\n \u3000", "x\t\t\r\r\ny"},
+ {"1 \t\r\n2", "1 \t\r\n2"},
+ {" x\x80", "x\x80"},
+ {" x\xc0", "x\xc0"},
+ {"x \xc0\xc0 ", "x \xc0\xc0"},
+ {"x \xc0", "x \xc0"},
+ {"x \xc0 ", "x \xc0"},
+ {"x \xc0\xc0 ", "x \xc0\xc0"},
+ {"x ☺\xc0\xc0 ", "x ☺\xc0\xc0"},
+ {"x ☺ ", "x ☺"},
}
// Execute f on each test case. funcName should be the name of f; it's used
// in failure reports.
func runStringTests(t *testing.T, f func([]byte) []byte, funcName string, testCases []StringTest) {
for _, tc := range testCases {
- actual := string(f(Bytes(tc.in)))
+ actual := string(f([]byte(tc.in)))
if actual != tc.out {
t.Errorf("%s(%q) = %q; want %q", funcName, tc.in, actual, tc.out)
}
@@ -418,7 +525,7 @@ func TestMap(t *testing.T) {
// 1. Grow. This triggers two reallocations in Map.
maxRune := func(rune int) int { return unicode.MaxRune }
- m := Map(maxRune, Bytes(a))
+ m := Map(maxRune, []byte(a))
expect := tenRunes(unicode.MaxRune)
if string(m) != expect {
t.Errorf("growing: expected %q got %q", expect, m)
@@ -426,21 +533,21 @@ func TestMap(t *testing.T) {
// 2. Shrink
minRune := func(rune int) int { return 'a' }
- m = Map(minRune, Bytes(tenRunes(unicode.MaxRune)))
+ m = Map(minRune, []byte(tenRunes(unicode.MaxRune)))
expect = a
if string(m) != expect {
t.Errorf("shrinking: expected %q got %q", expect, m)
}
// 3. Rot13
- m = Map(rot13, Bytes("a to zed"))
+ m = Map(rot13, []byte("a to zed"))
expect = "n gb mrq"
if string(m) != expect {
t.Errorf("rot13: expected %q got %q", expect, m)
}
// 4. Rot13^2
- m = Map(rot13, Map(rot13, Bytes("a to zed")))
+ m = Map(rot13, Map(rot13, []byte("a to zed")))
expect = "a to zed"
if string(m) != expect {
t.Errorf("rot13: expected %q got %q", expect, m)
@@ -453,7 +560,7 @@ func TestMap(t *testing.T) {
}
return -1
}
- m = Map(dropNotLatin, Bytes("Hello, 세계"))
+ m = Map(dropNotLatin, []byte("Hello, 세계"))
expect = "Hello"
if string(m) != expect {
t.Errorf("drop: expected %q got %q", expect, m)
@@ -466,60 +573,19 @@ func TestToLower(t *testing.T) { runStringTests(t, ToLower, "ToLower", lowerTest
func TestTrimSpace(t *testing.T) { runStringTests(t, TrimSpace, "TrimSpace", trimSpaceTests) }
-type AddTest struct {
- s, t string
- cap int
-}
-
-var addtests = []AddTest{
- AddTest{"", "", 0},
- AddTest{"a", "", 1},
- AddTest{"a", "b", 1},
- AddTest{"abc", "def", 100},
-}
-
-func TestAdd(t *testing.T) {
- for _, test := range addtests {
- b := make([]byte, len(test.s), test.cap)
- for i := 0; i < len(test.s); i++ {
- b[i] = test.s[i]
- }
- b = Add(b, []byte(test.t))
- if string(b) != test.s+test.t {
- t.Errorf("Add(%q,%q) = %q", test.s, test.t, string(b))
- }
- }
-}
-
-func TestAddByte(t *testing.T) {
- const N = 2e5
- b := make([]byte, 0)
- for i := 0; i < N; i++ {
- b = AddByte(b, byte(i))
- }
- if len(b) != N {
- t.Errorf("AddByte: too small; expected %d got %d", N, len(b))
- }
- for i, c := range b {
- if c != byte(i) {
- t.Fatalf("AddByte: b[%d] should be %d is %d", i, c, byte(i))
- }
- }
-}
-
type RepeatTest struct {
in, out string
count int
}
var RepeatTests = []RepeatTest{
- RepeatTest{"", "", 0},
- RepeatTest{"", "", 1},
- RepeatTest{"", "", 2},
- RepeatTest{"-", "", 0},
- RepeatTest{"-", "-", 1},
- RepeatTest{"-", "----------", 10},
- RepeatTest{"abc ", "abc abc abc ", 3},
+ {"", "", 0},
+ {"", "", 1},
+ {"", "", 2},
+ {"-", "", 0},
+ {"-", "-", 1},
+ {"-", "----------", 10},
+ {"abc ", "abc abc abc ", 3},
}
func TestRepeat(t *testing.T) {
@@ -553,13 +619,13 @@ type RunesTest struct {
}
var RunesTests = []RunesTest{
- RunesTest{"", []int{}, false},
- RunesTest{" ", []int{32}, false},
- RunesTest{"ABC", []int{65, 66, 67}, false},
- RunesTest{"abc", []int{97, 98, 99}, false},
- RunesTest{"\u65e5\u672c\u8a9e", []int{26085, 26412, 35486}, false},
- RunesTest{"ab\x80c", []int{97, 98, 0xFFFD, 99}, true},
- RunesTest{"ab\xc0c", []int{97, 98, 0xFFFD, 99}, true},
+ {"", []int{}, false},
+ {" ", []int{32}, false},
+ {"ABC", []int{65, 66, 67}, false},
+ {"abc", []int{97, 98, 99}, false},
+ {"\u65e5\u672c\u8a9e", []int{26085, 26412, 35486}, false},
+ {"ab\x80c", []int{97, 98, 0xFFFD, 99}, true},
+ {"ab\xc0c", []int{97, 98, 0xFFFD, 99}, true},
}
func TestRunes(t *testing.T) {
@@ -587,26 +653,27 @@ type TrimTest struct {
}
var trimTests = []TrimTest{
- TrimTest{Trim, "abba", "a", "bb"},
- TrimTest{Trim, "abba", "ab", ""},
- TrimTest{TrimLeft, "abba", "ab", ""},
- TrimTest{TrimRight, "abba", "ab", ""},
- TrimTest{TrimLeft, "abba", "a", "bba"},
- TrimTest{TrimRight, "abba", "a", "abb"},
- TrimTest{Trim, "<tag>", "<>", "tag"},
- TrimTest{Trim, "* listitem", " *", "listitem"},
- TrimTest{Trim, `"quote"`, `"`, "quote"},
- TrimTest{Trim, "\u2C6F\u2C6F\u0250\u0250\u2C6F\u2C6F", "\u2C6F", "\u0250\u0250"},
+ {Trim, "abba", "a", "bb"},
+ {Trim, "abba", "ab", ""},
+ {TrimLeft, "abba", "ab", ""},
+ {TrimRight, "abba", "ab", ""},
+ {TrimLeft, "abba", "a", "bba"},
+ {TrimRight, "abba", "a", "abb"},
+ {Trim, "<tag>", "<>", "tag"},
+ {Trim, "* listitem", " *", "listitem"},
+ {Trim, `"quote"`, `"`, "quote"},
+ {Trim, "\u2C6F\u2C6F\u0250\u0250\u2C6F\u2C6F", "\u2C6F", "\u0250\u0250"},
//empty string tests
- TrimTest{Trim, "abba", "", "abba"},
- TrimTest{Trim, "", "123", ""},
- TrimTest{Trim, "", "", ""},
- TrimTest{TrimLeft, "abba", "", "abba"},
- TrimTest{TrimLeft, "", "123", ""},
- TrimTest{TrimLeft, "", "", ""},
- TrimTest{TrimRight, "abba", "", "abba"},
- TrimTest{TrimRight, "", "123", ""},
- TrimTest{TrimRight, "", "", ""},
+ {Trim, "abba", "", "abba"},
+ {Trim, "", "123", ""},
+ {Trim, "", "", ""},
+ {TrimLeft, "abba", "", "abba"},
+ {TrimLeft, "", "123", ""},
+ {TrimLeft, "", "", ""},
+ {TrimRight, "abba", "", "abba"},
+ {TrimRight, "", "123", ""},
+ {TrimRight, "", "", ""},
+ {TrimRight, "☺\xc0", "☺", "☺\xc0"},
}
func TestTrim(t *testing.T) {
@@ -629,22 +696,90 @@ func TestTrim(t *testing.T) {
}
}
+type predicate struct {
+ f func(r int) bool
+ name string
+}
+
+var isSpace = predicate{unicode.IsSpace, "IsSpace"}
+var isDigit = predicate{unicode.IsDigit, "IsDigit"}
+var isUpper = predicate{unicode.IsUpper, "IsUpper"}
+var isValidRune = predicate{
+ func(r int) bool {
+ return r != utf8.RuneError
+ },
+ "IsValidRune",
+}
+
type TrimFuncTest struct {
- f func(r int) bool
- name, in, out string
+ f predicate
+ in, out string
+}
+
+func not(p predicate) predicate {
+ return predicate{
+ func(r int) bool {
+ return !p.f(r)
+ },
+ "not " + p.name,
+ }
}
var trimFuncTests = []TrimFuncTest{
- TrimFuncTest{unicode.IsSpace, "IsSpace", space + " hello " + space, "hello"},
- TrimFuncTest{unicode.IsDigit, "IsDigit", "\u0e50\u0e5212hello34\u0e50\u0e51", "hello"},
- TrimFuncTest{unicode.IsUpper, "IsUpper", "\u2C6F\u2C6F\u2C6F\u2C6FABCDhelloEF\u2C6F\u2C6FGH\u2C6F\u2C6F", "hello"},
+ {isSpace, space + " hello " + space, "hello"},
+ {isDigit, "\u0e50\u0e5212hello34\u0e50\u0e51", "hello"},
+ {isUpper, "\u2C6F\u2C6F\u2C6F\u2C6FABCDhelloEF\u2C6F\u2C6FGH\u2C6F\u2C6F", "hello"},
+ {not(isSpace), "hello" + space + "hello", space},
+ {not(isDigit), "hello\u0e50\u0e521234\u0e50\u0e51helo", "\u0e50\u0e521234\u0e50\u0e51"},
+ {isValidRune, "ab\xc0a\xc0cd", "\xc0a\xc0"},
+ {not(isValidRune), "\xc0a\xc0", "a"},
}
func TestTrimFunc(t *testing.T) {
for _, tc := range trimFuncTests {
- actual := string(TrimFunc([]byte(tc.in), tc.f))
+ actual := string(TrimFunc([]byte(tc.in), tc.f.f))
if actual != tc.out {
- t.Errorf("TrimFunc(%q, %q) = %q; want %q", tc.in, tc.name, actual, tc.out)
+ t.Errorf("TrimFunc(%q, %q) = %q; want %q", tc.in, tc.f.name, actual, tc.out)
+ }
+ }
+}
+
+type IndexFuncTest struct {
+ in string
+ f predicate
+ first, last int
+}
+
+var indexFuncTests = []IndexFuncTest{
+ {"", isValidRune, -1, -1},
+ {"abc", isDigit, -1, -1},
+ {"0123", isDigit, 0, 3},
+ {"a1b", isDigit, 1, 1},
+ {space, isSpace, 0, len(space) - 3}, // last rune in space is 3 bytes
+ {"\u0e50\u0e5212hello34\u0e50\u0e51", isDigit, 0, 18},
+ {"\u2C6F\u2C6F\u2C6F\u2C6FABCDhelloEF\u2C6F\u2C6FGH\u2C6F\u2C6F", isUpper, 0, 34},
+ {"12\u0e50\u0e52hello34\u0e50\u0e51", not(isDigit), 8, 12},
+
+ // tests of invalid UTF-8
+ {"\x801", isDigit, 1, 1},
+ {"\x80abc", isDigit, -1, -1},
+ {"\xc0a\xc0", isValidRune, 1, 1},
+ {"\xc0a\xc0", not(isValidRune), 0, 2},
+ {"\xc0☺\xc0", not(isValidRune), 0, 4},
+ {"\xc0☺\xc0\xc0", not(isValidRune), 0, 5},
+ {"ab\xc0a\xc0cd", not(isValidRune), 2, 4},
+ {"a\xe0\x80cd", not(isValidRune), 1, 2},
+}
+
+func TestIndexFunc(t *testing.T) {
+ for _, tc := range indexFuncTests {
+ first := IndexFunc([]byte(tc.in), tc.f.f)
+ if first != tc.first {
+ t.Errorf("IndexFunc(%q, %s) = %d; want %d", tc.in, tc.f.name, first, tc.first)
+ }
+ last := LastIndexFunc([]byte(tc.in), tc.f.f)
+ if last != tc.last {
+ t.Errorf("LastIndexFunc(%q, %s) = %d; want %d", tc.in, tc.f.name, last, tc.last)
}
}
}
@@ -657,25 +792,25 @@ type ReplaceTest struct {
}
var ReplaceTests = []ReplaceTest{
- ReplaceTest{"hello", "l", "L", 0, "hello"},
- ReplaceTest{"hello", "l", "L", -1, "heLLo"},
- ReplaceTest{"hello", "x", "X", -1, "hello"},
- ReplaceTest{"", "x", "X", -1, ""},
- ReplaceTest{"radar", "r", "<r>", -1, "<r>ada<r>"},
- ReplaceTest{"", "", "<>", -1, "<>"},
- ReplaceTest{"banana", "a", "<>", -1, "b<>n<>n<>"},
- ReplaceTest{"banana", "a", "<>", 1, "b<>nana"},
- ReplaceTest{"banana", "a", "<>", 1000, "b<>n<>n<>"},
- ReplaceTest{"banana", "an", "<>", -1, "b<><>a"},
- ReplaceTest{"banana", "ana", "<>", -1, "b<>na"},
- ReplaceTest{"banana", "", "<>", -1, "<>b<>a<>n<>a<>n<>a<>"},
- ReplaceTest{"banana", "", "<>", 10, "<>b<>a<>n<>a<>n<>a<>"},
- ReplaceTest{"banana", "", "<>", 6, "<>b<>a<>n<>a<>n<>a"},
- ReplaceTest{"banana", "", "<>", 5, "<>b<>a<>n<>a<>na"},
- ReplaceTest{"banana", "", "<>", 1, "<>banana"},
- ReplaceTest{"banana", "a", "a", -1, "banana"},
- ReplaceTest{"banana", "a", "a", 1, "banana"},
- ReplaceTest{"☺☻☹", "", "<>", -1, "<>☺<>☻<>☹<>"},
+ {"hello", "l", "L", 0, "hello"},
+ {"hello", "l", "L", -1, "heLLo"},
+ {"hello", "x", "X", -1, "hello"},
+ {"", "x", "X", -1, ""},
+ {"radar", "r", "<r>", -1, "<r>ada<r>"},
+ {"", "", "<>", -1, "<>"},
+ {"banana", "a", "<>", -1, "b<>n<>n<>"},
+ {"banana", "a", "<>", 1, "b<>nana"},
+ {"banana", "a", "<>", 1000, "b<>n<>n<>"},
+ {"banana", "an", "<>", -1, "b<><>a"},
+ {"banana", "ana", "<>", -1, "b<>na"},
+ {"banana", "", "<>", -1, "<>b<>a<>n<>a<>n<>a<>"},
+ {"banana", "", "<>", 10, "<>b<>a<>n<>a<>n<>a<>"},
+ {"banana", "", "<>", 6, "<>b<>a<>n<>a<>n<>a"},
+ {"banana", "", "<>", 5, "<>b<>a<>n<>a<>na"},
+ {"banana", "", "<>", 1, "<>banana"},
+ {"banana", "a", "a", -1, "banana"},
+ {"banana", "a", "a", 1, "banana"},
+ {"☺☻☹", "", "<>", -1, "<>☺<>☻<>☹<>"},
}
func TestReplace(t *testing.T) {
@@ -685,3 +820,25 @@ func TestReplace(t *testing.T) {
}
}
}
+
+type TitleTest struct {
+ in, out string
+}
+
+var TitleTests = []TitleTest{
+ {"", ""},
+ {"a", "A"},
+ {" aaa aaa aaa ", " Aaa Aaa Aaa "},
+ {" Aaa Aaa Aaa ", " Aaa Aaa Aaa "},
+ {"123a456", "123a456"},
+ {"double-blind", "Double-Blind"},
+ {"ÿøû", "Ÿøû"},
+}
+
+func TestTitle(t *testing.T) {
+ for _, tt := range TitleTests {
+ if s := string(Title([]byte(tt.in))); s != tt.out {
+ t.Errorf("Title(%q) = %q, want %q", tt.in, s, tt.out)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 00:31:49 +0000