Add fuzz dict and corpus

Author: antonmedv

fuzz_test.go

@@ -1,7 +1,9 @@
 package expr_test
 
 import (
+	"os"
 	"regexp"
+	"strings"
 	"testing"
 
 	"github.com/antonmedv/expr"
@@ -27,82 +29,11 @@ func FuzzExpr(f *testing.F) {
 		new(func(int) int),
 	)
 
-	corpus := []string{
-		`.5 + .5`,
-		`i + j`,
-		`i - j`,
-		`i * j`,
-		`i / j`,
-		`i % j`,
-		`true || false`,
-		`true && false`,
-		`i == j`,
-		`i != j`,
-		`i > j`,
-		`i >= j`,
-		`i < j`,
-		`i <= j`,
-		`i in a`,
-		`i not in a`,
-		`s in m`,
-		`m.a`,
-		`m.m.a`,
-		`a[0]`,
-		`a[i]`,
-		`a[i:j]`,
-		`a[i:]`,
-		`a[:j]`,
-		`a[:]`,
-		`a[1:-1]`,
-		`len(a)`,
-		`type(a)`,
-		`abs(-1)`,
-		`int(0.5)`,
-		`float(42)`,
-		`string(i)`,
-		`trim(" a ")`,
-		`trim("_a_", "_")`,
-		`trimPrefix("  a", " ")`,
-		`trimSuffix("a  ")`,
-		`upper("a")`,
-		`lower("A")`,
-		`split("a,b,c", ",")`,
-		`replace("a,b,c", ",", "_")`,
-		`repeat("a", 3)`,
-		`join(["a", "b", "c"], ",")`,
-		`indexOf("abc", "b")`,
-		`max(1,2,3)`,
-		`min(1,2,3)`,
-		`toJSON(a)`,
-		`fromJSON("[1,2,3]")`,
-		`now()`,
-		`duration("1s")`,
-		`first(a)`,
-		`last(a)`,
-		`get(m, "a")`,
-		`1..9 | filter(i > 5) | map(i * 2)`,
-		`s startsWith "a"`,
-		`s endsWith "c"`,
-		`s contains "a"`,
-		`s matches "a"`,
-		`s matches "a+"`,
-		`true ? 1 : 2`,
-		`false ? 1 : 2`,
-		`b ?? true`,
-		`head(1)`,
-		`{a: 1, b: 2}`,
-		`[1, 2, 3]`,
-		`type(1)`,
-		`type("a")`,
-		`type([1, 2, 3])`,
-		`type({a: 1, b: 2})`,
-		`type(head)`,
-		`keys(m)`,
-		`values(m)`,
-		`foo.bar.a`,
-		`foo.bar.b`,
+	b, err := os.ReadFile("./testdata/fuzz_corpus.txt")
+	if err != nil {
+		panic(err)
 	}
-
+	corpus := strings.Split(strings.TrimSpace(string(b)), "\n")
 	for _, s := range corpus {
 		f.Add(s)
 	}

testdata/fuzz_corpus.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+inputfile=./fuzz_corpus.txt
+zipname=fuzz_expr_seed_corpus.zip
+
+if [ ! -f "$inputfile" ]; then
+  echo "Error: File $inputfile not found!"
+  exit 1
+fi
+
+lineno=1
+while IFS= read -r line; do
+  echo "$line" >"file_${lineno}.txt"
+  ((lineno++))
+done <"$inputfile"
+
+zip "$zipname" file_*.txt
+
+rm file_*.txt
+
+echo "Done!"

testdata/fuzz_corpus.txt

@@ -0,0 +1,73 @@
+.5 + .5
+i + j
+i - j
+i * j
+i / j
+i % j
+true || false
+true && false
+i == j
+i != j
+i > j
+i >= j
+i < j
+i <= j
+i in a
+i not in a
+s in m
+m.a
+m.m.a
+a[0]
+a[i]
+a[i:j]
+a[i:]
+a[:j]
+a[:]
+a[1:-1]
+len(a)
+type(a)
+abs(-1)
+int(0.5)
+float(42)
+string(i)
+trim(" a ")
+trim("_a_", "_")
+trimPrefix("  a", " ")
+trimSuffix("a  ")
+upper("a")
+lower("A")
+split("a,b,c", ",")
+replace("a,b,c", ",", "_")
+repeat("a", 3)
+join(["a", "b", "c"], ",")
+indexOf("abc", "b")
+max(1,2,3)
+min(1,2,3)
+toJSON(a)
+fromJSON("[1,2,3]")
+now()
+duration("1s")
+first(a)
+last(a)
+get(m, "a")
+1..9 | filter(i > 5) | map(i * 2)
+s startsWith "a"
+s endsWith "c"
+s contains "a"
+s matches "a"
+s matches "a+"
+true ? 1 : 2
+false ? 1 : 2
+b ?? true
+head(1)
+{a: 1, b: 2}
+[1, 2, 3]
+type(1)
+type("a")
+type([1, 2, 3])
+type({a: 1, b: 2})
+type(head)
+keys(m)
+values(m)
+foo.bar.a
+foo.bar.b

testdata/fuzz_expr.dict

@@ -0,0 +1,78 @@
+"{"
+"}"
+","
+"["
+"]"
+"("
+")"
+":"
+"'"
+"\""
+"0.1"
+"1.2"
+"2.3"
+"-3.4"
+"-4.5"
+"-5.6"
+"1e2"
+"2e3"
+"-3e4"
+"-4e5"
+"0"
+"1"
+"2"
+"-3"
+"-4"
+"0x"
+"true"
+"false"
+"map"
+"filter"
+"all"
+"any"
+"none"
+"one"
+"and"
+"or"
+"in"
+"not"
+"in"
+"contains"
+"matches"
+"startsWith"
+"endsWith"
+"nil"
+"len"
+"type"
+"abs"
+"int"
+"float"
+"string"
+"trim"
+"trimPrefix"
+"trimSuffix"
+"upper"
+"lower"
+"split"
+"splitAfter"
+"replace"
+"repeat"
+"join"
+"indexOf"
+"lastIndexOf"
+"hasPrefix"
+"hasSuffix"
+"max"
+"min"
+"toJSON"
+"fromJSON"
+"toBase64"
+"fromBase64"
+"now"
+"duration"
+"date"
+"first"
+"last"
+"get"
+"keys"
+"values"