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unmarshal_iter_test.go
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package jsonvalue
import (
"encoding/hex"
"testing"
)
func testIter(t *testing.T) {
cv("iter.memcpy", func() { testIterMemcpy(t) })
cv("iter.assignWideRune", func() { testIterAssignWideRune(t) })
cv("iter.character searching", func() { testIterChrSearching(t) })
cv("iter.testIter_parseNumber", func() { testIterParseNumber(t) })
}
func testIterMemcpy(t *testing.T) {
b := []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA}
it := iter(b)
origByte := b[4]
t.Logf("before: %s", hex.EncodeToString(b))
it.memcpy(0, 4, 6)
t.Logf("result: %s", hex.EncodeToString(b))
so(b[0], eq, origByte)
}
func testIterAssignWideRune(t *testing.T) {
b := make([]byte, 32)
it := iter(b)
len := 0
append := func(r rune) {
t.Logf("rune hex: %04x", r)
len += it.assignASCIICodedRune(len, r)
t.Logf("bytes: %v", hex.EncodeToString(b))
}
append('您')
append('好')
append('世')
append('界')
it[len] = '!'
len++
b = b[:len]
so(string(b), eq, "您好世界!")
}
func testIterChrSearching(t *testing.T) {
raw := []byte(" { [ { } ] } ")
t.Log("")
t.Log(string(raw))
t.Logf("01234567890123456789")
it := iter(raw)
offset, reachEnd := it.skipBlanks(0)
t.Logf("offset %d, reachEnd %v", offset, reachEnd)
so(offset, notZero)
so(reachEnd, isFalse)
so(raw[offset], eq, '{')
offset, reachEnd = it.skipBlanks(offset + 1)
t.Logf("offset %d, reachEnd %v", offset, reachEnd)
so(offset, notZero)
so(reachEnd, isFalse)
so(raw[offset], eq, '[')
offset, reachEnd = it.skipBlanks(offset + 1)
t.Logf("offset %d, reachEnd %v", offset, reachEnd)
so(offset, notZero)
so(reachEnd, isFalse)
so(raw[offset], eq, '{')
offset, reachEnd = it.skipBlanks(offset + 1)
t.Logf("offset %d, reachEnd %v", offset, reachEnd)
so(offset, notZero)
so(reachEnd, isFalse)
so(raw[offset], eq, '}')
}
func testIterParseNumber(t *testing.T) {
b := []byte("-12345.6789 ")
cv("reachEnd == true", func() {
it := iter(b[:11])
v, end, reachEnd, err := it.parseNumber(globalPool{}, 0)
t.Logf("i64 = %v, u64 = %v, f64 = %v", v.num.i64, v.num.u64, v.num.f64)
t.Logf("end = %d, reachEnd = %v", end, reachEnd)
t.Log(string(b[:end]))
so(err, isNil)
so(v.num.f64, eq, -12345.6789)
so(reachEnd, isTrue)
})
cv("reachEnd == false", func() {
it := iter(b)
v, end, reachEnd, err := it.parseNumber(globalPool{}, 0)
so(err, isNil)
so(v.num.f64, eq, -12345.6789)
so(reachEnd, isFalse)
t.Logf("i64 = %v, u64 = %v, f64 = %v", v.num.i64, v.num.u64, v.num.f64)
t.Logf("end = %d, reachEnd = %v", end, reachEnd)
t.Log(string(b[:end]))
})
}
// ================ iter float ================
func testIterFloat(t *testing.T) {
cv("other parseResult conditions", func() { testUnmarshalFloatErrors(t) })
cv("https://github.com/Andrew-M-C/go.jsonvalue/issues/8", func() { testIssue8(t) })
}
func testUnmarshalFloatErrors(*testing.T) {
cv("overflow", func() {
_, err := UnmarshalString(`-9223372036854775809`)
so(err, isErr)
_, err = UnmarshalString(`18446744073709551616`)
so(err, isErr)
_, err = UnmarshalString(`-9999999999999999999`)
so(err, isErr)
_, err = UnmarshalString(`9999999999999999999999999999999999999999999999999999999999999999999`)
so(err, isErr)
_, err = UnmarshalString(`99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999.9999999999999999999999999999999999999999999999999999999999999999999`)
so(err, isErr)
})
cv("stateStart", func() {
it := &iter{'E'}
_, _, _, err := it.parseNumber(globalPool{}, 0)
so(err, isErr)
})
cv("stateLeadingZero", func() {
v, err := UnmarshalString(`0`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 0)
_, err = UnmarshalString(`01`)
so(err, isErr)
_, err = UnmarshalString(`00`)
so(err, isErr)
_, err = UnmarshalString(`+1`)
so(err, isErr)
_, err = UnmarshalString(`-00`)
so(err, isErr)
v, err = UnmarshalString(`0.0`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 0)
so(v.IsFloat(), isTrue)
v, err = UnmarshalString(`0.10`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 0)
so(v.IsFloat(), isTrue)
so(v.Float64(), eq, 0.1)
v, err = UnmarshalString(`0E0`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 0)
so(v.IsFloat(), isTrue)
})
cv("stateLeadingDigit", func() {
v, err := UnmarshalString(`1`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 1)
v, err = UnmarshalString(`1E1`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 10)
so(v.IsFloat(), isTrue)
v, err = UnmarshalString(`1E+1`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 10)
so(v.IsFloat(), isTrue)
_, err = UnmarshalString(`1Ee`)
so(err, isErr)
_, err = UnmarshalString(`1-`)
so(err, isErr)
})
cv("stateLeadingNegative", func() {
v, err := UnmarshalString(`-1`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, -1)
_, err = UnmarshalString(`-`)
so(err, isErr)
_, err = UnmarshalString(`-.`)
so(err, isErr)
v, err = UnmarshalString(`-0.25`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Float64(), eq, -0.25)
})
cv("stateIntegerDigit", func() {
v, err := UnmarshalString(`10E-1`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Int(), eq, 1)
so(v.IsFloat(), isTrue)
_, err = UnmarshalString(`10-`)
so(err, isErr)
})
cv("stateExponent", func() {
_, err := UnmarshalString(`1E`)
so(err, isErr)
_, err = UnmarshalString(`1E+`)
so(err, isErr)
_, err = UnmarshalString(`1e-`)
so(err, isErr)
})
cv("stateExponentSign", func() {
_, err := UnmarshalString(`1E--`)
so(err, isErr)
})
cv("stateFractionDigit", func() {
_, err := UnmarshalString(`1.1+`)
so(err, isErr)
})
cv("stateExponentDigit", func() {
v, err := UnmarshalString(`-1e15`)
so(err, isNil)
so(v, notNil)
so(v.IsNumber(), isTrue)
so(v.Float64(), eq, -1e15)
_, err = UnmarshalString(`1e2e`)
so(err, isErr)
})
}
func testIssue8(*testing.T) {
strJson := []byte(`{"tunnels":[{"name":"command_line","uri":"/api/tunnels/command_line","public_url":"https://11111.ngrok.io","proto":"https","config":{"addr":"http://localhost:11111","inspect":true},"metrics":{"conns":{"count":1,"gauge":0,"rate1":5.456067032277228e-19,"rate5":0.0000016821504265361616,"rate15":0.00008846097772300972,"p50":8287268034,"p90":8287268034,"p95":8287268034,"p99":8287268034},"http":{"count":5,"rate1":2.5535363027836646e-18,"rate5":0.000008299538128664852,"rate15":0.0004403445395661658,"p50":427625,"p90":600127,"p95":600127,"p99":600127}}},{"name":"command_line (http)","uri":"/api/tunnels/command_line%20%28http%29","public_url":"http://11111.ngrok.io","proto":"http","config":{"addr":"http://localhost:11111","inspect":true},"metrics":{"conns":{"count":0,"gauge":0,"rate1":0,"rate5":0,"rate15":0,"p50":0,"p90":0,"p95":0,"p99":0},"http":{"count":0,"rate1":0,"rate5":0,"rate15":0,"p50":0,"p90":0,"p95":0,"p99":0}}}],"uri":"/api/tunnels"}`)
j, err := Unmarshal(strJson)
so(err, isNil)
bb, _ := j.GetString("tunnels", 0, "proto")
so(bb, eq, "https")
cc, _ := j.GetString("tunnels", 0, "public_url")
so(cc, eq, "https://11111.ngrok.io")
v, err := j.Get("tunnels", 0, "metrics", "conns", "rate1")
so(err, isNil)
so(v.IsFloat(), isTrue)
so(v.String(), eq, "5.456067032277228e-19")
}