Function TestGetObjectLen

len_uint_test.go:98–163

Verifies: SYS-REQ-112 (container length accessor). reqproof:proptest:skip targeted witness/regression test; not a property-test subject SYS-REQ-112:nominal:nominal SYS-REQ-112:boundary:nominal SYS-REQ-112:malformed_input:nominal SYS-REQ-112:malformed_input:negative

(t *testing.T)

// SYS-REQ-112:malformed_input:nominal
// SYS-REQ-112:malformed_input:negative
func TestGetObjectLen(t *testing.T) {
	tests := []struct {
		name    string
		data    string
		keys    []string
		want    int
		wantErr error
	}{
		{
			name: "empty object",
			data: `{}`,
			want: 0,
		},
		{
			name: "one key",
			data: `{"one":1}`,
			want: 1,
		},
		{
			name: "five keys",
			data: `{"one":1,"two":2,"three":3,"four":4,"five":5}`,
			want: 5,
		},
		{
			name: "nested object",
			data: `{"outer":{"one":1,"two":{"nested":true},"three":3}}`,
			keys: []string{"outer"},
			want: 3,
		},
		{
			name: "string values containing commas",
			data: `{"one":"a,b,c","two":"d,e","three":"no comma"}`,
			want: 3,
		},
		{
			name:    "addressed value is not an object",
			data:    `{"value":[]}`,
			keys:    []string{"value"},
			wantErr: KeyPathNotFoundError,
		},
		{
			name:    "missing path",
			data:    `{"value":{}}`,
			keys:    []string{"missing"},
			wantErr: KeyPathNotFoundError,
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			got, err := GetObjectLen([]byte(test.data), test.keys...)
			if test.wantErr != nil {
				if !errors.Is(err, test.wantErr) {
					t.Fatalf("GetObjectLen() error = %v, want %v", err, test.wantErr)
				}
				return
			}
			if err != nil {