go-json/cover_uint_test.go

package json_test

import (
	"bytes"
	"strings"
	"testing"

	"github.com/goccy/go-json"
)

func TestCoverUint(t *testing.T) {
	type structUint struct {
		A uint `json:"a"`
	}
	type structUintPtr struct {
		A *uint `json:"a"`
	}

	tests := []struct {
		name           string
		expected       string
		indentExpected string
		data           interface{}
	}{
		{
			name:     "HeadUintZero",
			expected: `{"a":0}`,
			indentExpected: `
{
  "a": 0
}
`,
			data: struct {
				A uint `json:"a"`
			}{},
		},
		{
			name:     "HeadUint",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				A uint `json:"a"`
			}{A: 1},
		},
		{
			name:     "HeadUintPtr",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				A *uint `json:"a"`
			}{A: uptr(1)},
		},
		{
			name:     "HeadUintPtrNil",
			expected: `{"a":null}`,
			indentExpected: `
{
  "a": null
}
`,
			data: struct {
				A *uint `json:"a"`
			}{A: nil},
		},
		{
			name:     "PtrHeadUintZero",
			expected: `{"a":0}`,
			indentExpected: `
{
  "a": 0
}
`,
			data: &struct {
				A uint `json:"a"`
			}{},
		},
		{
			name:     "PtrHeadUint",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: &struct {
				A uint `json:"a"`
			}{A: 1},
		},
		{
			name:     "PtrHeadUintPtr",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: &struct {
				A *uint `json:"a"`
			}{A: uptr(1)},
		},
		{
			name:     "PtrHeadUintPtrNil",
			expected: `{"a":null}`,
			indentExpected: `
{
  "a": null
}
`,
			data: &struct {
				A *uint `json:"a"`
			}{A: nil},
		},
		{
			name:     "PtrHeadUintNil",
			expected: `null`,
			indentExpected: `
null
`,
			data: (*struct {
				A *uint `json:"a"`
			})(nil),
		},
		{
			name:     "HeadUintZeroMultiFields",
			expected: `{"a":0,"b":0}`,
			indentExpected: `
{
  "a": 0,
  "b": 0
}
`,
			data: struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{},
		},
		{
			name:     "HeadUintMultiFields",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{A: 1, B: 2},
		},
		{
			name:     "HeadUintPtrMultiFields",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: uptr(1), B: uptr(2)},
		},
		{
			name:     "HeadUintPtrNilMultiFields",
			expected: `{"a":null,"b":null}`,
			indentExpected: `
{
  "a": null,
  "b": null
}
`,
			data: struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: nil, B: nil},
		},
		{
			name:     "PtrHeadUintZeroMultiFields",
			expected: `{"a":0,"b":0}`,
			indentExpected: `
{
  "a": 0,
  "b": 0
}
`,
			data: &struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{},
		},
		{
			name:     "PtrHeadUintMultiFields",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: &struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{A: 1, B: 2},
		},
		{
			name:     "PtrHeadUintPtrMultiFields",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: &struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: uptr(1), B: uptr(2)},
		},
		{
			name:     "PtrHeadUintPtrNilMultiFields",
			expected: `{"a":null,"b":null}`,
			indentExpected: `
{
  "a": null,
  "b": null
}
`,
			data: &struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: nil, B: nil},
		},
		{
			name:     "PtrHeadUintNilMultiFields",
			expected: `null`,
			indentExpected: `
null
`,
			data: (*struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			})(nil),
		},
		{
			name:     "HeadUintZeroNotRoot",
			expected: `{"A":{"a":0}}`,
			indentExpected: `
{
  "A": {
    "a": 0
  }
}
`,
			data: struct {
				A struct {
					A uint `json:"a"`
				}
			}{},
		},
		{
			name:     "HeadUintNotRoot",
			expected: `{"A":{"a":1}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  }
}
`,
			data: struct {
				A struct {
					A uint `json:"a"`
				}
			}{A: struct {
				A uint `json:"a"`
			}{A: 1}},
		},
		{
			name:     "HeadUintPtrNotRoot",
			expected: `{"A":{"a":1}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  }
}
`,
			data: struct {
				A struct {
					A *uint `json:"a"`
				}
			}{A: struct {
				A *uint `json:"a"`
			}{uptr(1)}},
		},
		{
			name:     "HeadUintPtrNilNotRoot",
			expected: `{"A":{"a":null}}`,
			indentExpected: `
{
  "A": {
    "a": null
  }
}
`,
			data: struct {
				A struct {
					A *uint `json:"a"`
				}
			}{},
		},
		{
			name:     "PtrHeadUintZeroNotRoot",
			expected: `{"A":{"a":0}}`,
			indentExpected: `
{
  "A": {
    "a": 0
  }
}
`,
			data: struct {
				A *struct {
					A uint `json:"a"`
				}
			}{A: new(struct {
				A uint `json:"a"`
			})},
		},
		{
			name:     "PtrHeadUintNotRoot",
			expected: `{"A":{"a":1}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  }
}
`,
			data: struct {
				A *struct {
					A uint `json:"a"`
				}
			}{A: &(struct {
				A uint `json:"a"`
			}{A: 1})},
		},
		{
			name:     "PtrHeadUintPtrNotRoot",
			expected: `{"A":{"a":1}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  }
}
`,
			data: struct {
				A *struct {
					A *uint `json:"a"`
				}
			}{A: &(struct {
				A *uint `json:"a"`
			}{A: uptr(1)})},
		},
		{
			name:     "PtrHeadUintPtrNilNotRoot",
			expected: `{"A":{"a":null}}`,
			indentExpected: `
{
  "A": {
    "a": null
  }
}
`,
			data: struct {
				A *struct {
					A *uint `json:"a"`
				}
			}{A: &(struct {
				A *uint `json:"a"`
			}{A: nil})},
		},
		{
			name:     "PtrHeadUintNilNotRoot",
			expected: `{"A":null}`,
			indentExpected: `
{
  "A": null
}
`,
			data: struct {
				A *struct {
					A *uint `json:"a"`
				}
			}{A: nil},
		},
		{
			name:     "HeadUintZeroMultiFieldsNotRoot",
			expected: `{"A":{"a":0},"B":{"b":0}}`,
			indentExpected: `
{
  "A": {
    "a": 0
  },
  "B": {
    "b": 0
  }
}
`,
			data: struct {
				A struct {
					A uint `json:"a"`
				}
				B struct {
					B uint `json:"b"`
				}
			}{},
		},
		{
			name:     "HeadUintMultiFieldsNotRoot",
			expected: `{"A":{"a":1},"B":{"b":2}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  },
  "B": {
    "b": 2
  }
}
`,
			data: struct {
				A struct {
					A uint `json:"a"`
				}
				B struct {
					B uint `json:"b"`
				}
			}{A: struct {
				A uint `json:"a"`
			}{A: 1}, B: struct {
				B uint `json:"b"`
			}{B: 2}},
		},
		{
			name:     "HeadUintPtrMultiFieldsNotRoot",
			expected: `{"A":{"a":1},"B":{"b":2}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  },
  "B": {
    "b": 2
  }
}
`,
			data: struct {
				A struct {
					A *uint `json:"a"`
				}
				B struct {
					B *uint `json:"b"`
				}
			}{A: struct {
				A *uint `json:"a"`
			}{A: uptr(1)}, B: struct {
				B *uint `json:"b"`
			}{B: uptr(2)}},
		},
		{
			name:     "HeadUintPtrNilMultiFieldsNotRoot",
			expected: `{"A":{"a":null},"B":{"b":null}}`,
			indentExpected: `
{
  "A": {
    "a": null
  },
  "B": {
    "b": null
  }
}
`,
			data: struct {
				A struct {
					A *uint `json:"a"`
				}
				B struct {
					B *uint `json:"b"`
				}
			}{A: struct {
				A *uint `json:"a"`
			}{A: nil}, B: struct {
				B *uint `json:"b"`
			}{B: nil}},
		},
		{
			name:     "PtrHeadUintZeroMultiFieldsNotRoot",
			expected: `{"A":{"a":0},"B":{"b":0}}`,
			indentExpected: `
{
  "A": {
    "a": 0
  },
  "B": {
    "b": 0
  }
}
`,
			data: &struct {
				A struct {
					A uint `json:"a"`
				}
				B struct {
					B uint `json:"b"`
				}
			}{},
		},
		{
			name:     "PtrHeadUintMultiFieldsNotRoot",
			expected: `{"A":{"a":1},"B":{"b":2}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  },
  "B": {
    "b": 2
  }
}
`,
			data: &struct {
				A struct {
					A uint `json:"a"`
				}
				B struct {
					B uint `json:"b"`
				}
			}{A: struct {
				A uint `json:"a"`
			}{A: 1}, B: struct {
				B uint `json:"b"`
			}{B: 2}},
		},
		{
			name:     "PtrHeadUintPtrMultiFieldsNotRoot",
			expected: `{"A":{"a":1},"B":{"b":2}}`,
			indentExpected: `
{
  "A": {
    "a": 1
  },
  "B": {
    "b": 2
  }
}
`,
			data: &struct {
				A *struct {
					A *uint `json:"a"`
				}
				B *struct {
					B *uint `json:"b"`
				}
			}{A: &(struct {
				A *uint `json:"a"`
			}{A: uptr(1)}), B: &(struct {
				B *uint `json:"b"`
			}{B: uptr(2)})},
		},
		{
			name:     "PtrHeadUintPtrNilMultiFieldsNotRoot",
			expected: `{"A":null,"B":null}`,
			indentExpected: `
{
  "A": null,
  "B": null
}
`,
			data: &struct {
				A *struct {
					A *uint `json:"a"`
				}
				B *struct {
					B *uint `json:"b"`
				}
			}{A: nil, B: nil},
		},
		{
			name:     "PtrHeadUintNilMultiFieldsNotRoot",
			expected: `null`,
			indentExpected: `
null
`,
			data: (*struct {
				A *struct {
					A *uint `json:"a"`
				}
				B *struct {
					B *uint `json:"b"`
				}
			})(nil),
		},
		{
			name:     "PtrHeadUintDoubleMultiFieldsNotRoot",
			expected: `{"A":{"a":1,"b":2},"B":{"a":3,"b":4}}`,
			indentExpected: `
{
  "A": {
    "a": 1,
    "b": 2
  },
  "B": {
    "a": 3,
    "b": 4
  }
}
`,
			data: &struct {
				A *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
				B *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
			}{A: &(struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{A: 1, B: 2}), B: &(struct {
				A uint `json:"a"`
				B uint `json:"b"`
			}{A: 3, B: 4})},
		},
		{
			name:     "PtrHeadUintNilDoubleMultiFieldsNotRoot",
			expected: `{"A":null,"B":null}`,
			indentExpected: `
{
  "A": null,
  "B": null
}
`,
			data: &struct {
				A *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
				B *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
			}{A: nil, B: nil},
		},
		{
			name:     "PtrHeadUintNilDoubleMultiFieldsNotRoot",
			expected: `null`,
			indentExpected: `
null
`,
			data: (*struct {
				A *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
				B *struct {
					A uint `json:"a"`
					B uint `json:"b"`
				}
			})(nil),
		},
		{
			name:     "PtrHeadUintPtrDoubleMultiFieldsNotRoot",
			expected: `{"A":{"a":1,"b":2},"B":{"a":3,"b":4}}`,
			indentExpected: `
{
  "A": {
    "a": 1,
    "b": 2
  },
  "B": {
    "a": 3,
    "b": 4
  }
}
`,
			data: &struct {
				A *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
				B *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
			}{A: &(struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: uptr(1), B: uptr(2)}), B: &(struct {
				A *uint `json:"a"`
				B *uint `json:"b"`
			}{A: uptr(3), B: uptr(4)})},
		},
		{
			name:     "PtrHeadUintPtrNilDoubleMultiFieldsNotRoot",
			expected: `{"A":null,"B":null}`,
			indentExpected: `
{
  "A": null,
  "B": null
}
`,
			data: &struct {
				A *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
				B *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
			}{A: nil, B: nil},
		},
		{
			name:     "PtrHeadUintPtrNilDoubleMultiFieldsNotRoot",
			expected: `null`,
			indentExpected: `
null
`,
			data: (*struct {
				A *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
				B *struct {
					A *uint `json:"a"`
					B *uint `json:"b"`
				}
			})(nil),
		},
		{
			name:     "AnonymousHeadUint",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				structUint
				B uint `json:"b"`
			}{
				structUint: structUint{A: 1},
				B:          2,
			},
		},
		{
			name:     "PtrAnonymousHeadUint",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				*structUint
				B uint `json:"b"`
			}{
				structUint: &structUint{A: 1},
				B:          2,
			},
		},
		{
			name:     "NilPtrAnonymousHeadUint",
			expected: `{"b":2}`,
			indentExpected: `
{
  "b": 2
}
`,
			data: struct {
				*structUint
				B uint `json:"b"`
			}{
				structUint: nil,
				B:          2,
			},
		},
		{
			name:     "AnonymousHeadUintPtr",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				structUintPtr
				B *uint `json:"b"`
			}{
				structUintPtr: structUintPtr{A: uptr(1)},
				B:             uptr(2),
			},
		},
		{
			name:     "AnonymousHeadUintPtrNil",
			expected: `{"a":null,"b":2}`,
			indentExpected: `
{
  "a": null,
  "b": 2
}
`,
			data: struct {
				structUintPtr
				B *uint `json:"b"`
			}{
				structUintPtr: structUintPtr{A: nil},
				B:             uptr(2),
			},
		},
		{
			name:     "PtrAnonymousHeadUintPtr",
			expected: `{"a":1,"b":2}`,
			indentExpected: `
{
  "a": 1,
  "b": 2
}
`,
			data: struct {
				*structUintPtr
				B *uint `json:"b"`
			}{
				structUintPtr: &structUintPtr{A: uptr(1)},
				B:             uptr(2),
			},
		},
		{
			name:     "NilPtrAnonymousHeadUintPtr",
			expected: `{"b":2}`,
			indentExpected: `
{
  "b": 2
}
`,
			data: struct {
				*structUintPtr
				B *uint `json:"b"`
			}{
				structUintPtr: nil,
				B:             uptr(2),
			},
		},
		{
			name:     "AnonymousHeadUintOnly",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				structUint
			}{
				structUint: structUint{A: 1},
			},
		},
		{
			name:     "PtrAnonymousHeadUintOnly",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				*structUint
			}{
				structUint: &structUint{A: 1},
			},
		},
		{
			name:     "NilPtrAnonymousHeadUintOnly",
			expected: `{}`,
			indentExpected: `
{}
`,
			data: struct {
				*structUint
			}{
				structUint: nil,
			},
		},
		{
			name:     "AnonymousHeadUintPtrOnly",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				structUintPtr
			}{
				structUintPtr: structUintPtr{A: uptr(1)},
			},
		},
		{
			name:     "AnonymousHeadUintPtrNilOnly",
			expected: `{"a":null}`,
			indentExpected: `
{
  "a": null
}
`,
			data: struct {
				structUintPtr
			}{
				structUintPtr: structUintPtr{A: nil},
			},
		},
		{
			name:     "PtrAnonymousHeadUintPtrOnly",
			expected: `{"a":1}`,
			indentExpected: `
{
  "a": 1
}
`,
			data: struct {
				*structUintPtr
			}{
				structUintPtr: &structUintPtr{A: uptr(1)},
			},
		},
		{
			name:     "NilPtrAnonymousHeadUintPtrOnly",
			expected: `{}`,
			indentExpected: `
{}
`,
			data: struct {
				*structUintPtr
			}{
				structUintPtr: nil,
			},
		},
	}
	for _, test := range tests {
		for _, indent := range []bool{true, false} {
			for _, htmlEscape := range []bool{true, false} {
				var buf bytes.Buffer
				enc := json.NewEncoder(&buf)
				enc.SetEscapeHTML(htmlEscape)
				if indent {
					enc.SetIndent("", "  ")
				}
				if err := enc.Encode(test.data); err != nil {
					t.Fatalf("%s(htmlEscape:%T): %s: %s", test.name, htmlEscape, test.expected, err)
				}
				if indent {
					got := "\n" + buf.String()
					if got != test.indentExpected {
						t.Fatalf("%s(htmlEscape:%T): expected %q but got %q", test.name, htmlEscape, test.indentExpected, got)
					}
				} else {
					if strings.TrimRight(buf.String(), "\n") != test.expected {
						t.Fatalf("%s(htmlEscape:%T): expected %q but got %q", test.name, htmlEscape, test.expected, buf.String())
					}
				}
			}
		}
	}
}