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package generic |
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3
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import ( |
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4
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"testing" |
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6
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"github.com/stretchr/testify/assert" |
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7
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) |
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8
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9
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func TestNewNumber(t *testing.T) { |
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tests := []struct { |
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name string |
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value interface{} |
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expected Number |
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}{ |
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{"uint", uint(123), Number{int: 123, float: 123, isInt: true}}, |
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{"uint8", uint8(123), Number{int: 123, float: 123, isInt: true}}, |
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{"uint16", uint16(123), Number{int: 123, float: 123, isInt: true}}, |
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{"uint32", uint32(123), Number{int: 123, float: 123, isInt: true}}, |
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{"uint64", uint64(123), Number{int: 123, float: 123, isInt: true}}, |
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{"int", 123, Number{int: 123, float: 123, isInt: true}}, |
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{"int8", int8(123), Number{int: 123, float: 123, isInt: true}}, |
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{"int16", int16(123), Number{int: 123, float: 123, isInt: true}}, |
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{"int32", int32(123), Number{int: 123, float: 123, isInt: true}}, |
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{"int64", int64(123), Number{int: 123, float: 123, isInt: true}}, |
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{"float32 as int", float32(123), Number{int: 123, float: 123, isInt: true}}, |
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{"float64 as int", float64(123), Number{int: 123, float: 123, isInt: true}}, |
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{"float32", float32(123.123), Number{int: 123, float: 123.12300109863281, isInt: false}}, |
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{"float64", float64(123.123), Number{int: 123, float: 123.123, isInt: false}}, |
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{"uint pointer", uintPointer(123), Number{int: 123, float: 123, isInt: true}}, |
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{"int pointer", intPointer(123), Number{int: 123, float: 123, isInt: true}}, |
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{"float64 pointer", floatPointer(123.123), Number{int: 123, float: 123.123, isInt: false}}, |
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{"nil uint pointer", nilUint, Number{isNil: true}}, |
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{"nil int pointer", nilInt, Number{isNil: true}}, |
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{"nil float64 pointer", nilFloat, Number{isNil: true}}, |
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} |
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for _, test := range tests { |
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t.Run(test.name, func(t *testing.T) { |
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n, err := NewNumber(test.value) |
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assert.NoError(t, err) |
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if assert.NotNil(t, n) { |
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assert.Equal(t, test.expected, *n) |
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} |
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}) |
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} |
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} |
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func TestNewNumberFromInt(t *testing.T) { |
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n := NewNumberFromInt(1) |
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51
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assert.Equal(t, int64(1), n.int) |
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assert.Equal(t, float64(1), n.float) |
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assert.True(t, n.isInt) |
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} |
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func TestNewNumberFromFloat(t *testing.T) { |
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n := NewNumberFromFloat(1.5) |
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assert.Equal(t, int64(1), n.int) |
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assert.Equal(t, 1.5, n.float) |
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assert.False(t, n.isInt) |
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} |
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64
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func TestNumber_String_WhenNumberFromInt_ExpectInt(t *testing.T) { |
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n := NewNumberFromInt(123) |
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s := n.String() |
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assert.Equal(t, "123", s) |
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} |
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func TestNumber_String_WhenNumberFromFloat_ExpectFloat(t *testing.T) { |
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n := NewNumberFromFloat(123.123) |
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75
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s := n.String() |
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assert.Equal(t, "123.123", s) |
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} |
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80
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func TestNewNumber_WhenNotNumeric_ExpectError(t *testing.T) { |
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n, err := NewNumber(struct{}{}) |
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83
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assert.Nil(t, n) |
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assert.EqualError(t, err, "value of type struct is not numeric") |
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} |
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86
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87
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func TestMustNewNumber_WhenNotNumeric_ExpectPanic(t *testing.T) { |
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assert.Panics(t, func() { |
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MustNewNumber(struct{}{}) |
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}) |
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} |
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93
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func TestNumber_IsNil_WhenIsNil_ExpectTrue(t *testing.T) { |
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n := MustNewNumber(nilInt) |
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96
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assert.True(t, n.IsNil()) |
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97
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} |
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98
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99
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func TestNumber_IsZero(t *testing.T) { |
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tests := []struct { |
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101
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name string |
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102
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n Number |
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isZero bool |
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}{ |
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{"nil value is not zero", MustNewNumber(nilInt), false}, |
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{"zero int is zero", MustNewNumber(0), true}, |
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107
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{"zero float is zero", MustNewNumber(0.0), true}, |
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108
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{"float less than 1.0 is not zero", MustNewNumber(0.0123), false}, |
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} |
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for _, test := range tests { |
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111
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t.Run(test.name, func(t *testing.T) { |
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isZero := test.n.IsZero() |
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113
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114
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assert.Equal(t, test.isZero, isZero) |
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}) |
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116
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} |
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117
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} |
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118
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119
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func TestCompareNumbers(t *testing.T) { |
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120
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tests := []struct { |
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121
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name string |
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122
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result bool |
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123
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expected bool |
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124
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}{ |
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125
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{"int equal to int", MustNewNumber(123).IsEqualTo(MustNewNumber(123)), true}, |
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126
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{"int not equal to int", MustNewNumber(123).IsEqualTo(MustNewNumber(124)), false}, |
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127
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{"nil not equal to any", MustNewNumber(nilInt).IsEqualTo(MustNewNumber(123)), false}, |
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128
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{"any not equal to nil", MustNewNumber(123).IsEqualTo(MustNewNumber(nilInt)), false}, |
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129
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{"float equal to float", MustNewNumber(123.123).IsEqualTo(MustNewNumber(123.123)), true}, |
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130
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{"float not equal to float", MustNewNumber(123.123).IsEqualTo(MustNewNumber(123.124)), false}, |
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131
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{"float equal to int", MustNewNumber(floatPointer(123)).IsEqualTo(MustNewNumber(123)), true}, |
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132
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{"int greater than int", MustNewNumber(123).IsGreaterThan(MustNewNumber(122)), true}, |
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133
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{"int not greater than int", MustNewNumber(123).IsGreaterThan(MustNewNumber(123)), false}, |
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134
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{"nil not greater than any", MustNewNumber(nilInt).IsGreaterThan(MustNewNumber(123)), false}, |
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135
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{"any not greater than nil", MustNewNumber(123).IsGreaterThan(MustNewNumber(nilInt)), false}, |
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136
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{"float greater than float", MustNewNumber(123.123).IsGreaterThan(MustNewNumber(123.122)), true}, |
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137
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{"float not greater than float", MustNewNumber(123.123).IsGreaterThan(MustNewNumber(123.123)), false}, |
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138
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{"float greater than int", MustNewNumber(floatPointer(123.01)).IsGreaterThan(MustNewNumber(123)), true}, |
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139
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{"int less than int", MustNewNumber(123).IsLessThan(MustNewNumber(124)), true}, |
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140
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{"int not less than int", MustNewNumber(123).IsLessThan(MustNewNumber(123)), false}, |
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141
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{"nil not less than any", MustNewNumber(nilInt).IsLessThan(MustNewNumber(123)), false}, |
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142
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{"any not less than nil", MustNewNumber(123).IsLessThan(MustNewNumber(nilInt)), false}, |
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143
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{"float less than float", MustNewNumber(123.123).IsLessThan(MustNewNumber(123.124)), true}, |
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144
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{"float not less than float", MustNewNumber(123.123).IsLessThan(MustNewNumber(123.123)), false}, |
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145
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{"float less than int", MustNewNumber(floatPointer(122.99)).IsLessThan(MustNewNumber(123)), true}, |
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146
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} |
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147
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for _, test := range tests { |
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148
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t.Run(test.name, func(t *testing.T) { |
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149
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assert.Equal(t, test.expected, test.result) |
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150
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}) |
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151
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} |
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152
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} |
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153
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