88 lines
2.6 KiB
V
88 lines
2.6 KiB
V
import v.ast
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fn test_idx() {
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mut t := ast.new_type(ast.void_type_idx)
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assert t.idx() == ast.void_type_idx
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t = ast.new_type(ast.i8_type_idx)
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assert t.idx() == ast.i8_type_idx
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}
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fn test_muls() {
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mut t := ast.new_type(ast.void_type_idx)
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idx := t.idx()
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assert t.nr_muls() == 0
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for i in 0 .. 32 {
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t = t.set_nr_muls(i)
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assert t.nr_muls() == i
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}
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t = t.set_nr_muls(0)
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assert t.nr_muls() == 0
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assert t.is_ptr() == false
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t = t.ref()
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assert t.nr_muls() == 1
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assert t.is_ptr() == true
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t = t.ref()
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assert t.nr_muls() == 2
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assert t.is_ptr() == true
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t = t.deref()
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assert t.nr_muls() == 1
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assert t.is_ptr() == true
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t = t.deref()
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assert t.nr_muls() == 0
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assert t.is_ptr() == false
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assert t.idx() == idx
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}
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fn test_flags() {
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mut t := ast.new_type(ast.void_type_idx)
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idx := t.idx()
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nr_muls := t.nr_muls()
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t = t.set_flag(ast.TypeFlag.optional)
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assert t.has_flag(ast.TypeFlag.optional) == true
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assert t.has_flag(ast.TypeFlag.variadic) == false
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assert t.has_flag(ast.TypeFlag.generic) == false
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t = t.set_flag(ast.TypeFlag.variadic)
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assert t.has_flag(ast.TypeFlag.optional) == true
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assert t.has_flag(ast.TypeFlag.variadic) == true
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assert t.has_flag(ast.TypeFlag.generic) == false
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t = t.set_flag(ast.TypeFlag.generic)
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assert t.has_flag(ast.TypeFlag.optional) == true
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assert t.has_flag(ast.TypeFlag.variadic) == true
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assert t.has_flag(ast.TypeFlag.generic) == true
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assert t.idx() == idx
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assert t.nr_muls() == nr_muls
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t = t.clear_flag(ast.TypeFlag.optional)
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assert t.has_flag(ast.TypeFlag.optional) == false
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assert t.has_flag(ast.TypeFlag.variadic) == true
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assert t.has_flag(ast.TypeFlag.generic) == true
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t = t.clear_flag(ast.TypeFlag.variadic)
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assert t.has_flag(ast.TypeFlag.optional) == false
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assert t.has_flag(ast.TypeFlag.variadic) == false
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assert t.has_flag(ast.TypeFlag.generic) == true
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t = t.clear_flag(ast.TypeFlag.generic)
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assert t.has_flag(ast.TypeFlag.optional) == false
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assert t.has_flag(ast.TypeFlag.variadic) == false
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assert t.has_flag(ast.TypeFlag.generic) == false
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assert t.idx() == idx
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assert t.nr_muls() == nr_muls
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}
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fn test_derive() {
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mut t := ast.new_type(ast.i8_type_idx)
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t = t.set_flag(ast.TypeFlag.generic)
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t = t.set_flag(ast.TypeFlag.variadic)
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t = t.set_nr_muls(10)
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mut t2 := ast.new_type(ast.i16_type_idx)
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t2 = t2.derive(t)
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assert t2.has_flag(ast.TypeFlag.optional) == false
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assert t2.has_flag(ast.TypeFlag.variadic) == true
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assert t2.has_flag(ast.TypeFlag.generic) == true
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assert t2.nr_muls() == 10
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}
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fn test_flip_signedness() {
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assert ast.i8_type.flip_signedness() == ast.byte_type
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assert ast.u16_type.flip_signedness() == ast.i16_type
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assert ast.isize_type.flip_signedness() == ast.usize_type
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}
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