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61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package eval_test
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import (
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"testing"
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. "github.com/elves/elvish/pkg/eval/evaltest"
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)
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func TestBool(t *testing.T) {
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Test(t,
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That(`bool $true`).Puts(true),
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That(`bool a`).Puts(true),
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That(`bool [a]`).Puts(true),
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// "Empty" values are also true in Elvish
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That(`bool []`).Puts(true),
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That(`bool [&]`).Puts(true),
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That(`bool 0`).Puts(true),
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That(`bool ""`).Puts(true),
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// Only errors and $false are false
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That(`bool ?(fail x)`).Puts(false),
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That(`bool $false`).Puts(false),
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)
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}
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func TestNot(t *testing.T) {
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Test(t,
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That(`not $false`).Puts(true),
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That(`not ?(fail x)`).Puts(true),
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That(`not $true`).Puts(false),
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That(`not 0`).Puts(false),
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)
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}
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func TestIs(t *testing.T) {
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Test(t,
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That(`is 1 1`).Puts(true),
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That(`is a b`).Puts(false),
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That(`is [] []`).Puts(true),
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That(`is [1] [1]`).Puts(false),
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)
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}
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func TestEq(t *testing.T) {
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Test(t,
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That(`eq 1 1`).Puts(true),
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That(`eq a b`).Puts(false),
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That(`eq [] []`).Puts(true),
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That(`eq [1] [1]`).Puts(true),
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That(`eq 1 1 2`).Puts(false),
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)
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}
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func TestNotEq(t *testing.T) {
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Test(t,
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That(`not-eq a b`).Puts(true),
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That(`not-eq a a`).Puts(false),
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// not-eq is true as long as each adjacent pair is not equal.
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That(`not-eq 1 2 1`).Puts(true),
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)
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}
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