tools/src/utils/hash_test.go

// Copyright 2022 The Dawn & Tint Authors
//
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//    this list of conditions and the following disclaimer in the documentation
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package utils_test

import (
	"dawn.googlesource.com/dawn/tools/src/utils"
	"testing"
)

func TestHash(t *testing.T) {
	type Test struct {
		a, b        []any
		expectEqual bool
	}
	for _, test := range []Test{
		{a: []any{1}, b: []any{1}, expectEqual: true},
		{a: []any{1}, b: []any{2}, expectEqual: false},
		{a: []any{1}, b: []any{1.0}, expectEqual: false},
		{a: []any{1.0}, b: []any{1.0}, expectEqual: true},
		{a: []any{'x'}, b: []any{'x'}, expectEqual: true},
		{a: []any{'x'}, b: []any{'y'}, expectEqual: false},
		{a: []any{1, 2}, b: []any{1, 2}, expectEqual: true},
		{a: []any{1, 2}, b: []any{1}, expectEqual: false},
		{a: []any{1, 2}, b: []any{1, 3}, expectEqual: false},
	} {
		hashA := utils.Hash(test.a...)
		hashB := utils.Hash(test.b...)
		equal := hashA == hashB
		if equal != test.expectEqual {
			t.Errorf("Hash(%v): %v\nHash(%v): %v", test.a, hashA, test.b, hashB)
		}
	}
}