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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/ash/input_method/completion_suggestion_label_view.h"
#include <stddef.h>
#include <string>
#include "chrome/browser/ui/ash/input_method/colors.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/views/controls/label.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/view_utils.h"
namespace ui {
namespace ime {
namespace {
// Returns the child of `view` at `index` as a views::Label.
views::Label* LabelAt(const views::View& view, size_t index) {
views::View* const child = view.children()[index];
EXPECT_TRUE(views::IsViewClass<views::Label>(child));
return static_cast<views::Label*>(child);
}
class CompletionSuggestionLabelViewTest : public views::ViewsTestBase {
public:
CompletionSuggestionLabelViewTest() = default;
};
TEST_F(CompletionSuggestionLabelViewTest, EmptyPrefixHasCorrectText) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"", u"good");
EXPECT_EQ(label.GetText(), u"good");
}
TEST_F(CompletionSuggestionLabelViewTest, NonEmptyPrefixHasCorrectText) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"how a", u"re you");
EXPECT_EQ(label.GetText(), u"how are you");
}
TEST_F(CompletionSuggestionLabelViewTest,
ChildHasCorrectTextWhenPrefixIsEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"", u"good");
ASSERT_EQ(label.children().size(), 1u);
EXPECT_EQ(LabelAt(label, 0)->GetText(), u"good");
}
TEST_F(CompletionSuggestionLabelViewTest,
ChildUsesSecondaryColorWhenPrefixIsEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"", u"good");
ASSERT_EQ(label.children().size(), 1u);
EXPECT_EQ(LabelAt(label, 0)->GetEnabledColor(),
ResolveSemanticColor(cros_styles::ColorName::kTextColorSecondary));
}
TEST_F(CompletionSuggestionLabelViewTest,
ChildrenHaveCorrectTextWhenPrefixIsNotEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"how a", u"re you");
ASSERT_EQ(label.children().size(), 2u);
EXPECT_EQ(LabelAt(label, 0)->GetText(), u"how a");
EXPECT_EQ(LabelAt(label, 1)->GetText(), u"re you");
}
TEST_F(CompletionSuggestionLabelViewTest,
ChildrenUsePrimaryAndSecondaryColorsWhenPrefixIsNotEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"how a", u"re you");
ASSERT_EQ(label.children().size(), 2u);
EXPECT_EQ(LabelAt(label, 0)->GetEnabledColor(),
ResolveSemanticColor(cros_styles::ColorName::kTextColorPrimary));
EXPECT_EQ(LabelAt(label, 1)->GetEnabledColor(),
ResolveSemanticColor(cros_styles::ColorName::kTextColorSecondary));
}
TEST_F(CompletionSuggestionLabelViewTest, PrefixWidthIsZeroWhenPrefixIsEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"", u"good");
EXPECT_EQ(label.GetPrefixWidthPx(), 0);
}
TEST_F(CompletionSuggestionLabelViewTest,
PrefixWidthIsWidthOfFirstChildWhenPrefixIsNotEmpty) {
CompletionSuggestionLabelView label;
label.SetPrefixAndPrediction(u"how a", u"re you");
ASSERT_FALSE(label.children().empty());
EXPECT_EQ(label.GetPrefixWidthPx(), LabelAt(label, 0)->width());
}
} // namespace
} // namespace ime
} // namespace ui
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