| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.compose.ui.text.android.style |
| |
| import android.graphics.Typeface |
| import android.graphics.fonts.FontStyle |
| import android.text.TextPaint |
| import androidx.test.filters.SdkSuppress |
| import androidx.test.filters.SmallTest |
| import androidx.compose.ui.text.android.InternalPlatformTextApi |
| import com.google.common.truth.Truth.assertThat |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @OptIn(InternalPlatformTextApi::class) |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class FontWeightStyleSpanTest { |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withFontWeightBold() { |
| val textPaint = TextPaint() |
| val weight = FontStyle.FONT_WEIGHT_BOLD |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.weight).isEqualTo(weight) |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withFontWeightLight() { |
| val textPaint = TextPaint() |
| val weight = FontStyle.FONT_WEIGHT_LIGHT |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.weight).isEqualTo(weight) |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withFontWeightBoldToNormal() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.create(null, FontStyle.FONT_WEIGHT_BOLD, false) |
| } |
| val weight = FontStyle.FONT_WEIGHT_NORMAL |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface.isBold).isFalse() |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withFontWeightNull() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.create(null, FontStyle.FONT_WEIGHT_BOLD, true) |
| } |
| val span = FontWeightStyleSpan(0, FontWeightStyleSpan.STYLE_NORMAL) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface.weight).isEqualTo(FontStyle.FONT_WEIGHT_BOLD) |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withItalic() { |
| val textPaint = TextPaint() |
| val span = FontWeightStyleSpan(0, FontWeightStyleSpan.STYLE_ITALIC) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.isItalic).isTrue() |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_withItalicNull() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.create(null, FontStyle.FONT_WEIGHT_BOLD, true) |
| } |
| val span = FontWeightStyleSpan( |
| weight = FontStyle.FONT_WEIGHT_NORMAL, |
| style = FontWeightStyleSpan.STYLE_NONE) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface.isItalic).isTrue() |
| } |
| |
| @Test |
| @SdkSuppress(minSdkVersion = 28) |
| fun updatePaint_noChange() { |
| val typeface = Typeface.create(null, FontStyle.FONT_WEIGHT_BOLD, true) |
| val textPaint = TextPaint().apply { this.typeface = typeface } |
| val span = FontWeightStyleSpan(FontStyle.FONT_WEIGHT_BOLD, FontWeightStyleSpan.STYLE_ITALIC) |
| span.updatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isSameInstanceAs(typeface) |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withFontWeightBold() { |
| val textPaint = TextPaint() |
| val weight = FontStyle.FONT_WEIGHT_BOLD |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.isBold).isTrue() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withFontWeightLight() { |
| val textPaint = TextPaint() |
| val weight = FontStyle.FONT_WEIGHT_LIGHT |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.isBold).isFalse() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withFontWeightBoldToNormal() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.defaultFromStyle(Typeface.BOLD) |
| } |
| val weight = FontStyle.FONT_WEIGHT_NORMAL |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface.isBold).isFalse() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withFontWeightNull() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.defaultFromStyle(Typeface.BOLD_ITALIC) |
| } |
| val span = FontWeightStyleSpan(0, FontWeightStyleSpan.STYLE_NORMAL) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface.isBold).isTrue() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withItalic() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.defaultFromStyle(Typeface.BOLD) |
| } |
| val weight = FontStyle.FONT_WEIGHT_NORMAL |
| val span = FontWeightStyleSpan(weight, FontWeightStyleSpan.STYLE_NONE) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.isBold).isFalse() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_withItalicNull() { |
| val textPaint = TextPaint().apply { |
| typeface = Typeface.defaultFromStyle(Typeface.BOLD_ITALIC) |
| } |
| val span = FontWeightStyleSpan(0, FontWeightStyleSpan.STYLE_NORMAL) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isNotNull() |
| assertThat(textPaint.typeface.isItalic).isFalse() |
| } |
| |
| @Test |
| @SdkSuppress(maxSdkVersion = 27) |
| fun legacyUpdatePaint_noChange() { |
| val typeface = Typeface.defaultFromStyle(Typeface.BOLD_ITALIC) |
| val textPaint = TextPaint().apply { this.typeface = typeface } |
| val span = FontWeightStyleSpan( |
| weight = FontStyle.FONT_WEIGHT_BOLD, |
| style = FontWeightStyleSpan.STYLE_ITALIC |
| ) |
| span.legacyUpdatePaint(textPaint) |
| |
| assertThat(textPaint.typeface).isSameInstanceAs(typeface) |
| } |
| } |